./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c26285c798d9eae93470e6619d316c691c81cc1a0579ebf111c5d2cbbd8c7126 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:59:44,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:59:44,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:59:44,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:59:44,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:59:44,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:59:44,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:59:44,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:59:44,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:59:44,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:59:44,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:59:44,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:59:44,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:59:44,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:59:44,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:59:44,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:59:44,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:59:44,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:59:44,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:59:44,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:59:44,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:59:44,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:59:44,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:59:44,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:59:44,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:59:44,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:59:44,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:59:44,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:59:44,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:59:44,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:59:44,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:59:44,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:59:44,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:59:44,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:59:44,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:59:44,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:59:44,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:59:44,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:59:44,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:59:44,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:59:44,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:59:44,840 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 18:59:44,857 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:59:44,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:59:44,857 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:59:44,858 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:59:44,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:59:44,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:59:44,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:59:44,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:59:44,859 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:59:44,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:59:44,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:59:44,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:59:44,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:59:44,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:59:44,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:59:44,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:59:44,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:59:44,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:59:44,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:59:44,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:59:44,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:59:44,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:59:44,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:59:44,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:59:44,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:59:44,861 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:59:44,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:59:44,861 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:59:44,862 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:59:44,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:59:44,862 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:59:44,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c26285c798d9eae93470e6619d316c691c81cc1a0579ebf111c5d2cbbd8c7126 [2021-12-06 18:59:45,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:59:45,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:59:45,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:59:45,054 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:59:45,054 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:59:45,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i [2021-12-06 18:59:45,096 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/data/9ef27654b/54fb42eb84944f90ba15d6b3d922cf57/FLAG0b835ca28 [2021-12-06 18:59:45,738 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:59:45,738 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i [2021-12-06 18:59:45,766 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/data/9ef27654b/54fb42eb84944f90ba15d6b3d922cf57/FLAG0b835ca28 [2021-12-06 18:59:46,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/data/9ef27654b/54fb42eb84944f90ba15d6b3d922cf57 [2021-12-06 18:59:46,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:59:46,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:59:46,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:59:46,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:59:46,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:59:46,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:59:46" (1/1) ... [2021-12-06 18:59:46,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259d8ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:59:46, skipping insertion in model container [2021-12-06 18:59:46,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:59:46" (1/1) ... [2021-12-06 18:59:46,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:59:46,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:59:48,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i[373388,373401] [2021-12-06 18:59:48,686 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i[373533,373546] [2021-12-06 18:59:48,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:59:48,725 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:59:48,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i[373388,373401] [2021-12-06 18:59:48,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i[373533,373546] [2021-12-06 18:59:48,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:59:49,079 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:59:49,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:59:49 WrapperNode [2021-12-06 18:59:49,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:59:49,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:59:49,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:59:49,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:59:49,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:59:49" (1/1) ... [2021-12-06 18:59:49,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:59:49" (1/1) ... [2021-12-06 18:59:49,253 INFO L137 Inliner]: procedures = 424, calls = 2434, calls flagged for inlining = 186, calls inlined = 170, statements flattened = 5552 [2021-12-06 18:59:49,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:59:49,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:59:49,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:59:49,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:59:49,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:59:49" (1/1) ... [2021-12-06 18:59:49,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:59:49" (1/1) ... [2021-12-06 18:59:49,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:59:49" (1/1) ... [2021-12-06 18:59:49,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:59:49" (1/1) ... [2021-12-06 18:59:49,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:59:49" (1/1) ... [2021-12-06 18:59:49,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:59:49" (1/1) ... [2021-12-06 18:59:49,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:59:49" (1/1) ... [2021-12-06 18:59:49,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:59:49,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:59:49,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:59:49,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:59:49,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:59:49" (1/1) ... [2021-12-06 18:59:49,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:59:49,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:59:49,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:59:49,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:59:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-06 18:59:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-06 18:59:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 18:59:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 18:59:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-06 18:59:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-06 18:59:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-06 18:59:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-06 18:59:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 18:59:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 18:59:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-06 18:59:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-06 18:59:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-06 18:59:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-06 18:59:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 18:59:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 18:59:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_start [2021-12-06 18:59:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_start [2021-12-06 18:59:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 18:59:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 18:59:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-06 18:59:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-06 18:59:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ace_load_jumbo_rx_ring [2021-12-06 18:59:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_load_jumbo_rx_ring [2021-12-06 18:59:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ace_load_std_rx_ring [2021-12-06 18:59:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_load_std_rx_ring [2021-12-06 18:59:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2021-12-06 18:59:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2021-12-06 18:59:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 18:59:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 18:59:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 18:59:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 18:59:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-06 18:59:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-06 18:59:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-06 18:59:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-06 18:59:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 18:59:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 18:59:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-06 18:59:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-06 18:59:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure ace_set_multicast_list [2021-12-06 18:59:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_set_multicast_list [2021-12-06 18:59:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure ace_set_txprd [2021-12-06 18:59:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_set_txprd [2021-12-06 18:59:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_check_ack [2021-12-06 18:59:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_check_ack [2021-12-06 18:59:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:59:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2021-12-06 18:59:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2021-12-06 18:59:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-06 18:59:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-06 18:59:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure ace_set_rxtx_parms [2021-12-06 18:59:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_set_rxtx_parms [2021-12-06 18:59:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 18:59:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 18:59:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom_byte [2021-12-06 18:59:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom_byte [2021-12-06 18:59:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 18:59:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 18:59:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 18:59:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 18:59:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 18:59:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 18:59:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure tx_space [2021-12-06 18:59:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_space [2021-12-06 18:59:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 18:59:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 18:59:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 18:59:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-06 18:59:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-06 18:59:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure set_aceaddr [2021-12-06 18:59:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure set_aceaddr [2021-12-06 18:59:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-06 18:59:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-06 18:59:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 18:59:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 18:59:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-06 18:59:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-06 18:59:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-06 18:59:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-06 18:59:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-06 18:59:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-06 18:59:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 18:59:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-06 18:59:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-06 18:59:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-12-06 18:59:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-12-06 18:59:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-06 18:59:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-06 18:59:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:59:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 18:59:49,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 18:59:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 18:59:49,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 18:59:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 18:59:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 18:59:49,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 18:59:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 18:59:49,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 18:59:49,573 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_prep [2021-12-06 18:59:49,573 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_prep [2021-12-06 18:59:49,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-06 18:59:49,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-06 18:59:49,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-06 18:59:49,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-06 18:59:49,573 INFO L130 BoogieDeclarations]: Found specification of procedure ace_issue_cmd [2021-12-06 18:59:49,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_issue_cmd [2021-12-06 18:59:49,574 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 18:59:49,574 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 18:59:49,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-06 18:59:49,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-06 18:59:49,574 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-06 18:59:49,574 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-06 18:59:49,574 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-06 18:59:49,574 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-06 18:59:49,575 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-06 18:59:49,575 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-06 18:59:49,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:59:49,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:59:49,575 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-06 18:59:49,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-06 18:59:49,575 INFO L130 BoogieDeclarations]: Found specification of procedure ace_load_mini_rx_ring [2021-12-06 18:59:49,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_load_mini_rx_ring [2021-12-06 18:59:49,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 18:59:49,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 18:59:49,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 18:59:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 18:59:49,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-06 18:59:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-06 18:59:49,576 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-12-06 18:59:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-12-06 18:59:49,577 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-06 18:59:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-06 18:59:49,577 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2021-12-06 18:59:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2021-12-06 18:59:49,577 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 18:59:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 18:59:49,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 18:59:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 18:59:49,578 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-06 18:59:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-06 18:59:49,578 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-06 18:59:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-06 18:59:49,578 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-06 18:59:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-06 18:59:49,578 INFO L130 BoogieDeclarations]: Found specification of procedure acenic_remove_one [2021-12-06 18:59:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure acenic_remove_one [2021-12-06 18:59:49,578 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-06 18:59:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-06 18:59:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:59:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure ace_init_cleanup [2021-12-06 18:59:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_init_cleanup [2021-12-06 18:59:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-06 18:59:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-06 18:59:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 18:59:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 18:59:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 18:59:49,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 18:59:49,580 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 18:59:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 18:59:49,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-06 18:59:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-06 18:59:49,580 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 18:59:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 18:59:49,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 18:59:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 18:59:49,581 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-06 18:59:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-06 18:59:49,581 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 18:59:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 18:59:49,581 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-06 18:59:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-06 18:59:49,581 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 18:59:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 18:59:49,581 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 18:59:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 18:59:49,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 18:59:49,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 18:59:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 18:59:49,582 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-06 18:59:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-06 18:59:49,582 INFO L130 BoogieDeclarations]: Found specification of procedure ace_open [2021-12-06 18:59:49,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_open [2021-12-06 18:59:49,582 INFO L130 BoogieDeclarations]: Found specification of procedure ace_close [2021-12-06 18:59:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_close [2021-12-06 18:59:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 18:59:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 18:59:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure prefetchw [2021-12-06 18:59:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure prefetchw [2021-12-06 18:59:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure ace_map_tx_skb [2021-12-06 18:59:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_map_tx_skb [2021-12-06 18:59:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure ace_load_tx_bd [2021-12-06 18:59:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_load_tx_bd [2021-12-06 18:59:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-06 18:59:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-06 18:59:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure ace_watchdog [2021-12-06 18:59:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ace_watchdog [2021-12-06 18:59:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-06 18:59:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-06 18:59:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:59:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 18:59:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 18:59:49,585 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2021-12-06 18:59:49,585 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2021-12-06 18:59:50,080 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:59:50,083 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:59:50,201 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 18:59:52,431 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-06 18:59:52,499 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:59:52,519 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:59:52,520 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 18:59:52,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:59:52 BoogieIcfgContainer [2021-12-06 18:59:52,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:59:52,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:59:52,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:59:52,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:59:52,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:59:46" (1/3) ... [2021-12-06 18:59:52,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3eb86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:59:52, skipping insertion in model container [2021-12-06 18:59:52,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:59:49" (2/3) ... [2021-12-06 18:59:52,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3eb86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:59:52, skipping insertion in model container [2021-12-06 18:59:52,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:59:52" (3/3) ... [2021-12-06 18:59:52,529 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-alteon-acenic.cil.i [2021-12-06 18:59:52,532 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:59:52,532 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 18:59:52,575 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:59:52,580 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 18:59:52,580 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 18:59:52,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 2026 states, 1332 states have (on average 1.2867867867867868) internal successors, (1714), 1394 states have internal predecessors, (1714), 600 states have call successors, (600), 94 states have call predecessors, (600), 93 states have return successors, (595), 580 states have call predecessors, (595), 595 states have call successors, (595) [2021-12-06 18:59:52,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-06 18:59:52,645 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:59:52,646 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:59:52,646 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:59:52,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:59:52,650 INFO L85 PathProgramCache]: Analyzing trace with hash -785676113, now seen corresponding path program 1 times [2021-12-06 18:59:52,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:59:52,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829193700] [2021-12-06 18:59:52,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:59:52,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:59:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:59:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:59:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:59:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:59:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:59:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:59:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 18:59:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 18:59:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 18:59:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-06 18:59:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 18:59:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-06 18:59:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:53,276 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-12-06 18:59:53,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:59:53,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829193700] [2021-12-06 18:59:53,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829193700] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:59:53,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:59:53,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:59:53,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713422504] [2021-12-06 18:59:53,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:59:53,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:59:53,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:59:53,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:59:53,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:59:53,308 INFO L87 Difference]: Start difference. First operand has 2026 states, 1332 states have (on average 1.2867867867867868) internal successors, (1714), 1394 states have internal predecessors, (1714), 600 states have call successors, (600), 94 states have call predecessors, (600), 93 states have return successors, (595), 580 states have call predecessors, (595), 595 states have call successors, (595) Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-06 18:59:56,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:59:56,460 INFO L93 Difference]: Finished difference Result 5823 states and 8530 transitions. [2021-12-06 18:59:56,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:59:56,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 127 [2021-12-06 18:59:56,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:59:56,503 INFO L225 Difference]: With dead ends: 5823 [2021-12-06 18:59:56,503 INFO L226 Difference]: Without dead ends: 3737 [2021-12-06 18:59:56,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:59:56,526 INFO L933 BasicCegarLoop]: 3047 mSDtfsCounter, 2879 mSDsluCounter, 3173 mSDsCounter, 0 mSdLazyCounter, 1976 mSolverCounterSat, 1799 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3386 SdHoareTripleChecker+Valid, 6220 SdHoareTripleChecker+Invalid, 3775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1799 IncrementalHoareTripleChecker+Valid, 1976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-06 18:59:56,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3386 Valid, 6220 Invalid, 3775 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1799 Valid, 1976 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-06 18:59:56,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3737 states. [2021-12-06 18:59:56,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3737 to 3599. [2021-12-06 18:59:56,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3599 states, 2373 states have (on average 1.276864728192162) internal successors, (3030), 2480 states have internal predecessors, (3030), 1051 states have call successors, (1051), 174 states have call predecessors, (1051), 174 states have return successors, (1053), 1023 states have call predecessors, (1053), 1051 states have call successors, (1053) [2021-12-06 18:59:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3599 states to 3599 states and 5134 transitions. [2021-12-06 18:59:56,833 INFO L78 Accepts]: Start accepts. Automaton has 3599 states and 5134 transitions. Word has length 127 [2021-12-06 18:59:56,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:59:56,834 INFO L470 AbstractCegarLoop]: Abstraction has 3599 states and 5134 transitions. [2021-12-06 18:59:56,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-06 18:59:56,834 INFO L276 IsEmpty]: Start isEmpty. Operand 3599 states and 5134 transitions. [2021-12-06 18:59:56,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-12-06 18:59:56,841 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:59:56,841 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:59:56,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:59:56,842 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:59:56,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:59:56,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1225637181, now seen corresponding path program 1 times [2021-12-06 18:59:56,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:59:56,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130846923] [2021-12-06 18:59:56,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:59:56,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:59:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:56,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:59:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:56,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:59:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:59:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:59:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:59:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:59:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 18:59:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 18:59:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 18:59:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-06 18:59:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 18:59:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 18:59:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:59:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 18:59:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 18:59:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-06 18:59:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 18:59:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-06 18:59:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:57,170 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-12-06 18:59:57,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:59:57,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130846923] [2021-12-06 18:59:57,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130846923] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:59:57,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:59:57,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:59:57,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513678692] [2021-12-06 18:59:57,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:59:57,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:59:57,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:59:57,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:59:57,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:59:57,173 INFO L87 Difference]: Start difference. First operand 3599 states and 5134 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 18:59:59,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:59:59,656 INFO L93 Difference]: Finished difference Result 8795 states and 12527 transitions. [2021-12-06 18:59:59,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:59:59,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 170 [2021-12-06 18:59:59,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:59:59,698 INFO L225 Difference]: With dead ends: 8795 [2021-12-06 18:59:59,698 INFO L226 Difference]: Without dead ends: 5213 [2021-12-06 18:59:59,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:59:59,716 INFO L933 BasicCegarLoop]: 3140 mSDtfsCounter, 1778 mSDsluCounter, 3331 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2129 SdHoareTripleChecker+Valid, 6471 SdHoareTripleChecker+Invalid, 2609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 935 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:59:59,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2129 Valid, 6471 Invalid, 2609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [935 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 18:59:59,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5213 states. [2021-12-06 18:59:59,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5213 to 4949. [2021-12-06 18:59:59,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4949 states, 3348 states have (on average 1.278673835125448) internal successors, (4281), 3504 states have internal predecessors, (4281), 1336 states have call successors, (1336), 264 states have call predecessors, (1336), 264 states have return successors, (1338), 1300 states have call predecessors, (1338), 1336 states have call successors, (1338) [2021-12-06 18:59:59,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4949 states to 4949 states and 6955 transitions. [2021-12-06 18:59:59,945 INFO L78 Accepts]: Start accepts. Automaton has 4949 states and 6955 transitions. Word has length 170 [2021-12-06 18:59:59,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:59:59,946 INFO L470 AbstractCegarLoop]: Abstraction has 4949 states and 6955 transitions. [2021-12-06 18:59:59,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 18:59:59,946 INFO L276 IsEmpty]: Start isEmpty. Operand 4949 states and 6955 transitions. [2021-12-06 18:59:59,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-06 18:59:59,949 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:59:59,949 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:59:59,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:59:59,950 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:59:59,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:59:59,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1532907827, now seen corresponding path program 1 times [2021-12-06 18:59:59,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:59:59,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079221127] [2021-12-06 18:59:59,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:59:59,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 19:00:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-06 19:00:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 19:00:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 19:00:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-06 19:00:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:00:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 19:00:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-06 19:00:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-06 19:00:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:00,299 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-12-06 19:00:00,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:00,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079221127] [2021-12-06 19:00:00,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079221127] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:00,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:00,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:00:00,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43354606] [2021-12-06 19:00:00,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:00,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:00:00,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:00,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:00:00,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:00:00,302 INFO L87 Difference]: Start difference. First operand 4949 states and 6955 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-06 19:00:03,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:03,009 INFO L93 Difference]: Finished difference Result 14192 states and 20054 transitions. [2021-12-06 19:00:03,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:00:03,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 162 [2021-12-06 19:00:03,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:03,055 INFO L225 Difference]: With dead ends: 14192 [2021-12-06 19:00:03,055 INFO L226 Difference]: Without dead ends: 9260 [2021-12-06 19:00:03,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:00:03,070 INFO L933 BasicCegarLoop]: 3296 mSDtfsCounter, 2994 mSDsluCounter, 3424 mSDsCounter, 0 mSdLazyCounter, 1933 mSolverCounterSat, 1685 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3510 SdHoareTripleChecker+Valid, 6720 SdHoareTripleChecker+Invalid, 3618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1685 IncrementalHoareTripleChecker+Valid, 1933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:03,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3510 Valid, 6720 Invalid, 3618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1685 Valid, 1933 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-06 19:00:03,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9260 states. [2021-12-06 19:00:03,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9260 to 8833. [2021-12-06 19:00:03,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8833 states, 5908 states have (on average 1.2725118483412323) internal successors, (7518), 6185 states have internal predecessors, (7518), 2443 states have call successors, (2443), 481 states have call predecessors, (2443), 481 states have return successors, (2460), 2367 states have call predecessors, (2460), 2443 states have call successors, (2460) [2021-12-06 19:00:03,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8833 states to 8833 states and 12421 transitions. [2021-12-06 19:00:03,418 INFO L78 Accepts]: Start accepts. Automaton has 8833 states and 12421 transitions. Word has length 162 [2021-12-06 19:00:03,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:03,419 INFO L470 AbstractCegarLoop]: Abstraction has 8833 states and 12421 transitions. [2021-12-06 19:00:03,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-06 19:00:03,419 INFO L276 IsEmpty]: Start isEmpty. Operand 8833 states and 12421 transitions. [2021-12-06 19:00:03,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-12-06 19:00:03,423 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:03,424 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:03,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 19:00:03,424 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:00:03,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:03,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1313601098, now seen corresponding path program 1 times [2021-12-06 19:00:03,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:03,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105226669] [2021-12-06 19:00:03,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:03,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:00:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:00:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:00:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:00:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:00:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 19:00:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-06 19:00:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 19:00:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-06 19:00:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-06 19:00:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:00:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:00:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,754 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2021-12-06 19:00:03,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:03,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105226669] [2021-12-06 19:00:03,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105226669] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:03,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:03,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:00:03,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774981769] [2021-12-06 19:00:03,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:03,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:00:03,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:03,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:00:03,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:00:03,757 INFO L87 Difference]: Start difference. First operand 8833 states and 12421 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-06 19:00:05,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:05,635 INFO L93 Difference]: Finished difference Result 20304 states and 28574 transitions. [2021-12-06 19:00:05,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:00:05,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 230 [2021-12-06 19:00:05,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:05,688 INFO L225 Difference]: With dead ends: 20304 [2021-12-06 19:00:05,689 INFO L226 Difference]: Without dead ends: 11488 [2021-12-06 19:00:05,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:00:05,713 INFO L933 BasicCegarLoop]: 3749 mSDtfsCounter, 1590 mSDsluCounter, 3657 mSDsCounter, 0 mSdLazyCounter, 1676 mSolverCounterSat, 815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 7406 SdHoareTripleChecker+Invalid, 2491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 815 IncrementalHoareTripleChecker+Valid, 1676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:05,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1941 Valid, 7406 Invalid, 2491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [815 Valid, 1676 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-06 19:00:05,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11488 states. [2021-12-06 19:00:06,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11488 to 10908. [2021-12-06 19:00:06,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10908 states, 7398 states have (on average 1.272235739389024) internal successors, (9412), 7751 states have internal predecessors, (9412), 2882 states have call successors, (2882), 627 states have call predecessors, (2882), 627 states have return successors, (2899), 2790 states have call predecessors, (2899), 2882 states have call successors, (2899) [2021-12-06 19:00:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10908 states to 10908 states and 15193 transitions. [2021-12-06 19:00:06,078 INFO L78 Accepts]: Start accepts. Automaton has 10908 states and 15193 transitions. Word has length 230 [2021-12-06 19:00:06,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:06,079 INFO L470 AbstractCegarLoop]: Abstraction has 10908 states and 15193 transitions. [2021-12-06 19:00:06,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-06 19:00:06,080 INFO L276 IsEmpty]: Start isEmpty. Operand 10908 states and 15193 transitions. [2021-12-06 19:00:06,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-06 19:00:06,084 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:06,084 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:06,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 19:00:06,085 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:00:06,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:06,085 INFO L85 PathProgramCache]: Analyzing trace with hash -933017635, now seen corresponding path program 1 times [2021-12-06 19:00:06,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:06,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898809622] [2021-12-06 19:00:06,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:06,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:00:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:00:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:00:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:00:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:00:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:00:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:00:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:00:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:00:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-06 19:00:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:00:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-06 19:00:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 19:00:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:00:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-06 19:00:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-06 19:00:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:06,470 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2021-12-06 19:00:06,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:06,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898809622] [2021-12-06 19:00:06,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898809622] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:06,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:06,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:00:06,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083253476] [2021-12-06 19:00:06,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:06,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:00:06,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:06,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:00:06,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:00:06,472 INFO L87 Difference]: Start difference. First operand 10908 states and 15193 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-06 19:00:08,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:08,397 INFO L93 Difference]: Finished difference Result 25154 states and 35019 transitions. [2021-12-06 19:00:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:00:08,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 304 [2021-12-06 19:00:08,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:08,438 INFO L225 Difference]: With dead ends: 25154 [2021-12-06 19:00:08,438 INFO L226 Difference]: Without dead ends: 14263 [2021-12-06 19:00:08,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:00:08,464 INFO L933 BasicCegarLoop]: 3830 mSDtfsCounter, 2476 mSDsluCounter, 2889 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 1245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2859 SdHoareTripleChecker+Valid, 6719 SdHoareTripleChecker+Invalid, 2686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1245 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:08,465 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2859 Valid, 6719 Invalid, 2686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1245 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-06 19:00:08,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14263 states. [2021-12-06 19:00:08,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14263 to 13503. [2021-12-06 19:00:08,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13503 states, 9239 states have (on average 1.2686437926182488) internal successors, (11721), 9676 states have internal predecessors, (11721), 3426 states have call successors, (3426), 837 states have call predecessors, (3426), 837 states have return successors, (3443), 3317 states have call predecessors, (3443), 3426 states have call successors, (3443) [2021-12-06 19:00:08,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13503 states to 13503 states and 18590 transitions. [2021-12-06 19:00:08,902 INFO L78 Accepts]: Start accepts. Automaton has 13503 states and 18590 transitions. Word has length 304 [2021-12-06 19:00:08,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:08,902 INFO L470 AbstractCegarLoop]: Abstraction has 13503 states and 18590 transitions. [2021-12-06 19:00:08,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-06 19:00:08,903 INFO L276 IsEmpty]: Start isEmpty. Operand 13503 states and 18590 transitions. [2021-12-06 19:00:08,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-06 19:00:08,907 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:08,907 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:08,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 19:00:08,908 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:00:08,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:08,908 INFO L85 PathProgramCache]: Analyzing trace with hash 374124763, now seen corresponding path program 1 times [2021-12-06 19:00:08,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:08,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322341286] [2021-12-06 19:00:08,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:08,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:00:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:00:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:00:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:00:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:00:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:00:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:00:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:00:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:00:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-06 19:00:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:00:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-06 19:00:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 19:00:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:00:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-06 19:00:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-06 19:00:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:09,225 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2021-12-06 19:00:09,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:09,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322341286] [2021-12-06 19:00:09,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322341286] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:09,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:09,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:00:09,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903519302] [2021-12-06 19:00:09,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:09,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:00:09,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:09,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:00:09,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:00:09,227 INFO L87 Difference]: Start difference. First operand 13503 states and 18590 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-06 19:00:11,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:11,184 INFO L93 Difference]: Finished difference Result 29936 states and 41364 transitions. [2021-12-06 19:00:11,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:00:11,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 304 [2021-12-06 19:00:11,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:11,229 INFO L225 Difference]: With dead ends: 29936 [2021-12-06 19:00:11,229 INFO L226 Difference]: Without dead ends: 16450 [2021-12-06 19:00:11,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:00:11,251 INFO L933 BasicCegarLoop]: 3760 mSDtfsCounter, 1582 mSDsluCounter, 3670 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 803 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1933 SdHoareTripleChecker+Valid, 7430 SdHoareTripleChecker+Invalid, 2467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 803 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:11,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1933 Valid, 7430 Invalid, 2467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [803 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-06 19:00:11,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16450 states. [2021-12-06 19:00:11,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16450 to 15537. [2021-12-06 19:00:11,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15537 states, 10703 states have (on average 1.2696440250397085) internal successors, (13589), 11216 states have internal predecessors, (13589), 3853 states have call successors, (3853), 980 states have call predecessors, (3853), 980 states have return successors, (3870), 3728 states have call predecessors, (3870), 3853 states have call successors, (3870) [2021-12-06 19:00:11,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15537 states to 15537 states and 21312 transitions. [2021-12-06 19:00:11,680 INFO L78 Accepts]: Start accepts. Automaton has 15537 states and 21312 transitions. Word has length 304 [2021-12-06 19:00:11,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:11,681 INFO L470 AbstractCegarLoop]: Abstraction has 15537 states and 21312 transitions. [2021-12-06 19:00:11,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-06 19:00:11,681 INFO L276 IsEmpty]: Start isEmpty. Operand 15537 states and 21312 transitions. [2021-12-06 19:00:11,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-12-06 19:00:11,685 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:11,685 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 10, 10, 10, 7, 7, 7, 7, 7, 7, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:11,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 19:00:11,685 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:00:11,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:11,686 INFO L85 PathProgramCache]: Analyzing trace with hash 438282870, now seen corresponding path program 1 times [2021-12-06 19:00:11,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:11,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79225298] [2021-12-06 19:00:11,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:11,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:00:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:00:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:00:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:00:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:00:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:00:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:00:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:00:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:00:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:00:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:00:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:00:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:00:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:00:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:00:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:00:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:11,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-06 19:00:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:12,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 19:00:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:12,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:12,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:12,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:12,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-06 19:00:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:12,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:12,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:12,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-12-06 19:00:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:12,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-06 19:00:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:12,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 19:00:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:12,043 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2021-12-06 19:00:12,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:12,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79225298] [2021-12-06 19:00:12,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79225298] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:12,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:12,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:00:12,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087332039] [2021-12-06 19:00:12,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:12,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:00:12,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:12,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:00:12,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:00:12,044 INFO L87 Difference]: Start difference. First operand 15537 states and 21312 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-06 19:00:14,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:14,151 INFO L93 Difference]: Finished difference Result 34155 states and 47050 transitions. [2021-12-06 19:00:14,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:00:14,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 377 [2021-12-06 19:00:14,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:14,212 INFO L225 Difference]: With dead ends: 34155 [2021-12-06 19:00:14,212 INFO L226 Difference]: Without dead ends: 18635 [2021-12-06 19:00:14,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:00:14,238 INFO L933 BasicCegarLoop]: 3288 mSDtfsCounter, 1665 mSDsluCounter, 3398 mSDsCounter, 0 mSdLazyCounter, 1660 mSolverCounterSat, 908 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 6686 SdHoareTripleChecker+Invalid, 2568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 908 IncrementalHoareTripleChecker+Valid, 1660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:14,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2015 Valid, 6686 Invalid, 2568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [908 Valid, 1660 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-06 19:00:14,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18635 states. [2021-12-06 19:00:14,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18635 to 17569. [2021-12-06 19:00:14,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17569 states, 12167 states have (on average 1.2704035505876552) internal successors, (15457), 12756 states have internal predecessors, (15457), 4280 states have call successors, (4280), 1121 states have call predecessors, (4280), 1121 states have return successors, (4297), 4139 states have call predecessors, (4297), 4280 states have call successors, (4297) [2021-12-06 19:00:14,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17569 states to 17569 states and 24034 transitions. [2021-12-06 19:00:14,714 INFO L78 Accepts]: Start accepts. Automaton has 17569 states and 24034 transitions. Word has length 377 [2021-12-06 19:00:14,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:14,715 INFO L470 AbstractCegarLoop]: Abstraction has 17569 states and 24034 transitions. [2021-12-06 19:00:14,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-06 19:00:14,715 INFO L276 IsEmpty]: Start isEmpty. Operand 17569 states and 24034 transitions. [2021-12-06 19:00:14,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-12-06 19:00:14,719 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:14,720 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 10, 10, 10, 7, 7, 7, 7, 7, 7, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:14,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 19:00:14,720 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:00:14,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:14,720 INFO L85 PathProgramCache]: Analyzing trace with hash -868859528, now seen corresponding path program 1 times [2021-12-06 19:00:14,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:14,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145953425] [2021-12-06 19:00:14,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:14,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:00:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:00:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:00:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:00:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:00:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:00:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:00:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:00:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:00:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:00:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:00:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:14,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:00:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:00:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:00:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:00:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:00:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-06 19:00:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-06 19:00:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-06 19:00:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-12-06 19:00:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-06 19:00:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 19:00:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:15,065 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2021-12-06 19:00:15,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:15,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145953425] [2021-12-06 19:00:15,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145953425] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:15,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:15,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:00:15,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697173640] [2021-12-06 19:00:15,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:15,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:00:15,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:15,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:00:15,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:00:15,066 INFO L87 Difference]: Start difference. First operand 17569 states and 24034 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-06 19:00:17,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:17,105 INFO L93 Difference]: Finished difference Result 38420 states and 52792 transitions. [2021-12-06 19:00:17,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:00:17,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 377 [2021-12-06 19:00:17,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:17,162 INFO L225 Difference]: With dead ends: 38420 [2021-12-06 19:00:17,162 INFO L226 Difference]: Without dead ends: 20868 [2021-12-06 19:00:17,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:00:17,198 INFO L933 BasicCegarLoop]: 3754 mSDtfsCounter, 1603 mSDsluCounter, 3665 mSDsCounter, 0 mSdLazyCounter, 1671 mSolverCounterSat, 808 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 7419 SdHoareTripleChecker+Invalid, 2479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 808 IncrementalHoareTripleChecker+Valid, 1671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:17,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1955 Valid, 7419 Invalid, 2479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [808 Valid, 1671 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-06 19:00:17,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20868 states. [2021-12-06 19:00:17,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20868 to 19649. [2021-12-06 19:00:17,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19649 states, 13671 states have (on average 1.2707921878428792) internal successors, (17373), 14336 states have internal predecessors, (17373), 4711 states have call successors, (4711), 1266 states have call predecessors, (4711), 1266 states have return successors, (4728), 4554 states have call predecessors, (4728), 4711 states have call successors, (4728) [2021-12-06 19:00:17,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19649 states to 19649 states and 26812 transitions. [2021-12-06 19:00:17,734 INFO L78 Accepts]: Start accepts. Automaton has 19649 states and 26812 transitions. Word has length 377 [2021-12-06 19:00:17,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:17,734 INFO L470 AbstractCegarLoop]: Abstraction has 19649 states and 26812 transitions. [2021-12-06 19:00:17,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-06 19:00:17,734 INFO L276 IsEmpty]: Start isEmpty. Operand 19649 states and 26812 transitions. [2021-12-06 19:00:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-12-06 19:00:17,739 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:17,739 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 11, 11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:17,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 19:00:17,739 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:00:17,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:17,740 INFO L85 PathProgramCache]: Analyzing trace with hash -2052111059, now seen corresponding path program 1 times [2021-12-06 19:00:17,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:17,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365006034] [2021-12-06 19:00:17,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:17,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:00:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:00:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:00:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:00:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:00:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:00:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:00:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:00:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:00:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:00:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:00:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:00:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:00:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:00:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:00:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:00:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:00:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-06 19:00:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-06 19:00:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-06 19:00:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-06 19:00:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-06 19:00:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-06 19:00:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:00:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 19:00:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:18,132 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2021-12-06 19:00:18,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:18,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365006034] [2021-12-06 19:00:18,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365006034] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:18,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:18,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:00:18,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892848746] [2021-12-06 19:00:18,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:18,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:00:18,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:18,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:00:18,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:00:18,134 INFO L87 Difference]: Start difference. First operand 19649 states and 26812 transitions. Second operand has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2021-12-06 19:00:21,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:21,280 INFO L93 Difference]: Finished difference Result 43445 states and 59481 transitions. [2021-12-06 19:00:21,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:00:21,281 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 418 [2021-12-06 19:00:21,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:21,333 INFO L225 Difference]: With dead ends: 43445 [2021-12-06 19:00:21,333 INFO L226 Difference]: Without dead ends: 23813 [2021-12-06 19:00:21,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:00:21,366 INFO L933 BasicCegarLoop]: 3954 mSDtfsCounter, 1836 mSDsluCounter, 9960 mSDsCounter, 0 mSdLazyCounter, 4024 mSolverCounterSat, 877 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2225 SdHoareTripleChecker+Valid, 13914 SdHoareTripleChecker+Invalid, 4901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 877 IncrementalHoareTripleChecker+Valid, 4024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:21,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2225 Valid, 13914 Invalid, 4901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [877 Valid, 4024 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-06 19:00:21,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23813 states. [2021-12-06 19:00:21,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23813 to 22433. [2021-12-06 19:00:21,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22433 states, 15613 states have (on average 1.268238006789214) internal successors, (19801), 16375 states have internal predecessors, (19801), 5345 states have call successors, (5345), 1472 states have call predecessors, (5345), 1474 states have return successors, (5367), 5169 states have call predecessors, (5367), 5345 states have call successors, (5367) [2021-12-06 19:00:22,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22433 states to 22433 states and 30513 transitions. [2021-12-06 19:00:22,040 INFO L78 Accepts]: Start accepts. Automaton has 22433 states and 30513 transitions. Word has length 418 [2021-12-06 19:00:22,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:22,040 INFO L470 AbstractCegarLoop]: Abstraction has 22433 states and 30513 transitions. [2021-12-06 19:00:22,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2021-12-06 19:00:22,041 INFO L276 IsEmpty]: Start isEmpty. Operand 22433 states and 30513 transitions. [2021-12-06 19:00:22,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2021-12-06 19:00:22,046 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:22,047 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 11, 11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:22,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 19:00:22,047 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:00:22,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:22,047 INFO L85 PathProgramCache]: Analyzing trace with hash 935305021, now seen corresponding path program 1 times [2021-12-06 19:00:22,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:22,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540845379] [2021-12-06 19:00:22,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:22,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:00:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:00:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:00:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:00:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:00:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:00:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:00:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:00:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:00:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:00:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:00:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:00:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:00:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:00:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:00:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:00:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:00:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-06 19:00:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:00:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-06 19:00:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 19:00:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:00:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-06 19:00:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 19:00:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-06 19:00:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,558 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2021-12-06 19:00:22,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:22,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540845379] [2021-12-06 19:00:22,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540845379] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:22,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:22,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:00:22,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446966150] [2021-12-06 19:00:22,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:22,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:00:22,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:22,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:00:22,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:00:22,560 INFO L87 Difference]: Start difference. First operand 22433 states and 30513 transitions. Second operand has 6 states, 6 states have (on average 25.0) internal successors, (150), 4 states have internal predecessors, (150), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2021-12-06 19:00:25,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:25,390 INFO L93 Difference]: Finished difference Result 48442 states and 66186 transitions. [2021-12-06 19:00:25,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:00:25,391 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 4 states have internal predecessors, (150), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 419 [2021-12-06 19:00:25,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:25,451 INFO L225 Difference]: With dead ends: 48442 [2021-12-06 19:00:25,451 INFO L226 Difference]: Without dead ends: 26026 [2021-12-06 19:00:25,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:00:25,487 INFO L933 BasicCegarLoop]: 3762 mSDtfsCounter, 1587 mSDsluCounter, 9628 mSDsCounter, 0 mSdLazyCounter, 3821 mSolverCounterSat, 801 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1938 SdHoareTripleChecker+Valid, 13390 SdHoareTripleChecker+Invalid, 4622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 801 IncrementalHoareTripleChecker+Valid, 3821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:25,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1938 Valid, 13390 Invalid, 4622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [801 Valid, 3821 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 19:00:25,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26026 states. [2021-12-06 19:00:26,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26026 to 24493. [2021-12-06 19:00:26,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24493 states, 17089 states have (on average 1.2687108666393587) internal successors, (21681), 17927 states have internal predecessors, (21681), 5776 states have call successors, (5776), 1621 states have call predecessors, (5776), 1627 states have return successors, (5802), 5588 states have call predecessors, (5802), 5776 states have call successors, (5802) [2021-12-06 19:00:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24493 states to 24493 states and 33259 transitions. [2021-12-06 19:00:26,119 INFO L78 Accepts]: Start accepts. Automaton has 24493 states and 33259 transitions. Word has length 419 [2021-12-06 19:00:26,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:26,119 INFO L470 AbstractCegarLoop]: Abstraction has 24493 states and 33259 transitions. [2021-12-06 19:00:26,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 4 states have internal predecessors, (150), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2021-12-06 19:00:26,120 INFO L276 IsEmpty]: Start isEmpty. Operand 24493 states and 33259 transitions. [2021-12-06 19:00:26,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-12-06 19:00:26,124 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:26,124 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 11, 11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:26,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 19:00:26,125 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:00:26,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:26,125 INFO L85 PathProgramCache]: Analyzing trace with hash -12547056, now seen corresponding path program 1 times [2021-12-06 19:00:26,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:26,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490283622] [2021-12-06 19:00:26,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:26,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:00:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:00:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:00:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:00:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:00:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:00:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:00:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:00:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:00:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:00:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:00:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:00:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:00:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:00:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:00:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:00:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:00:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:00:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:00:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-06 19:00:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 19:00:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-06 19:00:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:00:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-06 19:00:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-06 19:00:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:26,445 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2021-12-06 19:00:26,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:26,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490283622] [2021-12-06 19:00:26,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490283622] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:26,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:26,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:00:26,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241346223] [2021-12-06 19:00:26,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:26,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:00:26,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:26,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:00:26,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:00:26,447 INFO L87 Difference]: Start difference. First operand 24493 states and 33259 transitions. Second operand has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 4 states have internal predecessors, (151), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2021-12-06 19:00:29,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:29,345 INFO L93 Difference]: Finished difference Result 52679 states and 71892 transitions. [2021-12-06 19:00:29,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:00:29,346 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 4 states have internal predecessors, (151), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 420 [2021-12-06 19:00:29,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:29,421 INFO L225 Difference]: With dead ends: 52679 [2021-12-06 19:00:29,421 INFO L226 Difference]: Without dead ends: 28203 [2021-12-06 19:00:29,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:00:29,468 INFO L933 BasicCegarLoop]: 3754 mSDtfsCounter, 1578 mSDsluCounter, 9633 mSDsCounter, 0 mSdLazyCounter, 3816 mSolverCounterSat, 802 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1928 SdHoareTripleChecker+Valid, 13387 SdHoareTripleChecker+Invalid, 4618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 802 IncrementalHoareTripleChecker+Valid, 3816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:29,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1928 Valid, 13387 Invalid, 4618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [802 Valid, 3816 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 19:00:29,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28203 states. [2021-12-06 19:00:30,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28203 to 26517. [2021-12-06 19:00:30,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26517 states, 18545 states have (on average 1.269398759773524) internal successors, (23541), 19459 states have internal predecessors, (23541), 6203 states have call successors, (6203), 1762 states have call predecessors, (6203), 1768 states have return successors, (6229), 5999 states have call predecessors, (6229), 6203 states have call successors, (6229) [2021-12-06 19:00:30,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26517 states to 26517 states and 35973 transitions. [2021-12-06 19:00:30,190 INFO L78 Accepts]: Start accepts. Automaton has 26517 states and 35973 transitions. Word has length 420 [2021-12-06 19:00:30,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:30,191 INFO L470 AbstractCegarLoop]: Abstraction has 26517 states and 35973 transitions. [2021-12-06 19:00:30,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 4 states have internal predecessors, (151), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2021-12-06 19:00:30,192 INFO L276 IsEmpty]: Start isEmpty. Operand 26517 states and 35973 transitions. [2021-12-06 19:00:30,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2021-12-06 19:00:30,199 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:30,200 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 11, 11, 11, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:30,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 19:00:30,200 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:00:30,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:30,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1857559550, now seen corresponding path program 1 times [2021-12-06 19:00:30,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:30,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700452498] [2021-12-06 19:00:30,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:30,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:00:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:00:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:00:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:00:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:00:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:00:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:00:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:00:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:00:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:00:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:00:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:00:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:00:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:00:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:00:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:00:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:00:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-06 19:00:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-06 19:00:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-06 19:00:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-12-06 19:00:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 19:00:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-06 19:00:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-06 19:00:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-06 19:00:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-06 19:00:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1025 trivial. 0 not checked. [2021-12-06 19:00:30,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:30,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700452498] [2021-12-06 19:00:30,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700452498] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:30,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:30,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:00:30,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016230702] [2021-12-06 19:00:30,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:30,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:00:30,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:30,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:00:30,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:00:30,560 INFO L87 Difference]: Start difference. First operand 26517 states and 35973 transitions. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-12-06 19:00:33,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:33,016 INFO L93 Difference]: Finished difference Result 57307 states and 78061 transitions. [2021-12-06 19:00:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:00:33,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 435 [2021-12-06 19:00:33,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:33,088 INFO L225 Difference]: With dead ends: 57307 [2021-12-06 19:00:33,088 INFO L226 Difference]: Without dead ends: 30807 [2021-12-06 19:00:33,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:00:33,134 INFO L933 BasicCegarLoop]: 3959 mSDtfsCounter, 1808 mSDsluCounter, 3698 mSDsCounter, 0 mSdLazyCounter, 1735 mSolverCounterSat, 878 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2195 SdHoareTripleChecker+Valid, 7657 SdHoareTripleChecker+Invalid, 2613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 878 IncrementalHoareTripleChecker+Valid, 1735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:33,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2195 Valid, 7657 Invalid, 2613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [878 Valid, 1735 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-06 19:00:33,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30807 states. [2021-12-06 19:00:33,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30807 to 28976. [2021-12-06 19:00:33,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28976 states, 20262 states have (on average 1.2682854604678708) internal successors, (25698), 21262 states have internal predecessors, (25698), 6755 states have call successors, (6755), 1952 states have call predecessors, (6755), 1958 states have return successors, (6781), 6531 states have call predecessors, (6781), 6755 states have call successors, (6781) [2021-12-06 19:00:34,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28976 states to 28976 states and 39234 transitions. [2021-12-06 19:00:34,023 INFO L78 Accepts]: Start accepts. Automaton has 28976 states and 39234 transitions. Word has length 435 [2021-12-06 19:00:34,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:34,024 INFO L470 AbstractCegarLoop]: Abstraction has 28976 states and 39234 transitions. [2021-12-06 19:00:34,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-12-06 19:00:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand 28976 states and 39234 transitions. [2021-12-06 19:00:34,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2021-12-06 19:00:34,030 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:34,030 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 11, 11, 11, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:34,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 19:00:34,030 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:00:34,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:34,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1235443576, now seen corresponding path program 1 times [2021-12-06 19:00:34,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:34,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576840312] [2021-12-06 19:00:34,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:34,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:00:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:00:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:00:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:00:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:00:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:00:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:00:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:00:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:00:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:00:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:00:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:00:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:00:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:00:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:00:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:00:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:00:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:00:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:00:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 19:00:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-06 19:00:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 19:00:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-06 19:00:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-06 19:00:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-06 19:00:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 19:00:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:34,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1046 trivial. 0 not checked. [2021-12-06 19:00:34,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:34,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576840312] [2021-12-06 19:00:34,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576840312] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:34,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:34,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:00:34,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239925667] [2021-12-06 19:00:34,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:34,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:00:34,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:34,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:00:34,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:00:34,314 INFO L87 Difference]: Start difference. First operand 28976 states and 39234 transitions. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-12-06 19:00:36,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:36,647 INFO L93 Difference]: Finished difference Result 61983 states and 84350 transitions. [2021-12-06 19:00:36,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:00:36,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 442 [2021-12-06 19:00:36,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:36,731 INFO L225 Difference]: With dead ends: 61983 [2021-12-06 19:00:36,731 INFO L226 Difference]: Without dead ends: 33024 [2021-12-06 19:00:36,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:00:36,788 INFO L933 BasicCegarLoop]: 3759 mSDtfsCounter, 1590 mSDsluCounter, 3664 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1942 SdHoareTripleChecker+Valid, 7423 SdHoareTripleChecker+Invalid, 2468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 805 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:36,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1942 Valid, 7423 Invalid, 2468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [805 Valid, 1663 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-06 19:00:36,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33024 states. [2021-12-06 19:00:37,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33024 to 31040. [2021-12-06 19:00:37,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31040 states, 21750 states have (on average 1.2688735632183907) internal successors, (27598), 22826 states have internal predecessors, (27598), 7186 states have call successors, (7186), 2097 states have call predecessors, (7186), 2103 states have return successors, (7212), 6946 states have call predecessors, (7212), 7186 states have call successors, (7212) [2021-12-06 19:00:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31040 states to 31040 states and 41996 transitions. [2021-12-06 19:00:37,609 INFO L78 Accepts]: Start accepts. Automaton has 31040 states and 41996 transitions. Word has length 442 [2021-12-06 19:00:37,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:37,609 INFO L470 AbstractCegarLoop]: Abstraction has 31040 states and 41996 transitions. [2021-12-06 19:00:37,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-12-06 19:00:37,610 INFO L276 IsEmpty]: Start isEmpty. Operand 31040 states and 41996 transitions. [2021-12-06 19:00:37,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2021-12-06 19:00:37,615 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:37,616 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 12, 12, 12, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:37,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 19:00:37,616 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:00:37,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:37,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1079833507, now seen corresponding path program 1 times [2021-12-06 19:00:37,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:37,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622597975] [2021-12-06 19:00:37,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:37,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:00:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:00:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:00:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:00:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:00:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:00:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:00:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:00:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:00:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:00:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:00:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:00:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:00:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:00:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:00:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:00:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:00:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-06 19:00:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-06 19:00:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:00:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-06 19:00:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 19:00:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-06 19:00:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:00:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:00:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-06 19:00:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-12-06 19:00:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1148 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2021-12-06 19:00:37,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:37,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622597975] [2021-12-06 19:00:37,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622597975] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:37,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:37,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:00:37,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322401500] [2021-12-06 19:00:37,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:37,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:00:37,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:37,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:00:37,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:00:37,972 INFO L87 Difference]: Start difference. First operand 31040 states and 41996 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-06 19:00:40,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:40,450 INFO L93 Difference]: Finished difference Result 66212 states and 90044 transitions. [2021-12-06 19:00:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:00:40,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 456 [2021-12-06 19:00:40,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:40,543 INFO L225 Difference]: With dead ends: 66212 [2021-12-06 19:00:40,543 INFO L226 Difference]: Without dead ends: 35189 [2021-12-06 19:00:40,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:00:40,603 INFO L933 BasicCegarLoop]: 3756 mSDtfsCounter, 1587 mSDsluCounter, 3658 mSDsCounter, 0 mSdLazyCounter, 1659 mSolverCounterSat, 801 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 7414 SdHoareTripleChecker+Invalid, 2460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 801 IncrementalHoareTripleChecker+Valid, 1659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:40,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1939 Valid, 7414 Invalid, 2460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [801 Valid, 1659 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-06 19:00:40,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35189 states. [2021-12-06 19:00:41,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35189 to 33052. [2021-12-06 19:00:41,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33052 states, 23194 states have (on average 1.2695524704665) internal successors, (29446), 24346 states have internal predecessors, (29446), 7613 states have call successors, (7613), 2238 states have call predecessors, (7613), 2244 states have return successors, (7639), 7357 states have call predecessors, (7639), 7613 states have call successors, (7639) [2021-12-06 19:00:41,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33052 states to 33052 states and 44698 transitions. [2021-12-06 19:00:41,562 INFO L78 Accepts]: Start accepts. Automaton has 33052 states and 44698 transitions. Word has length 456 [2021-12-06 19:00:41,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:41,563 INFO L470 AbstractCegarLoop]: Abstraction has 33052 states and 44698 transitions. [2021-12-06 19:00:41,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-06 19:00:41,563 INFO L276 IsEmpty]: Start isEmpty. Operand 33052 states and 44698 transitions. [2021-12-06 19:00:41,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-12-06 19:00:41,569 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:41,569 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:41,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 19:00:41,569 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:00:41,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:41,570 INFO L85 PathProgramCache]: Analyzing trace with hash -905262379, now seen corresponding path program 1 times [2021-12-06 19:00:41,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:41,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741099479] [2021-12-06 19:00:41,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:41,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:00:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:00:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:00:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:00:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:00:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:00:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:00:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:00:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:00:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:00:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:00:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:00:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:00:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:00:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:00:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:00:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:00:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:00:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:00:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:00:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-06 19:00:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-06 19:00:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-06 19:00:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-06 19:00:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-06 19:00:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-06 19:00:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-12-06 19:00:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-12-06 19:00:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:41,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1306 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1237 trivial. 0 not checked. [2021-12-06 19:00:41,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:41,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741099479] [2021-12-06 19:00:41,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741099479] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:41,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:41,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:00:41,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230645727] [2021-12-06 19:00:41,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:41,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:00:41,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:41,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:00:41,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:00:41,962 INFO L87 Difference]: Start difference. First operand 33052 states and 44698 transitions. Second operand has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-12-06 19:00:45,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:45,086 INFO L93 Difference]: Finished difference Result 70662 states and 95979 transitions. [2021-12-06 19:00:45,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:00:45,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 474 [2021-12-06 19:00:45,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:45,182 INFO L225 Difference]: With dead ends: 70662 [2021-12-06 19:00:45,182 INFO L226 Difference]: Without dead ends: 37627 [2021-12-06 19:00:45,238 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:00:45,239 INFO L933 BasicCegarLoop]: 3909 mSDtfsCounter, 1829 mSDsluCounter, 9821 mSDsCounter, 0 mSdLazyCounter, 4033 mSolverCounterSat, 894 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2218 SdHoareTripleChecker+Valid, 13730 SdHoareTripleChecker+Invalid, 4927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 894 IncrementalHoareTripleChecker+Valid, 4033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:45,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2218 Valid, 13730 Invalid, 4927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [894 Valid, 4033 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 19:00:45,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37627 states. [2021-12-06 19:00:46,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37627 to 33333. [2021-12-06 19:00:46,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33333 states, 23387 states have (on average 1.2689528370462222) internal successors, (29677), 24545 states have internal predecessors, (29677), 7654 states have call successors, (7654), 2281 states have call predecessors, (7654), 2291 states have return successors, (7684), 7400 states have call predecessors, (7684), 7654 states have call successors, (7684) [2021-12-06 19:00:46,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33333 states to 33333 states and 45015 transitions. [2021-12-06 19:00:46,121 INFO L78 Accepts]: Start accepts. Automaton has 33333 states and 45015 transitions. Word has length 474 [2021-12-06 19:00:46,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:46,122 INFO L470 AbstractCegarLoop]: Abstraction has 33333 states and 45015 transitions. [2021-12-06 19:00:46,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-12-06 19:00:46,122 INFO L276 IsEmpty]: Start isEmpty. Operand 33333 states and 45015 transitions. [2021-12-06 19:00:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2021-12-06 19:00:46,129 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:46,129 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:46,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 19:00:46,129 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:00:46,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:46,130 INFO L85 PathProgramCache]: Analyzing trace with hash -172931963, now seen corresponding path program 1 times [2021-12-06 19:00:46,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:46,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954065411] [2021-12-06 19:00:46,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:46,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:00:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:00:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:00:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:00:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:00:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:00:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:00:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:00:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:00:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:00:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:00:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:00:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:00:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:00:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:00:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:00:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:00:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:00:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:00:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:00:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-06 19:00:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 19:00:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-06 19:00:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:00:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:00:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-12-06 19:00:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 19:00:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-12-06 19:00:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:46,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1238 trivial. 0 not checked. [2021-12-06 19:00:46,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:46,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954065411] [2021-12-06 19:00:46,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954065411] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:46,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:46,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:00:46,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808103591] [2021-12-06 19:00:46,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:46,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:00:46,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:46,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:00:46,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:00:46,418 INFO L87 Difference]: Start difference. First operand 33333 states and 45015 transitions. Second operand has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-12-06 19:00:49,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:49,679 INFO L93 Difference]: Finished difference Result 71011 states and 96380 transitions. [2021-12-06 19:00:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:00:49,680 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 475 [2021-12-06 19:00:49,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:49,776 INFO L225 Difference]: With dead ends: 71011 [2021-12-06 19:00:49,776 INFO L226 Difference]: Without dead ends: 37695 [2021-12-06 19:00:49,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:00:49,843 INFO L933 BasicCegarLoop]: 3761 mSDtfsCounter, 1590 mSDsluCounter, 9642 mSDsCounter, 0 mSdLazyCounter, 3811 mSolverCounterSat, 802 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 13403 SdHoareTripleChecker+Invalid, 4613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 802 IncrementalHoareTripleChecker+Valid, 3811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:49,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1941 Valid, 13403 Invalid, 4613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [802 Valid, 3811 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 19:00:49,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37695 states. [2021-12-06 19:00:50,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37695 to 33381. [2021-12-06 19:00:50,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33381 states, 23419 states have (on average 1.2685853366924291) internal successors, (29709), 24577 states have internal predecessors, (29709), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2021-12-06 19:00:50,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33381 states to 33381 states and 45059 transitions. [2021-12-06 19:00:50,765 INFO L78 Accepts]: Start accepts. Automaton has 33381 states and 45059 transitions. Word has length 475 [2021-12-06 19:00:50,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:50,766 INFO L470 AbstractCegarLoop]: Abstraction has 33381 states and 45059 transitions. [2021-12-06 19:00:50,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-12-06 19:00:50,766 INFO L276 IsEmpty]: Start isEmpty. Operand 33381 states and 45059 transitions. [2021-12-06 19:00:50,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-12-06 19:00:50,773 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:50,773 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:50,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 19:00:50,773 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:00:50,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:50,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1986004408, now seen corresponding path program 1 times [2021-12-06 19:00:50,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:50,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556396647] [2021-12-06 19:00:50,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:50,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:00:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:00:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:00:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:00:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:00:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:00:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:00:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:00:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:00:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:00:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:50,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:00:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:00:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:00:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:00:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:00:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:00:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:00:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:00:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:00:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:00:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 19:00:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:00:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 19:00:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 19:00:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:00:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:00:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 19:00:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 19:00:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2021-12-06 19:00:51,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:51,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556396647] [2021-12-06 19:00:51,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556396647] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:00:51,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460966625] [2021-12-06 19:00:51,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:51,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:00:51,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:51,107 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:00:51,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 19:00:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:51,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 3908 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:00:51,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:00:52,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-12-06 19:00:52,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:00:52,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460966625] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:52,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:00:52,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2021-12-06 19:00:52,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026269269] [2021-12-06 19:00:52,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:52,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:00:52,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:52,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:00:52,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:00:52,248 INFO L87 Difference]: Start difference. First operand 33381 states and 45059 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:00:52,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:52,888 INFO L93 Difference]: Finished difference Result 66745 states and 90414 transitions. [2021-12-06 19:00:52,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:00:52,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 476 [2021-12-06 19:00:52,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:53,003 INFO L225 Difference]: With dead ends: 66745 [2021-12-06 19:00:53,003 INFO L226 Difference]: Without dead ends: 33381 [2021-12-06 19:00:53,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 596 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:00:53,068 INFO L933 BasicCegarLoop]: 2811 mSDtfsCounter, 2589 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2589 SdHoareTripleChecker+Valid, 2811 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:53,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2589 Valid, 2811 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:00:53,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33381 states. [2021-12-06 19:00:53,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33381 to 33381. [2021-12-06 19:00:53,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33381 states, 23419 states have (on average 1.2668346214612067) internal successors, (29668), 24577 states have internal predecessors, (29668), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2021-12-06 19:00:53,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33381 states to 33381 states and 45018 transitions. [2021-12-06 19:00:53,994 INFO L78 Accepts]: Start accepts. Automaton has 33381 states and 45018 transitions. Word has length 476 [2021-12-06 19:00:53,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:53,995 INFO L470 AbstractCegarLoop]: Abstraction has 33381 states and 45018 transitions. [2021-12-06 19:00:53,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:00:53,995 INFO L276 IsEmpty]: Start isEmpty. Operand 33381 states and 45018 transitions. [2021-12-06 19:00:54,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2021-12-06 19:00:54,002 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:54,002 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:54,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:00:54,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-06 19:00:54,204 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:00:54,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:54,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1771809553, now seen corresponding path program 1 times [2021-12-06 19:00:54,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:54,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013198220] [2021-12-06 19:00:54,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:54,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:00:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:00:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:00:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:00:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:00:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:00:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:00:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:00:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:00:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:00:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:00:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:00:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:00:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:00:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:00:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:00:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:00:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:00:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:00:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:00:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 19:00:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:00:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 19:00:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 19:00:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:00:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:00:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 19:00:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 19:00:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:54,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2021-12-06 19:00:54,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:54,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013198220] [2021-12-06 19:00:54,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013198220] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:00:54,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438510123] [2021-12-06 19:00:54,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:54,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:00:54,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:54,602 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:00:54,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 19:00:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 3909 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:00:55,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:00:55,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-12-06 19:00:55,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:00:55,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438510123] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:55,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:00:55,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2021-12-06 19:00:55,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047810365] [2021-12-06 19:00:55,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:55,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:00:55,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:55,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:00:55,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:00:55,614 INFO L87 Difference]: Start difference. First operand 33381 states and 45018 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:00:56,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:56,518 INFO L93 Difference]: Finished difference Result 66745 states and 90332 transitions. [2021-12-06 19:00:56,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:00:56,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 477 [2021-12-06 19:00:56,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:56,609 INFO L225 Difference]: With dead ends: 66745 [2021-12-06 19:00:56,609 INFO L226 Difference]: Without dead ends: 33381 [2021-12-06 19:00:56,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:00:56,673 INFO L933 BasicCegarLoop]: 2810 mSDtfsCounter, 2587 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2587 SdHoareTripleChecker+Valid, 2810 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:56,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2587 Valid, 2810 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:00:56,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33381 states. [2021-12-06 19:00:57,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33381 to 33381. [2021-12-06 19:00:57,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33381 states, 23419 states have (on average 1.2650839062299841) internal successors, (29627), 24577 states have internal predecessors, (29627), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2021-12-06 19:00:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33381 states to 33381 states and 44977 transitions. [2021-12-06 19:00:57,659 INFO L78 Accepts]: Start accepts. Automaton has 33381 states and 44977 transitions. Word has length 477 [2021-12-06 19:00:57,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:57,660 INFO L470 AbstractCegarLoop]: Abstraction has 33381 states and 44977 transitions. [2021-12-06 19:00:57,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:00:57,660 INFO L276 IsEmpty]: Start isEmpty. Operand 33381 states and 44977 transitions. [2021-12-06 19:00:57,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2021-12-06 19:00:57,666 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:57,667 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:57,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 19:00:57,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-06 19:00:57,869 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:00:57,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:57,870 INFO L85 PathProgramCache]: Analyzing trace with hash 2109558548, now seen corresponding path program 1 times [2021-12-06 19:00:57,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:57,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145985464] [2021-12-06 19:00:57,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:57,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:00:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:00:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:00:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:00:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:00:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:00:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:00:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:00:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:00:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:00:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:00:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:00:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:00:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:00:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:00:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:00:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:00:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:00:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:00:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:00:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:00:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:00:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 19:00:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:00:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 19:00:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 19:00:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:00:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:00:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:00:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:00:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 19:00:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 19:00:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2021-12-06 19:00:58,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:58,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145985464] [2021-12-06 19:00:58,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145985464] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:00:58,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433234166] [2021-12-06 19:00:58,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:58,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:00:58,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:58,209 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:00:58,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 19:00:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:58,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 3910 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:00:58,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:00:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-12-06 19:00:59,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:00:59,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433234166] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:59,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:00:59,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2021-12-06 19:00:59,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445189761] [2021-12-06 19:00:59,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:59,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:00:59,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:59,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:00:59,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:00:59,189 INFO L87 Difference]: Start difference. First operand 33381 states and 44977 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:00:59,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:59,979 INFO L93 Difference]: Finished difference Result 66745 states and 90250 transitions. [2021-12-06 19:00:59,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:00:59,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 478 [2021-12-06 19:00:59,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:01:00,061 INFO L225 Difference]: With dead ends: 66745 [2021-12-06 19:01:00,061 INFO L226 Difference]: Without dead ends: 33381 [2021-12-06 19:01:00,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:00,115 INFO L933 BasicCegarLoop]: 2809 mSDtfsCounter, 2585 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2585 SdHoareTripleChecker+Valid, 2809 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:01:00,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2585 Valid, 2809 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:01:00,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33381 states. [2021-12-06 19:01:00,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33381 to 33381. [2021-12-06 19:01:00,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33381 states, 23419 states have (on average 1.2633331909987617) internal successors, (29586), 24577 states have internal predecessors, (29586), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2021-12-06 19:01:01,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33381 states to 33381 states and 44936 transitions. [2021-12-06 19:01:01,082 INFO L78 Accepts]: Start accepts. Automaton has 33381 states and 44936 transitions. Word has length 478 [2021-12-06 19:01:01,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:01:01,082 INFO L470 AbstractCegarLoop]: Abstraction has 33381 states and 44936 transitions. [2021-12-06 19:01:01,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:01,083 INFO L276 IsEmpty]: Start isEmpty. Operand 33381 states and 44936 transitions. [2021-12-06 19:01:01,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2021-12-06 19:01:01,089 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:01:01,090 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:01:01,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-06 19:01:01,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:01,292 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:01:01,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:01,293 INFO L85 PathProgramCache]: Analyzing trace with hash -2007565301, now seen corresponding path program 1 times [2021-12-06 19:01:01,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:01,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152562045] [2021-12-06 19:01:01,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:01,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:01:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:01:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:01:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:01:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:01:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:01:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:01:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:01:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:01:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:01:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:01:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:01:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:01:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:01:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:01:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:01:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:01:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:01:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:01:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:01:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:01:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:01:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:01:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:01:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:01:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:01:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:01:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:01:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:01:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 19:01:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:01:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 19:01:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 19:01:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:01:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:01:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 19:01:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 19:01:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:01,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2021-12-06 19:01:01,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:01,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152562045] [2021-12-06 19:01:01,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152562045] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:01:01,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113077997] [2021-12-06 19:01:01,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:01,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:01,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:01:01,685 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:01:01,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 19:01:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:02,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 3911 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:01:02,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:01:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-12-06 19:01:02,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:01:02,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113077997] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:02,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:01:02,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2021-12-06 19:01:02,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416204563] [2021-12-06 19:01:02,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:02,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:01:02,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:02,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:01:02,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:02,715 INFO L87 Difference]: Start difference. First operand 33381 states and 44936 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:03,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:01:03,486 INFO L93 Difference]: Finished difference Result 66745 states and 90168 transitions. [2021-12-06 19:01:03,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:01:03,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 479 [2021-12-06 19:01:03,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:01:03,573 INFO L225 Difference]: With dead ends: 66745 [2021-12-06 19:01:03,574 INFO L226 Difference]: Without dead ends: 33381 [2021-12-06 19:01:03,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:03,646 INFO L933 BasicCegarLoop]: 2808 mSDtfsCounter, 2583 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2583 SdHoareTripleChecker+Valid, 2808 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:01:03,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2583 Valid, 2808 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:01:03,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33381 states. [2021-12-06 19:01:04,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33381 to 33381. [2021-12-06 19:01:04,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33381 states, 23419 states have (on average 1.2615824757675391) internal successors, (29545), 24577 states have internal predecessors, (29545), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2021-12-06 19:01:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33381 states to 33381 states and 44895 transitions. [2021-12-06 19:01:04,731 INFO L78 Accepts]: Start accepts. Automaton has 33381 states and 44895 transitions. Word has length 479 [2021-12-06 19:01:04,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:01:04,731 INFO L470 AbstractCegarLoop]: Abstraction has 33381 states and 44895 transitions. [2021-12-06 19:01:04,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:04,732 INFO L276 IsEmpty]: Start isEmpty. Operand 33381 states and 44895 transitions. [2021-12-06 19:01:04,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-12-06 19:01:04,739 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:01:04,739 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:01:04,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-06 19:01:04,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:04,941 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:01:04,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:04,942 INFO L85 PathProgramCache]: Analyzing trace with hash -674869136, now seen corresponding path program 1 times [2021-12-06 19:01:04,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:04,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513124797] [2021-12-06 19:01:04,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:04,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:01:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:01:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:01:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:01:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:01:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:01:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:01:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:01:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:01:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:01:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:01:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:01:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:01:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:01:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:01:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:01:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:01:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:01:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:01:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:01:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:01:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:01:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:01:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:01:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:01:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:01:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:01:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:01:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:01:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 19:01:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:01:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 19:01:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 19:01:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:01:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:01:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 19:01:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 19:01:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2021-12-06 19:01:05,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:05,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513124797] [2021-12-06 19:01:05,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513124797] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:01:05,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700966806] [2021-12-06 19:01:05,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:05,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:05,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:01:05,332 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:01:05,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 19:01:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:05,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 3912 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:01:05,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:01:06,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-12-06 19:01:06,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:01:06,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700966806] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:06,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:01:06,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2021-12-06 19:01:06,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83354094] [2021-12-06 19:01:06,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:06,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:01:06,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:06,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:01:06,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:06,298 INFO L87 Difference]: Start difference. First operand 33381 states and 44895 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:07,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:01:07,125 INFO L93 Difference]: Finished difference Result 66745 states and 90086 transitions. [2021-12-06 19:01:07,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:01:07,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 480 [2021-12-06 19:01:07,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:01:07,213 INFO L225 Difference]: With dead ends: 66745 [2021-12-06 19:01:07,213 INFO L226 Difference]: Without dead ends: 33381 [2021-12-06 19:01:07,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 600 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:07,277 INFO L933 BasicCegarLoop]: 2807 mSDtfsCounter, 2581 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2581 SdHoareTripleChecker+Valid, 2807 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:01:07,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2581 Valid, 2807 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:01:07,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33381 states. [2021-12-06 19:01:08,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33381 to 33381. [2021-12-06 19:01:08,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33381 states, 23419 states have (on average 1.2598317605363167) internal successors, (29504), 24577 states have internal predecessors, (29504), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2021-12-06 19:01:08,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33381 states to 33381 states and 44854 transitions. [2021-12-06 19:01:08,396 INFO L78 Accepts]: Start accepts. Automaton has 33381 states and 44854 transitions. Word has length 480 [2021-12-06 19:01:08,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:01:08,397 INFO L470 AbstractCegarLoop]: Abstraction has 33381 states and 44854 transitions. [2021-12-06 19:01:08,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:08,397 INFO L276 IsEmpty]: Start isEmpty. Operand 33381 states and 44854 transitions. [2021-12-06 19:01:08,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2021-12-06 19:01:08,404 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:01:08,404 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:01:08,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 19:01:08,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:08,606 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:01:08,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:08,608 INFO L85 PathProgramCache]: Analyzing trace with hash 2098522919, now seen corresponding path program 1 times [2021-12-06 19:01:08,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:08,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153589236] [2021-12-06 19:01:08,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:08,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:01:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:01:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:01:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:01:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:01:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:01:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:01:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:01:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:01:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:01:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:01:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:01:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:01:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:01:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:01:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:01:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:01:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:01:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:01:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:01:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:01:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:01:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:01:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:01:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:01:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:01:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:01:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:01:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:01:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 19:01:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:01:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 19:01:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 19:01:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:01:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:01:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 19:01:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 19:01:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:08,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2021-12-06 19:01:08,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:08,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153589236] [2021-12-06 19:01:08,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153589236] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:01:08,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169875959] [2021-12-06 19:01:08,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:08,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:08,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:01:08,997 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:01:08,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 19:01:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:09,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 3913 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:01:09,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:01:09,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-12-06 19:01:09,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:01:09,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169875959] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:09,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:01:09,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2021-12-06 19:01:09,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738615619] [2021-12-06 19:01:09,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:09,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:01:09,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:09,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:01:09,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:09,931 INFO L87 Difference]: Start difference. First operand 33381 states and 44854 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:10,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:01:10,855 INFO L93 Difference]: Finished difference Result 66745 states and 90004 transitions. [2021-12-06 19:01:10,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:01:10,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 481 [2021-12-06 19:01:10,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:01:10,931 INFO L225 Difference]: With dead ends: 66745 [2021-12-06 19:01:10,931 INFO L226 Difference]: Without dead ends: 33381 [2021-12-06 19:01:10,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:10,981 INFO L933 BasicCegarLoop]: 2806 mSDtfsCounter, 2579 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 2806 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:01:10,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2579 Valid, 2806 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:01:11,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33381 states. [2021-12-06 19:01:12,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33381 to 33381. [2021-12-06 19:01:12,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33381 states, 23419 states have (on average 1.2580810453050941) internal successors, (29463), 24577 states have internal predecessors, (29463), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2021-12-06 19:01:12,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33381 states to 33381 states and 44813 transitions. [2021-12-06 19:01:12,108 INFO L78 Accepts]: Start accepts. Automaton has 33381 states and 44813 transitions. Word has length 481 [2021-12-06 19:01:12,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:01:12,109 INFO L470 AbstractCegarLoop]: Abstraction has 33381 states and 44813 transitions. [2021-12-06 19:01:12,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:12,109 INFO L276 IsEmpty]: Start isEmpty. Operand 33381 states and 44813 transitions. [2021-12-06 19:01:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-12-06 19:01:12,115 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:01:12,116 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:01:12,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-06 19:01:12,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-12-06 19:01:12,317 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:01:12,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:12,319 INFO L85 PathProgramCache]: Analyzing trace with hash -2006119988, now seen corresponding path program 1 times [2021-12-06 19:01:12,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:12,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537230486] [2021-12-06 19:01:12,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:12,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:01:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:01:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:01:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:01:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:01:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:01:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:01:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:01:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:01:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:01:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:01:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:01:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:01:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:01:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:01:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:01:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:01:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:01:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:01:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:01:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:01:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:01:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:01:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:01:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:01:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:01:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:01:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:01:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:01:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 19:01:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:01:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 19:01:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 19:01:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:01:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:01:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 19:01:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 19:01:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:12,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2021-12-06 19:01:12,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:12,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537230486] [2021-12-06 19:01:12,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537230486] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:01:12,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813431568] [2021-12-06 19:01:12,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:12,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:12,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:01:12,685 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:01:12,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 19:01:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:13,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 3914 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:01:13,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:01:13,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-12-06 19:01:13,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:01:13,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813431568] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:13,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:01:13,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2021-12-06 19:01:13,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369032773] [2021-12-06 19:01:13,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:13,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:01:13,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:13,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:01:13,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:13,651 INFO L87 Difference]: Start difference. First operand 33381 states and 44813 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:14,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:01:14,612 INFO L93 Difference]: Finished difference Result 66745 states and 89922 transitions. [2021-12-06 19:01:14,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:01:14,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 482 [2021-12-06 19:01:14,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:01:14,696 INFO L225 Difference]: With dead ends: 66745 [2021-12-06 19:01:14,696 INFO L226 Difference]: Without dead ends: 33381 [2021-12-06 19:01:14,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 602 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:14,765 INFO L933 BasicCegarLoop]: 2805 mSDtfsCounter, 2577 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2577 SdHoareTripleChecker+Valid, 2805 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:01:14,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2577 Valid, 2805 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:01:14,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33381 states. [2021-12-06 19:01:15,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33381 to 33381. [2021-12-06 19:01:15,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33381 states, 23419 states have (on average 1.2563303300738717) internal successors, (29422), 24577 states have internal predecessors, (29422), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2021-12-06 19:01:16,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33381 states to 33381 states and 44772 transitions. [2021-12-06 19:01:16,014 INFO L78 Accepts]: Start accepts. Automaton has 33381 states and 44772 transitions. Word has length 482 [2021-12-06 19:01:16,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:01:16,015 INFO L470 AbstractCegarLoop]: Abstraction has 33381 states and 44772 transitions. [2021-12-06 19:01:16,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 33381 states and 44772 transitions. [2021-12-06 19:01:16,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2021-12-06 19:01:16,022 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:01:16,022 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:01:16,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 19:01:16,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:16,224 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:01:16,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:16,225 INFO L85 PathProgramCache]: Analyzing trace with hash -286514621, now seen corresponding path program 1 times [2021-12-06 19:01:16,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:16,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279007178] [2021-12-06 19:01:16,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:16,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:01:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:01:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:01:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:01:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:01:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:01:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:01:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:01:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:01:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:01:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:01:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:01:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:01:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:01:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:01:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:01:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:01:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:01:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:01:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:01:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:01:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:01:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:01:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:01:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:01:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:01:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:01:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:01:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:01:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 19:01:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:01:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 19:01:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 19:01:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:01:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:01:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 19:01:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 19:01:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2021-12-06 19:01:16,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:16,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279007178] [2021-12-06 19:01:16,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279007178] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:01:16,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457578847] [2021-12-06 19:01:16,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:16,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:16,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:01:16,564 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:01:16,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 19:01:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:17,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 3915 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:01:17,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:01:17,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-12-06 19:01:17,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:01:17,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457578847] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:17,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:01:17,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2021-12-06 19:01:17,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652842963] [2021-12-06 19:01:17,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:17,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:01:17,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:17,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:01:17,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:17,556 INFO L87 Difference]: Start difference. First operand 33381 states and 44772 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:18,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:01:18,574 INFO L93 Difference]: Finished difference Result 66745 states and 89840 transitions. [2021-12-06 19:01:18,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:01:18,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 483 [2021-12-06 19:01:18,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:01:18,657 INFO L225 Difference]: With dead ends: 66745 [2021-12-06 19:01:18,657 INFO L226 Difference]: Without dead ends: 33381 [2021-12-06 19:01:18,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:18,716 INFO L933 BasicCegarLoop]: 2804 mSDtfsCounter, 2575 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2575 SdHoareTripleChecker+Valid, 2804 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:01:18,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2575 Valid, 2804 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:01:18,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33381 states. [2021-12-06 19:01:19,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33381 to 33381. [2021-12-06 19:01:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33381 states, 23419 states have (on average 1.2545796148426491) internal successors, (29381), 24577 states have internal predecessors, (29381), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2021-12-06 19:01:19,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33381 states to 33381 states and 44731 transitions. [2021-12-06 19:01:19,983 INFO L78 Accepts]: Start accepts. Automaton has 33381 states and 44731 transitions. Word has length 483 [2021-12-06 19:01:19,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:01:19,984 INFO L470 AbstractCegarLoop]: Abstraction has 33381 states and 44731 transitions. [2021-12-06 19:01:19,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:19,984 INFO L276 IsEmpty]: Start isEmpty. Operand 33381 states and 44731 transitions. [2021-12-06 19:01:19,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2021-12-06 19:01:19,991 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:01:19,991 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:01:20,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 19:01:20,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-12-06 19:01:20,194 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:01:20,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:20,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1596160808, now seen corresponding path program 1 times [2021-12-06 19:01:20,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:20,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459679817] [2021-12-06 19:01:20,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:20,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:01:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:01:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:01:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:01:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:01:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:01:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:01:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:01:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:01:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:01:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:01:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:01:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:01:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:01:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:01:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:01:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:01:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:01:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:01:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:01:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:01:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:01:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:01:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:01:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:01:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:01:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:01:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:01:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:01:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 19:01:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:01:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 19:01:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 19:01:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:01:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:01:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 19:01:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 19:01:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:20,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2021-12-06 19:01:20,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:20,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459679817] [2021-12-06 19:01:20,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459679817] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:01:20,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125794037] [2021-12-06 19:01:20,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:20,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:20,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:01:20,551 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:01:20,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 19:01:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:21,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 3916 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:01:21,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:01:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-12-06 19:01:21,511 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:01:21,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125794037] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:21,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:01:21,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2021-12-06 19:01:21,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198597880] [2021-12-06 19:01:21,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:21,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:01:21,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:21,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:01:21,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:21,513 INFO L87 Difference]: Start difference. First operand 33381 states and 44731 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:22,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:01:22,582 INFO L93 Difference]: Finished difference Result 66745 states and 89758 transitions. [2021-12-06 19:01:22,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:01:22,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 484 [2021-12-06 19:01:22,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:01:22,666 INFO L225 Difference]: With dead ends: 66745 [2021-12-06 19:01:22,667 INFO L226 Difference]: Without dead ends: 33381 [2021-12-06 19:01:22,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 604 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:22,725 INFO L933 BasicCegarLoop]: 2803 mSDtfsCounter, 2573 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2573 SdHoareTripleChecker+Valid, 2803 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:01:22,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2573 Valid, 2803 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:01:22,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33381 states. [2021-12-06 19:01:23,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33381 to 33381. [2021-12-06 19:01:23,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33381 states, 23419 states have (on average 1.2528288996114265) internal successors, (29340), 24577 states have internal predecessors, (29340), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2021-12-06 19:01:24,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33381 states to 33381 states and 44690 transitions. [2021-12-06 19:01:24,028 INFO L78 Accepts]: Start accepts. Automaton has 33381 states and 44690 transitions. Word has length 484 [2021-12-06 19:01:24,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:01:24,029 INFO L470 AbstractCegarLoop]: Abstraction has 33381 states and 44690 transitions. [2021-12-06 19:01:24,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:24,029 INFO L276 IsEmpty]: Start isEmpty. Operand 33381 states and 44690 transitions. [2021-12-06 19:01:24,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2021-12-06 19:01:24,036 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:01:24,037 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:01:24,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-12-06 19:01:24,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-12-06 19:01:24,239 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:01:24,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:24,240 INFO L85 PathProgramCache]: Analyzing trace with hash -55926433, now seen corresponding path program 1 times [2021-12-06 19:01:24,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:24,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127883884] [2021-12-06 19:01:24,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:24,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:01:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:01:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:01:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:01:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:01:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:01:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:01:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:01:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:01:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:01:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:01:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:01:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:01:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:01:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:01:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:01:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:01:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:01:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:01:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:01:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:01:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:01:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:01:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:01:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:01:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:01:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:01:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:01:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:01:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 19:01:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:01:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 19:01:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 19:01:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:01:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:01:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 19:01:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 19:01:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:24,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2021-12-06 19:01:24,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:24,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127883884] [2021-12-06 19:01:24,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127883884] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:01:24,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516409386] [2021-12-06 19:01:24,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:24,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:24,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:01:24,574 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:01:24,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 19:01:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:25,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 3917 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:01:25,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:01:25,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-12-06 19:01:25,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:01:25,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516409386] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:25,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:01:25,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2021-12-06 19:01:25,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291543060] [2021-12-06 19:01:25,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:25,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:01:25,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:25,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:01:25,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:25,527 INFO L87 Difference]: Start difference. First operand 33381 states and 44690 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 2 states have internal predecessors, (153), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:26,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:01:26,871 INFO L93 Difference]: Finished difference Result 66745 states and 89676 transitions. [2021-12-06 19:01:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:01:26,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 2 states have internal predecessors, (153), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 485 [2021-12-06 19:01:26,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:01:26,955 INFO L225 Difference]: With dead ends: 66745 [2021-12-06 19:01:26,955 INFO L226 Difference]: Without dead ends: 33381 [2021-12-06 19:01:27,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:27,016 INFO L933 BasicCegarLoop]: 2802 mSDtfsCounter, 2571 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 2802 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:01:27,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2571 Valid, 2802 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:01:27,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33381 states. [2021-12-06 19:01:28,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33381 to 33381. [2021-12-06 19:01:28,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33381 states, 23419 states have (on average 1.2510781843802041) internal successors, (29299), 24577 states have internal predecessors, (29299), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2021-12-06 19:01:28,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33381 states to 33381 states and 44649 transitions. [2021-12-06 19:01:28,365 INFO L78 Accepts]: Start accepts. Automaton has 33381 states and 44649 transitions. Word has length 485 [2021-12-06 19:01:28,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:01:28,366 INFO L470 AbstractCegarLoop]: Abstraction has 33381 states and 44649 transitions. [2021-12-06 19:01:28,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 2 states have internal predecessors, (153), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:28,366 INFO L276 IsEmpty]: Start isEmpty. Operand 33381 states and 44649 transitions. [2021-12-06 19:01:28,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2021-12-06 19:01:28,372 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:01:28,373 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:01:28,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-06 19:01:28,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-12-06 19:01:28,574 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:01:28,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:28,576 INFO L85 PathProgramCache]: Analyzing trace with hash 383493252, now seen corresponding path program 1 times [2021-12-06 19:01:28,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:28,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119462573] [2021-12-06 19:01:28,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:28,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:01:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:01:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:01:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:01:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:01:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:01:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:01:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:01:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:01:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:01:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:01:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:01:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:01:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:01:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:01:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:01:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:01:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:01:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:01:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:01:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:01:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:01:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:01:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:01:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:01:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:01:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:01:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:01:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:01:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 19:01:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:01:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 19:01:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 19:01:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:01:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:01:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 19:01:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 19:01:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:28,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2021-12-06 19:01:28,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:28,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119462573] [2021-12-06 19:01:28,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119462573] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:01:28,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311158986] [2021-12-06 19:01:28,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:28,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:28,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:01:28,927 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:01:28,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-06 19:01:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:29,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 3918 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:01:29,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:01:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-12-06 19:01:29,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:01:29,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311158986] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:29,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:01:29,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2021-12-06 19:01:29,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033196263] [2021-12-06 19:01:29,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:29,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:01:29,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:29,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:01:29,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:29,937 INFO L87 Difference]: Start difference. First operand 33381 states and 44649 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:31,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:01:31,099 INFO L93 Difference]: Finished difference Result 66745 states and 89594 transitions. [2021-12-06 19:01:31,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:01:31,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 486 [2021-12-06 19:01:31,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:01:31,185 INFO L225 Difference]: With dead ends: 66745 [2021-12-06 19:01:31,185 INFO L226 Difference]: Without dead ends: 33381 [2021-12-06 19:01:31,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:31,246 INFO L933 BasicCegarLoop]: 2801 mSDtfsCounter, 2569 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 2801 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:01:31,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2569 Valid, 2801 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:01:31,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33381 states. [2021-12-06 19:01:32,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33381 to 33381. [2021-12-06 19:01:32,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33381 states, 23419 states have (on average 1.2493274691489815) internal successors, (29258), 24577 states have internal predecessors, (29258), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2021-12-06 19:01:32,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33381 states to 33381 states and 44608 transitions. [2021-12-06 19:01:32,834 INFO L78 Accepts]: Start accepts. Automaton has 33381 states and 44608 transitions. Word has length 486 [2021-12-06 19:01:32,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:01:32,834 INFO L470 AbstractCegarLoop]: Abstraction has 33381 states and 44608 transitions. [2021-12-06 19:01:32,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:32,834 INFO L276 IsEmpty]: Start isEmpty. Operand 33381 states and 44608 transitions. [2021-12-06 19:01:32,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2021-12-06 19:01:32,840 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:01:32,840 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:01:32,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-06 19:01:33,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-12-06 19:01:33,042 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:01:33,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:33,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1235118203, now seen corresponding path program 1 times [2021-12-06 19:01:33,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:33,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737141378] [2021-12-06 19:01:33,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:33,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:01:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:01:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:01:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:01:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:01:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:01:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:01:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:01:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:01:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:01:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:01:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:01:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:01:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:01:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:01:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:01:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:01:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:01:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:01:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:01:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:01:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:01:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:01:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:01:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:01:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:01:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:01:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:01:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:01:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 19:01:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:01:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 19:01:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 19:01:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:01:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:01:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 19:01:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 19:01:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2021-12-06 19:01:33,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:33,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737141378] [2021-12-06 19:01:33,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737141378] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:01:33,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080935933] [2021-12-06 19:01:33,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:33,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:33,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:01:33,367 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:01:33,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-06 19:01:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:33,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 3919 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:01:33,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:01:34,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-12-06 19:01:34,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:01:34,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080935933] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:34,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:01:34,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2021-12-06 19:01:34,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941175456] [2021-12-06 19:01:34,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:34,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:01:34,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:34,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:01:34,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:34,405 INFO L87 Difference]: Start difference. First operand 33381 states and 44608 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:35,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:01:35,683 INFO L93 Difference]: Finished difference Result 66745 states and 89512 transitions. [2021-12-06 19:01:35,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:01:35,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 487 [2021-12-06 19:01:35,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:01:35,764 INFO L225 Difference]: With dead ends: 66745 [2021-12-06 19:01:35,764 INFO L226 Difference]: Without dead ends: 33381 [2021-12-06 19:01:35,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 607 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:35,820 INFO L933 BasicCegarLoop]: 2800 mSDtfsCounter, 2567 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2567 SdHoareTripleChecker+Valid, 2800 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:01:35,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2567 Valid, 2800 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:01:35,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33381 states. [2021-12-06 19:01:37,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33381 to 33381. [2021-12-06 19:01:37,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33381 states, 23419 states have (on average 1.2475767539177591) internal successors, (29217), 24577 states have internal predecessors, (29217), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2021-12-06 19:01:37,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33381 states to 33381 states and 44567 transitions. [2021-12-06 19:01:37,448 INFO L78 Accepts]: Start accepts. Automaton has 33381 states and 44567 transitions. Word has length 487 [2021-12-06 19:01:37,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:01:37,448 INFO L470 AbstractCegarLoop]: Abstraction has 33381 states and 44567 transitions. [2021-12-06 19:01:37,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:37,448 INFO L276 IsEmpty]: Start isEmpty. Operand 33381 states and 44567 transitions. [2021-12-06 19:01:37,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2021-12-06 19:01:37,454 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:01:37,454 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:01:37,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-12-06 19:01:37,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-12-06 19:01:37,656 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:01:37,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:37,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1980204512, now seen corresponding path program 1 times [2021-12-06 19:01:37,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:37,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461115803] [2021-12-06 19:01:37,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:37,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:01:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:01:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:01:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:01:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:01:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:01:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:01:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:01:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:01:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:01:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:01:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:01:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:01:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:01:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:01:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:01:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:01:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:01:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:01:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:01:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:01:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:01:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:01:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:01:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:01:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:01:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:01:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:01:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:01:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 19:01:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:01:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 19:01:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 19:01:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:01:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:01:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 19:01:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 19:01:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:37,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2021-12-06 19:01:37,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:37,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461115803] [2021-12-06 19:01:37,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461115803] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:01:37,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617250] [2021-12-06 19:01:37,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:37,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:37,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:01:37,985 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:01:38,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-06 19:01:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:38,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 3920 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:01:38,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:01:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-12-06 19:01:39,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:01:39,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617250] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:39,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:01:39,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2021-12-06 19:01:39,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470659001] [2021-12-06 19:01:39,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:39,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:01:39,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:39,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:01:39,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:39,108 INFO L87 Difference]: Start difference. First operand 33381 states and 44567 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:40,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:01:40,391 INFO L93 Difference]: Finished difference Result 66745 states and 89430 transitions. [2021-12-06 19:01:40,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:01:40,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 488 [2021-12-06 19:01:40,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:01:40,474 INFO L225 Difference]: With dead ends: 66745 [2021-12-06 19:01:40,474 INFO L226 Difference]: Without dead ends: 33381 [2021-12-06 19:01:40,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 608 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:40,529 INFO L933 BasicCegarLoop]: 2799 mSDtfsCounter, 2565 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2565 SdHoareTripleChecker+Valid, 2799 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:01:40,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2565 Valid, 2799 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:01:40,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33381 states. [2021-12-06 19:01:41,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33381 to 33381. [2021-12-06 19:01:41,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33381 states, 23419 states have (on average 1.2458260386865365) internal successors, (29176), 24577 states have internal predecessors, (29176), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2021-12-06 19:01:41,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33381 states to 33381 states and 44526 transitions. [2021-12-06 19:01:41,994 INFO L78 Accepts]: Start accepts. Automaton has 33381 states and 44526 transitions. Word has length 488 [2021-12-06 19:01:41,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:01:41,995 INFO L470 AbstractCegarLoop]: Abstraction has 33381 states and 44526 transitions. [2021-12-06 19:01:41,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:41,995 INFO L276 IsEmpty]: Start isEmpty. Operand 33381 states and 44526 transitions. [2021-12-06 19:01:42,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2021-12-06 19:01:42,000 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:01:42,001 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:01:42,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-12-06 19:01:42,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:42,202 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:01:42,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:42,204 INFO L85 PathProgramCache]: Analyzing trace with hash -577407081, now seen corresponding path program 1 times [2021-12-06 19:01:42,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:42,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015088409] [2021-12-06 19:01:42,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:42,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:01:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:01:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:01:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:01:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:01:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:01:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:01:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:01:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:01:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:01:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:01:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:01:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:01:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:01:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:01:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:01:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:01:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:01:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:01:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:01:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:01:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:01:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:01:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:01:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:01:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:01:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:01:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:01:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:01:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 19:01:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:01:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 19:01:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 19:01:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:01:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:01:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 19:01:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 19:01:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:42,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2021-12-06 19:01:42,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:42,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015088409] [2021-12-06 19:01:42,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015088409] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:01:42,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313730775] [2021-12-06 19:01:42,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:42,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:42,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:01:42,545 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:01:42,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-06 19:01:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:43,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 3921 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:01:43,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:01:43,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2021-12-06 19:01:43,634 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:01:43,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313730775] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:43,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:01:43,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2021-12-06 19:01:43,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352177115] [2021-12-06 19:01:43,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:43,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:01:43,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:43,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:01:43,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:43,636 INFO L87 Difference]: Start difference. First operand 33381 states and 44526 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:44,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:01:44,954 INFO L93 Difference]: Finished difference Result 66745 states and 89348 transitions. [2021-12-06 19:01:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:01:44,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) Word has length 489 [2021-12-06 19:01:44,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:01:45,038 INFO L225 Difference]: With dead ends: 66745 [2021-12-06 19:01:45,038 INFO L226 Difference]: Without dead ends: 33381 [2021-12-06 19:01:45,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:45,094 INFO L933 BasicCegarLoop]: 2798 mSDtfsCounter, 2563 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2563 SdHoareTripleChecker+Valid, 2798 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:01:45,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2563 Valid, 2798 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:01:45,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33381 states. [2021-12-06 19:01:46,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33381 to 33381. [2021-12-06 19:01:46,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33381 states, 23419 states have (on average 1.2440753234553141) internal successors, (29135), 24577 states have internal predecessors, (29135), 7658 states have call successors, (7658), 2289 states have call predecessors, (7658), 2303 states have return successors, (7692), 7408 states have call predecessors, (7692), 7658 states have call successors, (7692) [2021-12-06 19:01:46,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33381 states to 33381 states and 44485 transitions. [2021-12-06 19:01:46,605 INFO L78 Accepts]: Start accepts. Automaton has 33381 states and 44485 transitions. Word has length 489 [2021-12-06 19:01:46,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:01:46,649 INFO L470 AbstractCegarLoop]: Abstraction has 33381 states and 44485 transitions. [2021-12-06 19:01:46,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 1 states have call successors, (45), 1 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 1 states have call successors, (40) [2021-12-06 19:01:46,649 INFO L276 IsEmpty]: Start isEmpty. Operand 33381 states and 44485 transitions. [2021-12-06 19:01:46,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2021-12-06 19:01:46,653 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:01:46,653 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:01:46,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-12-06 19:01:46,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:46,855 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:01:46,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:46,856 INFO L85 PathProgramCache]: Analyzing trace with hash -548777930, now seen corresponding path program 1 times [2021-12-06 19:01:46,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:46,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125110898] [2021-12-06 19:01:46,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:46,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:01:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:01:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:01:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:01:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:01:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:01:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:01:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:01:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:01:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:01:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:01:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:01:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:01:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:01:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:01:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:01:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:01:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:01:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:01:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:01:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:01:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:01:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:01:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:01:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:01:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:01:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-06 19:01:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:01:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:01:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 19:01:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:01:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 19:01:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 19:01:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:01:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:01:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 19:01:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 19:01:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 95 proven. 28 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2021-12-06 19:01:47,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:47,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125110898] [2021-12-06 19:01:47,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125110898] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:01:47,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066250166] [2021-12-06 19:01:47,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:47,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:01:47,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:01:47,190 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:01:47,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-06 19:01:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:47,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 3920 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 19:01:47,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:01:48,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 1180 trivial. 0 not checked. [2021-12-06 19:01:48,042 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:01:48,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066250166] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:48,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:01:48,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2021-12-06 19:01:48,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360215354] [2021-12-06 19:01:48,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:48,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:01:48,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:48,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:01:48,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-12-06 19:01:48,045 INFO L87 Difference]: Start difference. First operand 33381 states and 44485 transitions. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 4 states have internal predecessors, (172), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-12-06 19:01:49,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:01:49,563 INFO L93 Difference]: Finished difference Result 68807 states and 91720 transitions. [2021-12-06 19:01:49,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:01:49,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 4 states have internal predecessors, (172), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 489 [2021-12-06 19:01:49,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:01:49,652 INFO L225 Difference]: With dead ends: 68807 [2021-12-06 19:01:49,652 INFO L226 Difference]: Without dead ends: 35443 [2021-12-06 19:01:49,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 618 GetRequests, 608 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-12-06 19:01:49,712 INFO L933 BasicCegarLoop]: 3264 mSDtfsCounter, 2475 mSDsluCounter, 8148 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2475 SdHoareTripleChecker+Valid, 11412 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:01:49,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2475 Valid, 11412 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:01:49,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35443 states. [2021-12-06 19:01:51,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35443 to 35429. [2021-12-06 19:01:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35429 states, 24899 states have (on average 1.245230732157918) internal successors, (31005), 26133 states have internal predecessors, (31005), 8085 states have call successors, (8085), 2430 states have call predecessors, (8085), 2444 states have return successors, (8119), 7819 states have call predecessors, (8119), 8085 states have call successors, (8119) [2021-12-06 19:01:51,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35429 states to 35429 states and 47209 transitions. [2021-12-06 19:01:51,368 INFO L78 Accepts]: Start accepts. Automaton has 35429 states and 47209 transitions. Word has length 489 [2021-12-06 19:01:51,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:01:51,369 INFO L470 AbstractCegarLoop]: Abstraction has 35429 states and 47209 transitions. [2021-12-06 19:01:51,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 4 states have internal predecessors, (172), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-12-06 19:01:51,369 INFO L276 IsEmpty]: Start isEmpty. Operand 35429 states and 47209 transitions. [2021-12-06 19:01:51,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2021-12-06 19:01:51,375 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:01:51,375 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 13, 13, 13, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:01:51,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-12-06 19:01:51,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9efb7d-578e-4819-b550-6a3d870e7879/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-12-06 19:01:51,577 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:01:51,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:51,579 INFO L85 PathProgramCache]: Analyzing trace with hash -398520917, now seen corresponding path program 1 times [2021-12-06 19:01:51,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:51,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195099077] [2021-12-06 19:01:51,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:51,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:01:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:01:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:01:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:01:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:01:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:01:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:01:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:01:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:01:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:01:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:01:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:01:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:01:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:01:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:01:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:01:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:01:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:01:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:01:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:01:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:01:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:01:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:01:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:01:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:01:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:01:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-06 19:01:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-06 19:01:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:01:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-06 19:01:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-06 19:01:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-06 19:01:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:01:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-12-06 19:01:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-06 19:01:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-06 19:01:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-12-06 19:01:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-06 19:01:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 1281 trivial. 0 not checked. [2021-12-06 19:01:51,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:51,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195099077] [2021-12-06 19:01:51,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195099077] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:51,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:01:51,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:01:51,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376606378] [2021-12-06 19:01:51,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:51,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:01:51,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:51,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:01:51,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:01:51,904 INFO L87 Difference]: Start difference. First operand 35429 states and 47209 transitions. Second operand has 4 states, 4 states have (on average 43.5) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-06 19:01:55,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:01:55,473 INFO L93 Difference]: Finished difference Result 76069 states and 101872 transitions. [2021-12-06 19:01:55,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:01:55,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 505 [2021-12-06 19:01:55,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:01:55,570 INFO L225 Difference]: With dead ends: 76069 [2021-12-06 19:01:55,570 INFO L226 Difference]: Without dead ends: 40657 [2021-12-06 19:01:55,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:01:55,624 INFO L933 BasicCegarLoop]: 3721 mSDtfsCounter, 1773 mSDsluCounter, 3674 mSDsCounter, 0 mSdLazyCounter, 1686 mSolverCounterSat, 856 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2155 SdHoareTripleChecker+Valid, 7395 SdHoareTripleChecker+Invalid, 2542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 856 IncrementalHoareTripleChecker+Valid, 1686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-06 19:01:55,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2155 Valid, 7395 Invalid, 2542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [856 Valid, 1686 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-06 19:01:55,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40657 states. [2021-12-06 19:01:57,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40657 to 38175. [2021-12-06 19:01:57,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38175 states, 26811 states have (on average 1.2437805378389466) internal successors, (33347), 28136 states have internal predecessors, (33347), 8705 states have call successors, (8705), 2644 states have call predecessors, (8705), 2658 states have return successors, (8739), 8419 states have call predecessors, (8739), 8705 states have call successors, (8739) [2021-12-06 19:01:57,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38175 states to 38175 states and 50791 transitions. [2021-12-06 19:01:57,451 INFO L78 Accepts]: Start accepts. Automaton has 38175 states and 50791 transitions. Word has length 505 [2021-12-06 19:01:57,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:01:57,451 INFO L470 AbstractCegarLoop]: Abstraction has 38175 states and 50791 transitions. [2021-12-06 19:01:57,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-06 19:01:57,452 INFO L276 IsEmpty]: Start isEmpty. Operand 38175 states and 50791 transitions. [2021-12-06 19:01:57,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2021-12-06 19:01:57,458 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:01:57,458 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 13, 13, 13, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:01:57,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-12-06 19:01:57,458 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:01:57,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:57,459 INFO L85 PathProgramCache]: Analyzing trace with hash -545852251, now seen corresponding path program 1 times [2021-12-06 19:01:57,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:57,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104545034] [2021-12-06 19:01:57,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:57,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:01:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:01:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:01:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:01:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:01:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:01:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 19:01:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 19:01:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:01:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:01:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:01:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:01:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:01:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 19:01:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 19:01:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 19:01:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 19:01:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 19:01:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 19:01:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:01:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 19:01:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:01:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:01:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:01:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 19:01:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 19:01:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-06 19:01:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-06 19:01:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:01:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-06 19:01:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-06 19:01:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-06 19:01:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-06 19:01:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-06 19:01:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 19:01:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:01:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:01:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-12-06 19:01:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-06 19:01:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-06 19:01:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:57,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1353 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2021-12-06 19:01:57,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:57,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104545034] [2021-12-06 19:01:57,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104545034] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:57,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:01:57,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:01:57,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77378593] [2021-12-06 19:01:57,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:57,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:01:57,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:57,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:01:57,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:01:57,824 INFO L87 Difference]: Start difference. First operand 38175 states and 50791 transitions. Second operand has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2021-12-06 19:02:01,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:02:01,093 INFO L93 Difference]: Finished difference Result 40747 states and 54757 transitions. [2021-12-06 19:02:01,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:02:01,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 506 [2021-12-06 19:02:01,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:02:01,096 INFO L225 Difference]: With dead ends: 40747 [2021-12-06 19:02:01,096 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 19:02:01,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 19:02:01,158 INFO L933 BasicCegarLoop]: 2603 mSDtfsCounter, 574 mSDsluCounter, 7446 mSDsCounter, 0 mSdLazyCounter, 2767 mSolverCounterSat, 588 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 782 SdHoareTripleChecker+Valid, 10049 SdHoareTripleChecker+Invalid, 3355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 588 IncrementalHoareTripleChecker+Valid, 2767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-06 19:02:01,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [782 Valid, 10049 Invalid, 3355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [588 Valid, 2767 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-06 19:02:01,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 19:02:01,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 19:02:01,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:02:01,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 19:02:01,174 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 506 [2021-12-06 19:02:01,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:02:01,175 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:02:01,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2021-12-06 19:02:01,175 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 19:02:01,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 19:02:01,177 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 19:02:01,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-12-06 19:02:01,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 19:02:17,060 WARN L227 SmtUtils]: Spent 13.79s on a formula simplification. DAG size of input: 78 DAG size of output: 46 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:03:10,513 WARN L227 SmtUtils]: Spent 53.45s on a formula simplification. DAG size of input: 81 DAG size of output: 75 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:03:41,095 WARN L227 SmtUtils]: Spent 30.58s on a formula simplification. DAG size of input: 81 DAG size of output: 73 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:03:56,004 WARN L227 SmtUtils]: Spent 14.90s on a formula simplification. DAG size of input: 81 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:04:17,699 WARN L227 SmtUtils]: Spent 21.67s on a formula simplification. DAG size of input: 77 DAG size of output: 73 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:07:31,635 WARN L227 SmtUtils]: Spent 3.23m on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:07:45,329 WARN L227 SmtUtils]: Spent 13.63s on a formula simplification. DAG size of input: 79 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:07:58,950 WARN L227 SmtUtils]: Spent 13.62s on a formula simplification. DAG size of input: 79 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:08:13,520 WARN L227 SmtUtils]: Spent 13.68s on a formula simplification. DAG size of input: 79 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:09:40,526 WARN L227 SmtUtils]: Spent 1.45m on a formula simplification. DAG size of input: 85 DAG size of output: 81 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:10:10,678 WARN L227 SmtUtils]: Spent 30.14s on a formula simplification. DAG size of input: 81 DAG size of output: 73 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:10:18,083 WARN L227 SmtUtils]: Spent 7.40s on a formula simplification. DAG size of input: 75 DAG size of output: 43 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:10:45,510 WARN L227 SmtUtils]: Spent 27.42s on a formula simplification. DAG size of input: 93 DAG size of output: 61 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:11:02,414 WARN L227 SmtUtils]: Spent 16.90s on a formula simplification. DAG size of input: 81 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:11:17,220 WARN L227 SmtUtils]: Spent 13.67s on a formula simplification. DAG size of input: 79 DAG size of output: 59 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:11:45,059 WARN L227 SmtUtils]: Spent 27.83s on a formula simplification. DAG size of input: 93 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:11:59,350 WARN L227 SmtUtils]: Spent 13.71s on a formula simplification. DAG size of input: 78 DAG size of output: 46 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:12:13,081 WARN L227 SmtUtils]: Spent 13.73s on a formula simplification. DAG size of input: 75 DAG size of output: 43 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:12:36,551 WARN L227 SmtUtils]: Spent 21.53s on a formula simplification. DAG size of input: 81 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 19:12:50,761 WARN L227 SmtUtils]: Spent 14.04s on a formula simplification. DAG size of input: 78 DAG size of output: 46 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)