./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a --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 4bcb37c4379f8eccb740fb6c6359bb8950e56f103e832e8f7687e811a6b9e6cf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:45:06,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:45:06,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:45:06,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:45:06,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:45:06,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:45:06,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:45:06,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:45:06,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:45:06,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:45:06,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:45:06,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:45:06,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:45:06,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:45:06,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:45:06,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:45:06,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:45:06,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:45:06,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:45:06,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:45:06,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:45:06,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:45:06,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:45:06,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:45:06,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:45:06,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:45:06,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:45:06,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:45:06,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:45:06,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:45:06,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:45:06,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:45:06,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:45:06,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:45:06,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:45:06,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:45:06,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:45:06,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:45:06,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:45:06,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:45:06,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:45:06,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:45:06,869 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:45:06,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:45:06,869 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:45:06,870 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:45:06,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:45:06,871 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:45:06,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:45:06,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:45:06,890 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:45:06,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:45:06,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:45:06,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:45:06,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:45:06,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:45:06,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:45:06,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:45:06,892 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:45:06,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:45:06,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:45:06,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:45:06,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:45:06,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:45:06,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:45:06,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:45:06,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:45:06,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:45:06,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:45:06,894 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:45:06,894 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:45:06,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:45:06,894 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_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bcb37c4379f8eccb740fb6c6359bb8950e56f103e832e8f7687e811a6b9e6cf [2022-11-21 16:45:07,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:45:07,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:45:07,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:45:07,175 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:45:07,175 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:45:07,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-11-21 16:45:10,158 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:45:10,827 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:45:10,830 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-11-21 16:45:10,893 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a/data/06d51ef19/70180af6cca94af59afa301be1355f22/FLAG0e0db918d [2022-11-21 16:45:10,911 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a/data/06d51ef19/70180af6cca94af59afa301be1355f22 [2022-11-21 16:45:10,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:45:10,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:45:10,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:45:10,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:45:10,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:45:10,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:45:10" (1/1) ... [2022-11-21 16:45:10,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c022322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:10, skipping insertion in model container [2022-11-21 16:45:10,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:45:10" (1/1) ... [2022-11-21 16:45:10,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:45:11,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:45:14,098 WARN L237 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_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[345848,345861] [2022-11-21 16:45:14,102 WARN L237 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_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[345993,346006] [2022-11-21 16:45:14,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:45:14,184 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:45:14,633 WARN L237 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_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[345848,345861] [2022-11-21 16:45:14,633 WARN L237 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_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[345993,346006] [2022-11-21 16:45:14,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:45:14,831 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:45:14,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:14 WrapperNode [2022-11-21 16:45:14,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:45:14,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:45:14,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:45:14,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:45:14,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:14" (1/1) ... [2022-11-21 16:45:14,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:14" (1/1) ... [2022-11-21 16:45:15,128 INFO L138 Inliner]: procedures = 442, calls = 2346, calls flagged for inlining = 211, calls inlined = 196, statements flattened = 5326 [2022-11-21 16:45:15,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:45:15,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:45:15,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:45:15,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:45:15,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:14" (1/1) ... [2022-11-21 16:45:15,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:14" (1/1) ... [2022-11-21 16:45:15,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:14" (1/1) ... [2022-11-21 16:45:15,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:14" (1/1) ... [2022-11-21 16:45:15,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:14" (1/1) ... [2022-11-21 16:45:15,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:14" (1/1) ... [2022-11-21 16:45:15,443 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:14" (1/1) ... [2022-11-21 16:45:15,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:14" (1/1) ... [2022-11-21 16:45:15,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:45:15,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:45:15,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:45:15,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:45:15,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:14" (1/1) ... [2022-11-21 16:45:15,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:45:15,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:45:15,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:45:15,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:45:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2022-11-21 16:45:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2022-11-21 16:45:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-21 16:45:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-21 16:45:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 16:45:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 16:45:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-21 16:45:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-21 16:45:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2022-11-21 16:45:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2022-11-21 16:45:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2022-11-21 16:45:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2022-11-21 16:45:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 16:45:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 16:45:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2022-11-21 16:45:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2022-11-21 16:45:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-21 16:45:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-21 16:45:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tlan_priv [2022-11-21 16:45:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tlan_priv [2022-11-21 16:45:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2022-11-21 16:45:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2022-11-21 16:45:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2022-11-21 16:45:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2022-11-21 16:45:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-21 16:45:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-21 16:45:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-21 16:45:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-21 16:45:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-21 16:45:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-21 16:45:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 16:45:15,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 16:45:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-21 16:45:15,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-21 16:45:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:45:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-21 16:45:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-21 16:45:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2022-11-21 16:45:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2022-11-21 16:45:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_close [2022-11-21 16:45:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_close [2022-11-21 16:45:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-21 16:45:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-21 16:45:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2022-11-21 16:45:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2022-11-21 16:45:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-21 16:45:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-21 16:45:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tlan_priv [2022-11-21 16:45:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tlan_priv [2022-11-21 16:45:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2022-11-21 16:45:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2022-11-21 16:45:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2022-11-21 16:45:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2022-11-21 16:45:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-21 16:45:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-21 16:45:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:45:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-21 16:45:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-21 16:45:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-21 16:45:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-21 16:45:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-21 16:45:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-21 16:45:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-21 16:45:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-21 16:45:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 16:45:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 16:45:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2022-11-21 16:45:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2022-11-21 16:45:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2022-11-21 16:45:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2022-11-21 16:45:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-21 16:45:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-21 16:45:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-21 16:45:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-21 16:45:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2022-11-21 16:45:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2022-11-21 16:45:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2022-11-21 16:45:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2022-11-21 16:45:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2022-11-21 16:45:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2022-11-21 16:45:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:45:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-11-21 16:45:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-11-21 16:45:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2022-11-21 16:45:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2022-11-21 16:45:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-21 16:45:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-21 16:45:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2022-11-21 16:45:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2022-11-21 16:45:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:45:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-21 16:45:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-21 16:45:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-21 16:45:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-21 16:45:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:45:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 16:45:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:45:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:45:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2022-11-21 16:45:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2022-11-21 16:45:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-21 16:45:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-21 16:45:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-21 16:45:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-21 16:45:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-21 16:45:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-21 16:45:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 16:45:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 16:45:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2022-11-21 16:45:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2022-11-21 16:45:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-21 16:45:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-21 16:45:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-11-21 16:45:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-11-21 16:45:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2022-11-21 16:45:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2022-11-21 16:45:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2022-11-21 16:45:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2022-11-21 16:45:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_detect [2022-11-21 16:45:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_detect [2022-11-21 16:45:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:45:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:45:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-11-21 16:45:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-11-21 16:45:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 16:45:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 16:45:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_exit [2022-11-21 16:45:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_exit [2022-11-21 16:45:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-21 16:45:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-21 16:45:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-11-21 16:45:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-11-21 16:45:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2022-11-21 16:45:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2022-11-21 16:45:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2022-11-21 16:45:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2022-11-21 16:45:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-21 16:45:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-21 16:45:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-21 16:45:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-21 16:45:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-21 16:45:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-21 16:45:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-21 16:45:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-21 16:45:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:45:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2022-11-21 16:45:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2022-11-21 16:45:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-21 16:45:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-21 16:45:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:45:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-21 16:45:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-21 16:45:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_eisa_cleanup [2022-11-21 16:45:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_eisa_cleanup [2022-11-21 16:45:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:45:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2022-11-21 16:45:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2022-11-21 16:45:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2022-11-21 16:45:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2022-11-21 16:45:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-21 16:45:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-21 16:45:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-21 16:45:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-21 16:45:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-21 16:45:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-21 16:45:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-21 16:45:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-21 16:45:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-21 16:45:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-21 16:45:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2022-11-21 16:45:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2022-11-21 16:45:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2022-11-21 16:45:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2022-11-21 16:45:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-21 16:45:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-21 16:45:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-21 16:45:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-21 16:45:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2022-11-21 16:45:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2022-11-21 16:45:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-21 16:45:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-21 16:45:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2022-11-21 16:45:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2022-11-21 16:45:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2022-11-21 16:45:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2022-11-21 16:45:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:45:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2022-11-21 16:45:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2022-11-21 16:45:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 16:45:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 16:45:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2022-11-21 16:45:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2022-11-21 16:45:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-21 16:45:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-21 16:45:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2022-11-21 16:45:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2022-11-21 16:45:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2022-11-21 16:45:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2022-11-21 16:45:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2022-11-21 16:45:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2022-11-21 16:45:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_97 [2022-11-21 16:45:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_97 [2022-11-21 16:45:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-21 16:45:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-21 16:45:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_open [2022-11-21 16:45:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_open [2022-11-21 16:45:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-21 16:45:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-21 16:45:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-21 16:45:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-21 16:45:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-21 16:45:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-21 16:45:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:45:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-21 16:45:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-11-21 16:45:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-11-21 16:45:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-21 16:45:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-21 16:45:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-21 16:45:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-21 16:45:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-21 16:45:15,661 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-21 16:45:16,713 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:45:16,719 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:45:17,721 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 16:45:21,235 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6907-1: tlan_eisa_probe_~tmp___0~12#1 := tlan_eisa_probe_#t~ret325#1;havoc tlan_eisa_probe_#t~ret325#1;havoc tlan_eisa_probe_#t~nondet326#1; [2022-11-21 16:45:21,235 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6907: SUMMARY for call tlan_eisa_probe_#t~ret325#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-21 16:45:21,235 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: assume 64 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-11-21 16:45:21,235 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: assume !(64 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2022-11-21 16:45:21,236 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6975: tlan_eisa_probe_~irq~0#1 := 10; [2022-11-21 16:45:21,236 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6978: assume 128 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-11-21 16:45:21,236 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6978: assume !(128 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2022-11-21 16:45:21,236 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6912-1: call tlan_eisa_probe_#t~ret328#1.base, tlan_eisa_probe_#t~ret328#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0);tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset := tlan_eisa_probe_#t~ret328#1.base, tlan_eisa_probe_#t~ret328#1.offset;havoc tlan_eisa_probe_#t~ret328#1.base, tlan_eisa_probe_#t~ret328#1.offset; [2022-11-21 16:45:21,236 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6979: tlan_eisa_probe_~irq~0#1 := 11; [2022-11-21 16:45:21,236 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6982: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet335#1; [2022-11-21 16:45:21,237 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6982: assume !(16 == ~debug~0); [2022-11-21 16:45:21,237 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6922: assume 0 == (tlan_eisa_probe_~tmp___1~5#1.base + tlan_eisa_probe_~tmp___1~5#1.offset) % 18446744073709551616; [2022-11-21 16:45:21,237 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6922: assume !(0 == (tlan_eisa_probe_~tmp___1~5#1.base + tlan_eisa_probe_~tmp___1~5#1.offset) % 18446744073709551616); [2022-11-21 16:45:21,237 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6927-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret329#1;havoc tlan_eisa_probe_#t~ret329#1; [2022-11-21 16:45:21,237 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6927: SUMMARY for call tlan_eisa_probe_#t~ret329#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-21 16:45:21,237 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6994: SUMMARY for call tlan_eisa_probe_#t~ret334#1 := tlan_probe1(0, 0, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12, 0, 0); srcloc: null [2022-11-21 16:45:21,237 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6929: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2022-11-21 16:45:21,238 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6929: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2022-11-21 16:45:21,238 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6931: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2022-11-21 16:45:21,238 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7001: assume -2147483648 <= tlan_eisa_probe_#t~ret334#1 && tlan_eisa_probe_#t~ret334#1 <= 2147483647;tlan_eisa_probe_~rc~2#1 := tlan_eisa_probe_#t~ret334#1;havoc tlan_eisa_probe_#t~ret334#1; [2022-11-21 16:45:21,238 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret330#1;havoc tlan_eisa_probe_#t~ret330#1; [2022-11-21 16:45:21,238 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: SUMMARY for call tlan_eisa_probe_#t~ret330#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-21 16:45:21,238 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6939: assume 8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296; [2022-11-21 16:45:21,239 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6939: assume !(8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296); [2022-11-21 16:45:21,239 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6941: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2022-11-21 16:45:21,239 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret331#1;havoc tlan_eisa_probe_#t~ret331#1; [2022-11-21 16:45:21,239 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: SUMMARY for call tlan_eisa_probe_#t~ret331#1 := inb((if (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-21 16:45:21,239 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7013-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2022-11-21 16:45:21,240 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: assume 1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296; [2022-11-21 16:45:21,240 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: assume !(1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296); [2022-11-21 16:45:21,240 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6951-1: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet336#1; [2022-11-21 16:45:21,240 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6951-1: assume !(16 == ~debug~0); [2022-11-21 16:45:21,240 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6951: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2022-11-21 16:45:21,240 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2022-11-21 16:45:21,240 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2022-11-21 16:45:21,241 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6956-2: SUMMARY for call tlan_eisa_probe_#t~ret333#1 := inb((if (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-21 16:45:21,241 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6956: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet332#1; [2022-11-21 16:45:21,241 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6956: assume !(16 == ~debug~0); [2022-11-21 16:45:21,241 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7024: assume 0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16))); [2022-11-21 16:45:21,241 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7024: assume !(0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)))); [2022-11-21 16:45:21,241 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6963: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret333#1;havoc tlan_eisa_probe_#t~ret333#1; [2022-11-21 16:45:21,242 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898-1: assume 0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16))); [2022-11-21 16:45:21,242 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898-1: assume !(0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)))); [2022-11-21 16:45:21,242 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-21 16:45:21,242 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6966: assume 16 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-11-21 16:45:21,242 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6966: assume !(16 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2022-11-21 16:45:21,242 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900-1: tlan_eisa_probe_~tmp~35#1 := tlan_eisa_probe_#t~ret323#1;havoc tlan_eisa_probe_#t~ret323#1;havoc tlan_eisa_probe_#t~nondet324#1; [2022-11-21 16:45:21,243 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: SUMMARY for call tlan_eisa_probe_#t~ret323#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-21 16:45:21,243 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6967: tlan_eisa_probe_~irq~0#1 := 5; [2022-11-21 16:45:21,243 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6970: assume 32 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-11-21 16:45:21,243 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6970: assume !(32 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2022-11-21 16:45:21,243 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6971: tlan_eisa_probe_~irq~0#1 := 9; [2022-11-21 16:45:21,243 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6905-1: assume 0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)));havoc tlan_eisa_probe_#t~nondet327#1; [2022-11-21 16:45:21,244 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6905-1: assume !(0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)))); [2022-11-21 16:45:21,440 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:45:21,469 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:45:21,472 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 16:45:21,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:45:21 BoogieIcfgContainer [2022-11-21 16:45:21,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:45:21,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:45:21,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:45:21,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:45:21,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:45:10" (1/3) ... [2022-11-21 16:45:21,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6064b884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:45:21, skipping insertion in model container [2022-11-21 16:45:21,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:45:14" (2/3) ... [2022-11-21 16:45:21,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6064b884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:45:21, skipping insertion in model container [2022-11-21 16:45:21,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:45:21" (3/3) ... [2022-11-21 16:45:21,489 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-11-21 16:45:21,508 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:45:21,508 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:45:21,621 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:45:21,628 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1511c269, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:45:21,628 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:45:21,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 2100 states, 1377 states have (on average 1.2694262890341321) internal successors, (1748), 1419 states have internal predecessors, (1748), 619 states have call successors, (619), 104 states have call predecessors, (619), 103 states have return successors, (614), 600 states have call predecessors, (614), 614 states have call successors, (614) [2022-11-21 16:45:21,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-21 16:45:21,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:45:21,687 INFO L195 NwaCegarLoop]: 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, 1] [2022-11-21 16:45:21,688 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:45:21,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:21,693 INFO L85 PathProgramCache]: Analyzing trace with hash -939567116, now seen corresponding path program 1 times [2022-11-21 16:45:21,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:21,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304572597] [2022-11-21 16:45:21,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:21,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:45:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:45:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:45:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:45:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:45:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:45:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:45:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 16:45:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 16:45:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 16:45:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:22,814 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-21 16:45:22,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:45:22,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304572597] [2022-11-21 16:45:22,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304572597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:45:22,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:45:22,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:45:22,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203560124] [2022-11-21 16:45:22,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:45:22,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:45:22,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:45:22,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:45:22,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:45:22,855 INFO L87 Difference]: Start difference. First operand has 2100 states, 1377 states have (on average 1.2694262890341321) internal successors, (1748), 1419 states have internal predecessors, (1748), 619 states have call successors, (619), 104 states have call predecessors, (619), 103 states have return successors, (614), 600 states have call predecessors, (614), 614 states have call successors, (614) Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-21 16:45:35,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:45:35,559 INFO L93 Difference]: Finished difference Result 6060 states and 9399 transitions. [2022-11-21 16:45:35,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:45:35,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 128 [2022-11-21 16:45:35,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:45:35,619 INFO L225 Difference]: With dead ends: 6060 [2022-11-21 16:45:35,619 INFO L226 Difference]: Without dead ends: 3927 [2022-11-21 16:45:35,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:45:35,648 INFO L413 NwaCegarLoop]: 2517 mSDtfsCounter, 5350 mSDsluCounter, 3384 mSDsCounter, 0 mSdLazyCounter, 4138 mSolverCounterSat, 3965 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5579 SdHoareTripleChecker+Valid, 5901 SdHoareTripleChecker+Invalid, 8103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3965 IncrementalHoareTripleChecker+Valid, 4138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:45:35,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5579 Valid, 5901 Invalid, 8103 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3965 Valid, 4138 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2022-11-21 16:45:35,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3927 states. [2022-11-21 16:45:35,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3927 to 3274. [2022-11-21 16:45:35,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3274 states, 2201 states have (on average 1.2535211267605635) internal successors, (2759), 2277 states have internal predecessors, (2759), 897 states have call successors, (897), 186 states have call predecessors, (897), 175 states have return successors, (920), 850 states have call predecessors, (920), 897 states have call successors, (920) [2022-11-21 16:45:35,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 3274 states and 4576 transitions. [2022-11-21 16:45:35,998 INFO L78 Accepts]: Start accepts. Automaton has 3274 states and 4576 transitions. Word has length 128 [2022-11-21 16:45:35,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:45:35,999 INFO L495 AbstractCegarLoop]: Abstraction has 3274 states and 4576 transitions. [2022-11-21 16:45:35,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-21 16:45:36,000 INFO L276 IsEmpty]: Start isEmpty. Operand 3274 states and 4576 transitions. [2022-11-21 16:45:36,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-21 16:45:36,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:45:36,010 INFO L195 NwaCegarLoop]: 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, 1, 1, 1] [2022-11-21 16:45:36,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:45:36,011 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:45:36,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:36,011 INFO L85 PathProgramCache]: Analyzing trace with hash 860216790, now seen corresponding path program 1 times [2022-11-21 16:45:36,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:36,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484251045] [2022-11-21 16:45:36,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:36,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:45:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:45:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:45:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:45:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:45:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:45:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:45:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 16:45:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 16:45:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 16:45:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:36,507 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-21 16:45:36,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:45:36,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484251045] [2022-11-21 16:45:36,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484251045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:45:36,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:45:36,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:45:36,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667112945] [2022-11-21 16:45:36,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:45:36,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:45:36,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:45:36,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:45:36,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:45:36,516 INFO L87 Difference]: Start difference. First operand 3274 states and 4576 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-21 16:45:51,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:45:51,992 INFO L93 Difference]: Finished difference Result 10447 states and 15252 transitions. [2022-11-21 16:45:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:45:51,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 130 [2022-11-21 16:45:51,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:45:52,064 INFO L225 Difference]: With dead ends: 10447 [2022-11-21 16:45:52,064 INFO L226 Difference]: Without dead ends: 7190 [2022-11-21 16:45:52,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:45:52,088 INFO L413 NwaCegarLoop]: 2749 mSDtfsCounter, 6162 mSDsluCounter, 4326 mSDsCounter, 0 mSdLazyCounter, 4809 mSolverCounterSat, 4652 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6403 SdHoareTripleChecker+Valid, 7075 SdHoareTripleChecker+Invalid, 9461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4652 IncrementalHoareTripleChecker+Valid, 4809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:45:52,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6403 Valid, 7075 Invalid, 9461 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4652 Valid, 4809 Invalid, 0 Unknown, 0 Unchecked, 14.7s Time] [2022-11-21 16:45:52,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7190 states. [2022-11-21 16:45:52,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7190 to 6485. [2022-11-21 16:45:52,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6485 states, 4296 states have (on average 1.2458100558659218) internal successors, (5352), 4462 states have internal predecessors, (5352), 1827 states have call successors, (1827), 363 states have call predecessors, (1827), 361 states have return successors, (2446), 1745 states have call predecessors, (2446), 1827 states have call successors, (2446) [2022-11-21 16:45:52,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6485 states to 6485 states and 9625 transitions. [2022-11-21 16:45:52,662 INFO L78 Accepts]: Start accepts. Automaton has 6485 states and 9625 transitions. Word has length 130 [2022-11-21 16:45:52,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:45:52,663 INFO L495 AbstractCegarLoop]: Abstraction has 6485 states and 9625 transitions. [2022-11-21 16:45:52,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-21 16:45:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 6485 states and 9625 transitions. [2022-11-21 16:45:52,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-21 16:45:52,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:45:52,674 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:45:52,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:45:52,674 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:45:52,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:52,675 INFO L85 PathProgramCache]: Analyzing trace with hash 872801085, now seen corresponding path program 1 times [2022-11-21 16:45:52,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:45:52,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161698263] [2022-11-21 16:45:52,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:52,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:45:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:45:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:45:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:45:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:45:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:45:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:45:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:45:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:45:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:45:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 16:45:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 16:45:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-21 16:45:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 16:45:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 16:45:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:45:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 16:45:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-21 16:45:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:53,226 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-21 16:45:53,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:45:53,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161698263] [2022-11-21 16:45:53,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161698263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:45:53,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:45:53,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:45:53,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867777230] [2022-11-21 16:45:53,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:45:53,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:45:53,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:45:53,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:45:53,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:45:53,229 INFO L87 Difference]: Start difference. First operand 6485 states and 9625 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-21 16:46:14,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:46:14,352 INFO L93 Difference]: Finished difference Result 20858 states and 33201 transitions. [2022-11-21 16:46:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:46:14,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 149 [2022-11-21 16:46:14,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:46:14,568 INFO L225 Difference]: With dead ends: 20858 [2022-11-21 16:46:14,569 INFO L226 Difference]: Without dead ends: 14390 [2022-11-21 16:46:14,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:46:14,637 INFO L413 NwaCegarLoop]: 3368 mSDtfsCounter, 7291 mSDsluCounter, 5167 mSDsCounter, 0 mSdLazyCounter, 6292 mSolverCounterSat, 6183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7573 SdHoareTripleChecker+Valid, 8535 SdHoareTripleChecker+Invalid, 12475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6183 IncrementalHoareTripleChecker+Valid, 6292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:46:14,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7573 Valid, 8535 Invalid, 12475 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6183 Valid, 6292 Invalid, 0 Unknown, 0 Unchecked, 19.8s Time] [2022-11-21 16:46:14,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14390 states. [2022-11-21 16:46:16,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14390 to 12529. [2022-11-21 16:46:16,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12529 states, 8294 states have (on average 1.2460815047021943) internal successors, (10335), 8621 states have internal predecessors, (10335), 3538 states have call successors, (3538), 722 states have call predecessors, (3538), 696 states have return successors, (4853), 3349 states have call predecessors, (4853), 3538 states have call successors, (4853) [2022-11-21 16:46:16,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12529 states to 12529 states and 18726 transitions. [2022-11-21 16:46:16,147 INFO L78 Accepts]: Start accepts. Automaton has 12529 states and 18726 transitions. Word has length 149 [2022-11-21 16:46:16,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:46:16,149 INFO L495 AbstractCegarLoop]: Abstraction has 12529 states and 18726 transitions. [2022-11-21 16:46:16,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-21 16:46:16,151 INFO L276 IsEmpty]: Start isEmpty. Operand 12529 states and 18726 transitions. [2022-11-21 16:46:16,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-21 16:46:16,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:46:16,158 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 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] [2022-11-21 16:46:16,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:46:16,158 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:46:16,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:46:16,159 INFO L85 PathProgramCache]: Analyzing trace with hash 309727481, now seen corresponding path program 1 times [2022-11-21 16:46:16,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:46:16,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876134355] [2022-11-21 16:46:16,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:46:16,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:46:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:46:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:46:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:46:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:46:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:46:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:46:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:46:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 16:46:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:46:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:46:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:46:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:46:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:46:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:46:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-21 16:46:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-21 16:46:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-21 16:46:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-11-21 16:46:16,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:46:16,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876134355] [2022-11-21 16:46:16,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876134355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:46:16,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:46:16,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:46:16,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135001974] [2022-11-21 16:46:16,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:46:16,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:46:16,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:46:16,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:46:16,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:46:16,704 INFO L87 Difference]: Start difference. First operand 12529 states and 18726 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-21 16:46:28,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:46:28,377 INFO L93 Difference]: Finished difference Result 29779 states and 44264 transitions. [2022-11-21 16:46:28,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:46:28,378 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 192 [2022-11-21 16:46:28,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:46:28,537 INFO L225 Difference]: With dead ends: 29779 [2022-11-21 16:46:28,537 INFO L226 Difference]: Without dead ends: 17267 [2022-11-21 16:46:28,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:46:28,619 INFO L413 NwaCegarLoop]: 3024 mSDtfsCounter, 2818 mSDsluCounter, 5034 mSDsCounter, 0 mSdLazyCounter, 4727 mSolverCounterSat, 2755 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2966 SdHoareTripleChecker+Valid, 8058 SdHoareTripleChecker+Invalid, 7482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2755 IncrementalHoareTripleChecker+Valid, 4727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:46:28,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2966 Valid, 8058 Invalid, 7482 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2755 Valid, 4727 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-11-21 16:46:28,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17267 states. [2022-11-21 16:46:29,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17267 to 15367. [2022-11-21 16:46:29,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15367 states, 10253 states have (on average 1.245976787281771) internal successors, (12775), 10654 states have internal predecessors, (12775), 4236 states have call successors, (4236), 944 states have call predecessors, (4236), 877 states have return successors, (5643), 3957 states have call predecessors, (5643), 4236 states have call successors, (5643) [2022-11-21 16:46:29,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15367 states to 15367 states and 22654 transitions. [2022-11-21 16:46:30,004 INFO L78 Accepts]: Start accepts. Automaton has 15367 states and 22654 transitions. Word has length 192 [2022-11-21 16:46:30,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:46:30,006 INFO L495 AbstractCegarLoop]: Abstraction has 15367 states and 22654 transitions. [2022-11-21 16:46:30,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-21 16:46:30,007 INFO L276 IsEmpty]: Start isEmpty. Operand 15367 states and 22654 transitions. [2022-11-21 16:46:30,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-21 16:46:30,019 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:46:30,020 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 6, 6, 6, 6, 6, 6, 3, 3, 3, 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] [2022-11-21 16:46:30,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:46:30,020 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:46:30,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:46:30,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1488896496, now seen corresponding path program 1 times [2022-11-21 16:46:30,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:46:30,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973911182] [2022-11-21 16:46:30,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:46:30,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:46:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:46:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:46:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:46:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:46:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:46:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:46:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:46:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 16:46:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:46:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:46:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:46:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:46:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:46:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:46:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 16:46:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:46:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:46:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-21 16:46:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:46:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:46:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:46:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 16:46:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 16:46:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-21 16:46:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-21 16:46:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2022-11-21 16:46:30,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:46:30,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973911182] [2022-11-21 16:46:30,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973911182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:46:30,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:46:30,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:46:30,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914021919] [2022-11-21 16:46:30,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:46:30,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:46:30,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:46:30,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:46:30,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:46:30,655 INFO L87 Difference]: Start difference. First operand 15367 states and 22654 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-21 16:46:42,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:46:42,793 INFO L93 Difference]: Finished difference Result 35988 states and 52873 transitions. [2022-11-21 16:46:42,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:46:42,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (31), 4 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 264 [2022-11-21 16:46:42,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:46:42,986 INFO L225 Difference]: With dead ends: 35988 [2022-11-21 16:46:42,987 INFO L226 Difference]: Without dead ends: 20638 [2022-11-21 16:46:43,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:46:43,095 INFO L413 NwaCegarLoop]: 3067 mSDtfsCounter, 2806 mSDsluCounter, 5151 mSDsCounter, 0 mSdLazyCounter, 4701 mSolverCounterSat, 2742 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2955 SdHoareTripleChecker+Valid, 8218 SdHoareTripleChecker+Invalid, 7443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2742 IncrementalHoareTripleChecker+Valid, 4701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:46:43,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2955 Valid, 8218 Invalid, 7443 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2742 Valid, 4701 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-11-21 16:46:43,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20638 states. [2022-11-21 16:46:44,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20638 to 18163. [2022-11-21 16:46:44,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18163 states, 12186 states have (on average 1.246266207122928) internal successors, (15187), 12658 states have internal predecessors, (15187), 4920 states have call successors, (4920), 1165 states have call predecessors, (4920), 1056 states have return successors, (6418), 4551 states have call predecessors, (6418), 4920 states have call successors, (6418) [2022-11-21 16:46:44,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18163 states to 18163 states and 26525 transitions. [2022-11-21 16:46:44,644 INFO L78 Accepts]: Start accepts. Automaton has 18163 states and 26525 transitions. Word has length 264 [2022-11-21 16:46:44,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:46:44,645 INFO L495 AbstractCegarLoop]: Abstraction has 18163 states and 26525 transitions. [2022-11-21 16:46:44,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-21 16:46:44,645 INFO L276 IsEmpty]: Start isEmpty. Operand 18163 states and 26525 transitions. [2022-11-21 16:46:44,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-21 16:46:44,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:46:44,658 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 6, 6, 6, 6, 6, 6, 3, 3, 3, 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] [2022-11-21 16:46:44,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:46:44,660 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:46:44,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:46:44,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1254181012, now seen corresponding path program 1 times [2022-11-21 16:46:44,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:46:44,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572233115] [2022-11-21 16:46:44,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:46:44,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:46:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:46:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:46:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:46:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:46:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:46:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:46:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:46:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 16:46:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:46:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:46:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:46:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:46:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:46:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:46:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 16:46:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:46:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:46:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-21 16:46:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:46:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:46:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:46:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 16:46:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-21 16:46:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:46:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-21 16:46:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-21 16:46:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:45,247 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2022-11-21 16:46:45,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:46:45,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572233115] [2022-11-21 16:46:45,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572233115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:46:45,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:46:45,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:46:45,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871438950] [2022-11-21 16:46:45,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:46:45,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:46:45,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:46:45,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:46:45,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:46:45,250 INFO L87 Difference]: Start difference. First operand 18163 states and 26525 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-21 16:46:58,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:46:58,183 INFO L93 Difference]: Finished difference Result 42601 states and 62077 transitions. [2022-11-21 16:46:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:46:58,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (31), 4 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 266 [2022-11-21 16:46:58,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:46:58,401 INFO L225 Difference]: With dead ends: 42601 [2022-11-21 16:46:58,401 INFO L226 Difference]: Without dead ends: 24455 [2022-11-21 16:46:58,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:46:58,527 INFO L413 NwaCegarLoop]: 3091 mSDtfsCounter, 3096 mSDsluCounter, 5061 mSDsCounter, 0 mSdLazyCounter, 4825 mSolverCounterSat, 2862 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3269 SdHoareTripleChecker+Valid, 8152 SdHoareTripleChecker+Invalid, 7687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2862 IncrementalHoareTripleChecker+Valid, 4825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:46:58,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3269 Valid, 8152 Invalid, 7687 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2862 Valid, 4825 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-11-21 16:46:58,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24455 states. [2022-11-21 16:47:00,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24455 to 21350. [2022-11-21 16:47:00,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21350 states, 14362 states have (on average 1.2448127001810332) internal successors, (17878), 14911 states have internal predecessors, (17878), 5723 states have call successors, (5723), 1421 states have call predecessors, (5723), 1264 states have return successors, (7321), 5252 states have call predecessors, (7321), 5723 states have call successors, (7321) [2022-11-21 16:47:00,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21350 states to 21350 states and 30922 transitions. [2022-11-21 16:47:00,286 INFO L78 Accepts]: Start accepts. Automaton has 21350 states and 30922 transitions. Word has length 266 [2022-11-21 16:47:00,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:47:00,287 INFO L495 AbstractCegarLoop]: Abstraction has 21350 states and 30922 transitions. [2022-11-21 16:47:00,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-21 16:47:00,287 INFO L276 IsEmpty]: Start isEmpty. Operand 21350 states and 30922 transitions. [2022-11-21 16:47:00,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-11-21 16:47:00,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:47:00,301 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:47:00,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:47:00,302 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:47:00,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:47:00,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1673154764, now seen corresponding path program 1 times [2022-11-21 16:47:00,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:47:00,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119362042] [2022-11-21 16:47:00,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:47:00,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:47:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:47:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:47:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:47:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:47:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:47:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:47:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:47:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 16:47:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:47:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:47:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:47:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:47:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:47:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:47:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 16:47:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:47:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:47:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-21 16:47:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:47:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:47:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:47:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 16:47:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-21 16:47:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-21 16:47:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-21 16:47:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-21 16:47:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:00,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-21 16:47:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:01,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-21 16:47:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:01,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-11-21 16:47:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:01,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-21 16:47:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:01,049 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2022-11-21 16:47:01,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:47:01,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119362042] [2022-11-21 16:47:01,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119362042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:47:01,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:47:01,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:47:01,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322810573] [2022-11-21 16:47:01,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:47:01,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:47:01,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:47:01,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:47:01,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:47:01,052 INFO L87 Difference]: Start difference. First operand 21350 states and 30922 transitions. Second operand has 7 states, 7 states have (on average 19.0) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (35), 5 states have call predecessors, (35), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-21 16:47:24,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:47:24,575 INFO L93 Difference]: Finished difference Result 49734 states and 73793 transitions. [2022-11-21 16:47:24,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:47:24,583 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (35), 5 states have call predecessors, (35), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 324 [2022-11-21 16:47:24,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:47:24,835 INFO L225 Difference]: With dead ends: 49734 [2022-11-21 16:47:24,835 INFO L226 Difference]: Without dead ends: 28401 [2022-11-21 16:47:25,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-11-21 16:47:25,106 INFO L413 NwaCegarLoop]: 2591 mSDtfsCounter, 3002 mSDsluCounter, 7036 mSDsCounter, 0 mSdLazyCounter, 8140 mSolverCounterSat, 2788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3271 SdHoareTripleChecker+Valid, 9627 SdHoareTripleChecker+Invalid, 10928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2788 IncrementalHoareTripleChecker+Valid, 8140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:47:25,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3271 Valid, 9627 Invalid, 10928 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2788 Valid, 8140 Invalid, 0 Unknown, 0 Unchecked, 19.6s Time] [2022-11-21 16:47:25,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28401 states. [2022-11-21 16:47:27,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28401 to 24168. [2022-11-21 16:47:27,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24168 states, 16321 states have (on average 1.2447766680963177) internal successors, (20316), 16941 states have internal predecessors, (20316), 6407 states have call successors, (6407), 1638 states have call predecessors, (6407), 1439 states have return successors, (8096), 5846 states have call predecessors, (8096), 6407 states have call successors, (8096) [2022-11-21 16:47:27,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24168 states to 24168 states and 34819 transitions. [2022-11-21 16:47:27,821 INFO L78 Accepts]: Start accepts. Automaton has 24168 states and 34819 transitions. Word has length 324 [2022-11-21 16:47:27,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:47:27,822 INFO L495 AbstractCegarLoop]: Abstraction has 24168 states and 34819 transitions. [2022-11-21 16:47:27,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (35), 5 states have call predecessors, (35), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-21 16:47:27,823 INFO L276 IsEmpty]: Start isEmpty. Operand 24168 states and 34819 transitions. [2022-11-21 16:47:27,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-11-21 16:47:27,841 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:47:27,842 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:47:27,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:47:27,843 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:47:27,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:47:27,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1514320358, now seen corresponding path program 1 times [2022-11-21 16:47:27,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:47:27,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697373536] [2022-11-21 16:47:27,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:47:27,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:47:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:47:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:47:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:47:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:47:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:47:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:47:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:47:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 16:47:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:47:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:47:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:47:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:47:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:47:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:47:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 16:47:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:47:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:47:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-21 16:47:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:47:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:47:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:47:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 16:47:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-21 16:47:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-21 16:47:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-21 16:47:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-21 16:47:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-21 16:47:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-21 16:47:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-21 16:47:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-21 16:47:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-11-21 16:47:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-21 16:47:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:28,620 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2022-11-21 16:47:28,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:47:28,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697373536] [2022-11-21 16:47:28,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697373536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:47:28,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:47:28,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:47:28,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175846158] [2022-11-21 16:47:28,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:47:28,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:47:28,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:47:28,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:47:28,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:47:28,623 INFO L87 Difference]: Start difference. First operand 24168 states and 34819 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-21 16:47:52,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:47:52,684 INFO L93 Difference]: Finished difference Result 53332 states and 77014 transitions. [2022-11-21 16:47:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:47:52,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 341 [2022-11-21 16:47:52,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:47:52,904 INFO L225 Difference]: With dead ends: 53332 [2022-11-21 16:47:52,904 INFO L226 Difference]: Without dead ends: 29181 [2022-11-21 16:47:53,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:47:53,031 INFO L413 NwaCegarLoop]: 2873 mSDtfsCounter, 1930 mSDsluCounter, 4166 mSDsCounter, 0 mSdLazyCounter, 5876 mSolverCounterSat, 1334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2199 SdHoareTripleChecker+Valid, 7039 SdHoareTripleChecker+Invalid, 7210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1334 IncrementalHoareTripleChecker+Valid, 5876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:47:53,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2199 Valid, 7039 Invalid, 7210 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1334 Valid, 5876 Invalid, 0 Unknown, 0 Unchecked, 20.4s Time] [2022-11-21 16:47:53,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29181 states. [2022-11-21 16:47:56,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29181 to 27008. [2022-11-21 16:47:56,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27008 states, 18294 states have (on average 1.2449983601180714) internal successors, (22776), 18985 states have internal predecessors, (22776), 7095 states have call successors, (7095), 1859 states have call predecessors, (7095), 1618 states have return successors, (8875), 6444 states have call predecessors, (8875), 7095 states have call successors, (8875) [2022-11-21 16:47:56,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27008 states to 27008 states and 38746 transitions. [2022-11-21 16:47:56,385 INFO L78 Accepts]: Start accepts. Automaton has 27008 states and 38746 transitions. Word has length 341 [2022-11-21 16:47:56,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:47:56,385 INFO L495 AbstractCegarLoop]: Abstraction has 27008 states and 38746 transitions. [2022-11-21 16:47:56,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-21 16:47:56,385 INFO L276 IsEmpty]: Start isEmpty. Operand 27008 states and 38746 transitions. [2022-11-21 16:47:56,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-11-21 16:47:56,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:47:56,406 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:47:56,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:47:56,407 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:47:56,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:47:56,407 INFO L85 PathProgramCache]: Analyzing trace with hash 947302232, now seen corresponding path program 1 times [2022-11-21 16:47:56,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:47:56,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179714703] [2022-11-21 16:47:56,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:47:56,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:47:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:47:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:47:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:47:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:47:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:47:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:47:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:47:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 16:47:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:47:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:47:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:47:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:47:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:47:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:47:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:56,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 16:47:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:47:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:47:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-21 16:47:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:47:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:47:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:47:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 16:47:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-21 16:47:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-21 16:47:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-21 16:47:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-21 16:47:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-21 16:47:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-21 16:47:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-21 16:47:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:47:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-21 16:47:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-11-21 16:47:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-11-21 16:47:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-21 16:47:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-11-21 16:47:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-21 16:47:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:47:57,308 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2022-11-21 16:47:57,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:47:57,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179714703] [2022-11-21 16:47:57,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179714703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:47:57,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:47:57,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:47:57,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216203380] [2022-11-21 16:47:57,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:47:57,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:47:57,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:47:57,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:47:57,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:47:57,312 INFO L87 Difference]: Start difference. First operand 27008 states and 38746 transitions. Second operand has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 4 states have internal predecessors, (152), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-21 16:48:18,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:48:18,647 INFO L93 Difference]: Finished difference Result 59703 states and 85831 transitions. [2022-11-21 16:48:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:48:18,648 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 4 states have internal predecessors, (152), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 377 [2022-11-21 16:48:18,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:48:18,870 INFO L225 Difference]: With dead ends: 59703 [2022-11-21 16:48:18,870 INFO L226 Difference]: Without dead ends: 32712 [2022-11-21 16:48:19,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:48:19,004 INFO L413 NwaCegarLoop]: 2697 mSDtfsCounter, 2793 mSDsluCounter, 8453 mSDsCounter, 0 mSdLazyCounter, 7710 mSolverCounterSat, 2484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3059 SdHoareTripleChecker+Valid, 11150 SdHoareTripleChecker+Invalid, 10194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2484 IncrementalHoareTripleChecker+Valid, 7710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:48:19,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3059 Valid, 11150 Invalid, 10194 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2484 Valid, 7710 Invalid, 0 Unknown, 0 Unchecked, 16.5s Time] [2022-11-21 16:48:19,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32712 states. [2022-11-21 16:48:22,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32712 to 30106. [2022-11-21 16:48:22,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30106 states, 20384 states have (on average 1.2445545525902668) internal successors, (25369), 21142 states have internal predecessors, (25369), 7898 states have call successors, (7898), 2129 states have call predecessors, (7898), 1823 states have return successors, (9775), 7136 states have call predecessors, (9775), 7898 states have call successors, (9775) [2022-11-21 16:48:22,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30106 states to 30106 states and 43042 transitions. [2022-11-21 16:48:22,632 INFO L78 Accepts]: Start accepts. Automaton has 30106 states and 43042 transitions. Word has length 377 [2022-11-21 16:48:22,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:48:22,633 INFO L495 AbstractCegarLoop]: Abstraction has 30106 states and 43042 transitions. [2022-11-21 16:48:22,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 4 states have internal predecessors, (152), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-21 16:48:22,633 INFO L276 IsEmpty]: Start isEmpty. Operand 30106 states and 43042 transitions. [2022-11-21 16:48:22,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-11-21 16:48:22,654 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:48:22,655 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:48:22,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:48:22,655 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:48:22,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:22,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1047574378, now seen corresponding path program 1 times [2022-11-21 16:48:22,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:48:22,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33486715] [2022-11-21 16:48:22,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:48:22,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:48:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:48:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:48:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:48:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:48:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:48:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:48:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:48:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 16:48:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:48:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:48:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:48:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:48:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:48:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:48:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 16:48:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:48:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:48:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-21 16:48:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:48:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:48:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:48:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 16:48:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-21 16:48:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-21 16:48:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-21 16:48:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-21 16:48:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-21 16:48:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-21 16:48:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-21 16:48:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-21 16:48:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-21 16:48:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-21 16:48:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-21 16:48:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-21 16:48:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-21 16:48:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:23,514 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2022-11-21 16:48:23,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:48:23,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33486715] [2022-11-21 16:48:23,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33486715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:48:23,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:48:23,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:48:23,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900793024] [2022-11-21 16:48:23,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:48:23,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:48:23,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:48:23,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:48:23,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:48:23,519 INFO L87 Difference]: Start difference. First operand 30106 states and 43042 transitions. Second operand has 7 states, 7 states have (on average 22.571428571428573) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-21 16:48:50,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:48:50,678 INFO L93 Difference]: Finished difference Result 66085 states and 94723 transitions. [2022-11-21 16:48:50,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:48:50,679 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.571428571428573) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 383 [2022-11-21 16:48:50,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:48:50,853 INFO L225 Difference]: With dead ends: 66085 [2022-11-21 16:48:50,853 INFO L226 Difference]: Without dead ends: 35996 [2022-11-21 16:48:50,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:48:50,959 INFO L413 NwaCegarLoop]: 2880 mSDtfsCounter, 1944 mSDsluCounter, 9440 mSDsCounter, 0 mSdLazyCounter, 9780 mSolverCounterSat, 1345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2216 SdHoareTripleChecker+Valid, 12320 SdHoareTripleChecker+Invalid, 11125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1345 IncrementalHoareTripleChecker+Valid, 9780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:48:50,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2216 Valid, 12320 Invalid, 11125 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1345 Valid, 9780 Invalid, 0 Unknown, 0 Unchecked, 22.4s Time] [2022-11-21 16:48:50,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35996 states. [2022-11-21 16:48:54,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35996 to 33138. [2022-11-21 16:48:54,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33138 states, 22454 states have (on average 1.2438318339716754) internal successors, (27929), 23283 states have internal predecessors, (27929), 8656 states have call successors, (8656), 2377 states have call predecessors, (8656), 2027 states have return successors, (10634), 7802 states have call predecessors, (10634), 8656 states have call successors, (10634) [2022-11-21 16:48:54,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33138 states to 33138 states and 47219 transitions. [2022-11-21 16:48:54,927 INFO L78 Accepts]: Start accepts. Automaton has 33138 states and 47219 transitions. Word has length 383 [2022-11-21 16:48:54,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:48:54,929 INFO L495 AbstractCegarLoop]: Abstraction has 33138 states and 47219 transitions. [2022-11-21 16:48:54,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.571428571428573) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-21 16:48:54,930 INFO L276 IsEmpty]: Start isEmpty. Operand 33138 states and 47219 transitions. [2022-11-21 16:48:54,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2022-11-21 16:48:54,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:48:54,947 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:48:54,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:48:54,948 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:48:54,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:54,949 INFO L85 PathProgramCache]: Analyzing trace with hash -192379877, now seen corresponding path program 1 times [2022-11-21 16:48:54,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:48:54,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309884964] [2022-11-21 16:48:54,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:48:54,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:48:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:48:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:48:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:48:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:48:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:48:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:48:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:48:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 16:48:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:48:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:48:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:48:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:48:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:48:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:48:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 16:48:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:48:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:48:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-21 16:48:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:48:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:48:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:48:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 16:48:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-21 16:48:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-21 16:48:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-21 16:48:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-21 16:48:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-21 16:48:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-21 16:48:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-21 16:48:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:48:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-21 16:48:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-11-21 16:48:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-21 16:48:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-21 16:48:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-21 16:48:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-11-21 16:48:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:55,765 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2022-11-21 16:48:55,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:48:55,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309884964] [2022-11-21 16:48:55,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309884964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:48:55,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:48:55,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:48:55,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666950646] [2022-11-21 16:48:55,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:48:55,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:48:55,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:48:55,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:48:55,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:48:55,768 INFO L87 Difference]: Start difference. First operand 33138 states and 47219 transitions. Second operand has 7 states, 7 states have (on average 22.0) internal successors, (154), 4 states have internal predecessors, (154), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-21 16:49:23,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:49:23,400 INFO L93 Difference]: Finished difference Result 72174 states and 103181 transitions. [2022-11-21 16:49:23,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:49:23,401 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 4 states have internal predecessors, (154), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 379 [2022-11-21 16:49:23,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:49:23,618 INFO L225 Difference]: With dead ends: 72174 [2022-11-21 16:49:23,618 INFO L226 Difference]: Without dead ends: 39053 [2022-11-21 16:49:23,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:49:23,738 INFO L413 NwaCegarLoop]: 2927 mSDtfsCounter, 1904 mSDsluCounter, 9632 mSDsCounter, 0 mSdLazyCounter, 9707 mSolverCounterSat, 1324 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2171 SdHoareTripleChecker+Valid, 12559 SdHoareTripleChecker+Invalid, 11031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1324 IncrementalHoareTripleChecker+Valid, 9707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:49:23,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2171 Valid, 12559 Invalid, 11031 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1324 Valid, 9707 Invalid, 0 Unknown, 0 Unchecked, 22.3s Time] [2022-11-21 16:49:23,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39053 states. [2022-11-21 16:49:27,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39053 to 35922. [2022-11-21 16:49:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35922 states, 24379 states have (on average 1.2442265884572787) internal successors, (30333), 25279 states have internal predecessors, (30333), 9340 states have call successors, (9340), 2594 states have call predecessors, (9340), 2202 states have return successors, (11409), 8396 states have call predecessors, (11409), 9340 states have call successors, (11409) [2022-11-21 16:49:27,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35922 states to 35922 states and 51082 transitions. [2022-11-21 16:49:27,874 INFO L78 Accepts]: Start accepts. Automaton has 35922 states and 51082 transitions. Word has length 379 [2022-11-21 16:49:27,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:49:27,875 INFO L495 AbstractCegarLoop]: Abstraction has 35922 states and 51082 transitions. [2022-11-21 16:49:27,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 4 states have internal predecessors, (154), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-21 16:49:27,875 INFO L276 IsEmpty]: Start isEmpty. Operand 35922 states and 51082 transitions. [2022-11-21 16:49:27,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2022-11-21 16:49:27,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:49:27,900 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:49:27,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:49:27,901 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:49:27,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:49:27,902 INFO L85 PathProgramCache]: Analyzing trace with hash 613628650, now seen corresponding path program 1 times [2022-11-21 16:49:27,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:49:27,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725445309] [2022-11-21 16:49:27,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:49:27,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:49:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:49:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:49:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:49:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:49:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:49:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:49:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:49:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:49:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:49:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:49:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:49:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:49:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:49:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 16:49:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:49:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:49:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:49:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:49:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:49:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:49:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:49:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 16:49:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:49:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:49:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:49:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-21 16:49:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:49:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:49:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:49:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:49:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 16:49:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:28,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-21 16:49:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:29,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-21 16:49:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-21 16:49:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:29,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:49:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-21 16:49:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-21 16:49:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:29,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-21 16:49:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-21 16:49:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:29,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:49:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:29,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-21 16:49:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:29,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-21 16:49:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:29,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:49:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:49:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:29,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:49:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-21 16:49:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:29,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-11-21 16:49:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:29,245 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2022-11-21 16:49:29,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:49:29,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725445309] [2022-11-21 16:49:29,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725445309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:49:29,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:49:29,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:49:29,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52502409] [2022-11-21 16:49:29,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:49:29,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:49:29,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:49:29,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:49:29,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:49:29,248 INFO L87 Difference]: Start difference. First operand 35922 states and 51082 transitions. Second operand has 7 states, 7 states have (on average 21.0) internal successors, (147), 4 states have internal predecessors, (147), 3 states have call successors, (39), 6 states have call predecessors, (39), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-21 16:50:16,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:50:16,264 INFO L93 Difference]: Finished difference Result 120374 states and 174686 transitions. [2022-11-21 16:50:16,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 16:50:16,264 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 4 states have internal predecessors, (147), 3 states have call successors, (39), 6 states have call predecessors, (39), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 389 [2022-11-21 16:50:16,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:50:17,057 INFO L225 Difference]: With dead ends: 120374 [2022-11-21 16:50:17,057 INFO L226 Difference]: Without dead ends: 84469 [2022-11-21 16:50:17,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=134, Unknown=0, NotChecked=0, Total=210 [2022-11-21 16:50:17,282 INFO L413 NwaCegarLoop]: 1438 mSDtfsCounter, 6827 mSDsluCounter, 3782 mSDsCounter, 0 mSdLazyCounter, 12878 mSolverCounterSat, 5031 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7366 SdHoareTripleChecker+Valid, 5220 SdHoareTripleChecker+Invalid, 17909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5031 IncrementalHoareTripleChecker+Valid, 12878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:50:17,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7366 Valid, 5220 Invalid, 17909 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5031 Valid, 12878 Invalid, 0 Unknown, 0 Unchecked, 36.4s Time] [2022-11-21 16:50:17,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84469 states. [2022-11-21 16:50:25,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84469 to 72074. [2022-11-21 16:50:25,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72074 states, 48903 states have (on average 1.2286771772692882) internal successors, (60086), 50719 states have internal predecessors, (60086), 18804 states have call successors, (18804), 5126 states have call predecessors, (18804), 4366 states have return successors, (23240), 16927 states have call predecessors, (23240), 18804 states have call successors, (23240) [2022-11-21 16:50:26,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72074 states to 72074 states and 102130 transitions. [2022-11-21 16:50:26,232 INFO L78 Accepts]: Start accepts. Automaton has 72074 states and 102130 transitions. Word has length 389 [2022-11-21 16:50:26,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:50:26,233 INFO L495 AbstractCegarLoop]: Abstraction has 72074 states and 102130 transitions. [2022-11-21 16:50:26,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 4 states have internal predecessors, (147), 3 states have call successors, (39), 6 states have call predecessors, (39), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-21 16:50:26,233 INFO L276 IsEmpty]: Start isEmpty. Operand 72074 states and 102130 transitions. [2022-11-21 16:50:26,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2022-11-21 16:50:26,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:50:26,248 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:50:26,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 16:50:26,248 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:50:26,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:50:26,249 INFO L85 PathProgramCache]: Analyzing trace with hash 654303400, now seen corresponding path program 1 times [2022-11-21 16:50:26,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:50:26,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886745578] [2022-11-21 16:50:26,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:50:26,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:50:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:50:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:50:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:50:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:50:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:50:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:50:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:50:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:50:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:50:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:50:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:50:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:50:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:50:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 16:50:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:50:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:50:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:50:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:50:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:50:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:50:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:50:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 16:50:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:50:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:50:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:50:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-21 16:50:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:50:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:26,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:50:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:50:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:50:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 16:50:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-21 16:50:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-21 16:50:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-21 16:50:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:50:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-21 16:50:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-21 16:50:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-21 16:50:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-21 16:50:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:50:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-21 16:50:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-21 16:50:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:50:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:50:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:50:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-21 16:50:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-11-21 16:50:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2022-11-21 16:50:27,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:50:27,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886745578] [2022-11-21 16:50:27,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886745578] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:50:27,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002266586] [2022-11-21 16:50:27,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:50:27,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:50:27,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:50:27,348 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:50:27,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd266f6a-fb5b-44b5-9bab-e9acb7f87a5f/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:50:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:28,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 3767 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:50:28,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:50:29,299 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2022-11-21 16:50:29,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:50:29,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002266586] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:50:29,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:50:29,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-21 16:50:29,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798813956] [2022-11-21 16:50:29,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:50:29,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:50:29,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:50:29,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:50:29,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:50:29,308 INFO L87 Difference]: Start difference. First operand 72074 states and 102130 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, (39), 1 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34)