./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-wireless-ath-ath10k-ath10k_pci.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edf27d4-2f03-44dc-b688-936418d7aef9/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edf27d4-2f03-44dc-b688-936418d7aef9/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edf27d4-2f03-44dc-b688-936418d7aef9/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edf27d4-2f03-44dc-b688-936418d7aef9/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edf27d4-2f03-44dc-b688-936418d7aef9/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edf27d4-2f03-44dc-b688-936418d7aef9/bin/uautomizer-YU5uOKAj3y --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 ad99b1dbefac8c1e84a85aaa3f3639700dac2f8335de90a015e2768054e31e7e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:33:54,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:33:54,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:33:54,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:33:54,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:33:54,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:33:54,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:33:54,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:33:54,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:33:54,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:33:54,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:33:54,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:33:54,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:33:54,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:33:54,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:33:54,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:33:54,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:33:54,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:33:54,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:33:54,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:33:54,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:33:54,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:33:54,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:33:54,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:33:54,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:33:54,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:33:54,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:33:54,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:33:54,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:33:54,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:33:54,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:33:54,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:33:54,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:33:54,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:33:54,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:33:54,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:33:54,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:33:54,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:33:54,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:33:54,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:33:54,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:33:54,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edf27d4-2f03-44dc-b688-936418d7aef9/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 18:33:54,892 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:33:54,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:33:54,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:33:54,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:33:54,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:33:54,899 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:33:54,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:33:54,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:33:54,908 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:33:54,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:33:54,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:33:54,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:33:54,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:33:54,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:33:54,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:33:54,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:33:54,911 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:33:54,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:33:54,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:33:54,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:33:54,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:33:54,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:33:54,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:33:54,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:33:54,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:33:54,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:33:54,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:33:54,914 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:33:54,915 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:33:54,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:33:54,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:33:54,917 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_3edf27d4-2f03-44dc-b688-936418d7aef9/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edf27d4-2f03-44dc-b688-936418d7aef9/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad99b1dbefac8c1e84a85aaa3f3639700dac2f8335de90a015e2768054e31e7e [2021-11-13 18:33:55,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:33:55,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:33:55,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:33:55,288 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:33:55,289 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:33:55,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edf27d4-2f03-44dc-b688-936418d7aef9/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2021-11-13 18:33:55,361 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edf27d4-2f03-44dc-b688-936418d7aef9/bin/uautomizer-YU5uOKAj3y/data/a4f0a9a19/2aeb62cb330a4b96a8de7383956bbe53/FLAG13adf2415 [2021-11-13 18:33:56,520 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:33:56,521 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edf27d4-2f03-44dc-b688-936418d7aef9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2021-11-13 18:33:56,630 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edf27d4-2f03-44dc-b688-936418d7aef9/bin/uautomizer-YU5uOKAj3y/data/a4f0a9a19/2aeb62cb330a4b96a8de7383956bbe53/FLAG13adf2415 [2021-11-13 18:33:56,757 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edf27d4-2f03-44dc-b688-936418d7aef9/bin/uautomizer-YU5uOKAj3y/data/a4f0a9a19/2aeb62cb330a4b96a8de7383956bbe53 [2021-11-13 18:33:56,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:33:56,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:33:56,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:33:56,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:33:56,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:33:56,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:33:56" (1/1) ... [2021-11-13 18:33:56,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7349a0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:33:56, skipping insertion in model container [2021-11-13 18:33:56,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:33:56" (1/1) ... [2021-11-13 18:33:56,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:33:57,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:34:01,704 WARN L228 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_3edf27d4-2f03-44dc-b688-936418d7aef9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[445039,445052] [2021-11-13 18:34:01,717 WARN L228 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_3edf27d4-2f03-44dc-b688-936418d7aef9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[445184,445197] [2021-11-13 18:34:01,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:34:01,828 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:34:02,392 WARN L228 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_3edf27d4-2f03-44dc-b688-936418d7aef9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[445039,445052] [2021-11-13 18:34:02,393 WARN L228 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_3edf27d4-2f03-44dc-b688-936418d7aef9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[445184,445197] [2021-11-13 18:34:02,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:34:02,607 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:34:02,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:02 WrapperNode [2021-11-13 18:34:02,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:34:02,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:34:02,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:34:02,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:34:02,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:02" (1/1) ... [2021-11-13 18:34:02,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:02" (1/1) ... [2021-11-13 18:34:03,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:34:03,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:34:03,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:34:03,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:34:03,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:02" (1/1) ... [2021-11-13 18:34:03,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:02" (1/1) ... [2021-11-13 18:34:03,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:02" (1/1) ... [2021-11-13 18:34:03,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:02" (1/1) ... [2021-11-13 18:34:03,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:02" (1/1) ... [2021-11-13 18:34:03,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:02" (1/1) ... [2021-11-13 18:34:03,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:02" (1/1) ... [2021-11-13 18:34:03,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:34:03,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:34:03,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:34:03,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:34:03,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:02" (1/1) ... [2021-11-13 18:34:03,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:34:03,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edf27d4-2f03-44dc-b688-936418d7aef9/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:34:03,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edf27d4-2f03-44dc-b688-936418d7aef9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:34:03,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3edf27d4-2f03-44dc-b688-936418d7aef9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:34:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_handler_adjust [2021-11-13 18:34:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_handler_adjust [2021-11-13 18:34:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 18:34:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 18:34:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-13 18:34:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-13 18:34:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_core_destroy [2021-11-13 18:34:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_core_destroy [2021-11-13 18:34:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 18:34:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 18:34:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-13 18:34:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-13 18:34:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_watermark_intr_disable [2021-11-13 18:34:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_watermark_intr_disable [2021-11-13 18:34:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 18:34:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 18:34:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_recv_next [2021-11-13 18:34:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_recv_next [2021-11-13 18:34:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-13 18:34:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-13 18:34:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_send_next [2021-11-13 18:34:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_send_next [2021-11-13 18:34:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 18:34:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 18:34:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_ce_deinit [2021-11-13 18:34:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_ce_deinit [2021-11-13 18:34:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_start [2021-11-13 18:34:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_start [2021-11-13 18:34:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_resume [2021-11-13 18:34:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_resume [2021-11-13 18:34:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 18:34:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 18:34:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_read32 [2021-11-13 18:34:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_read32 [2021-11-13 18:34:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-13 18:34:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-13 18:34:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 18:34:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 18:34:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2021-11-13 18:34:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2021-11-13 18:34:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-11-13 18:34:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-11-13 18:34:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:34:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-11-13 18:34:03,751 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-11-13 18:34:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_mem [2021-11-13 18:34:03,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_mem [2021-11-13 18:34:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-13 18:34:03,752 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-13 18:34:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-13 18:34:03,752 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-13 18:34:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_base_address [2021-11-13 18:34:03,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_base_address [2021-11-13 18:34:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_access [2021-11-13 18:34:03,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_access [2021-11-13 18:34:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-13 18:34:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-13 18:34:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 18:34:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 18:34:03,756 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 18:34:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 18:34:03,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 18:34:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 18:34:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 18:34:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 18:34:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:34:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 18:34:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 18:34:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_84 [2021-11-13 18:34:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_84 [2021-11-13 18:34:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-13 18:34:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-13 18:34:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:34:03,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:34:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_86 [2021-11-13 18:34:03,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_86 [2021-11-13 18:34:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_88 [2021-11-13 18:34:03,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_88 [2021-11-13 18:34:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-13 18:34:03,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-13 18:34:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 18:34:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 18:34:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_wake [2021-11-13 18:34:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_wake [2021-11-13 18:34:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 18:34:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 18:34:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 18:34:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 18:34:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_copy_complete_intr_disable [2021-11-13 18:34:03,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_copy_complete_intr_disable [2021-11-13 18:34:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_compl [2021-11-13 18:34:03,763 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_compl [2021-11-13 18:34:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_process_ce [2021-11-13 18:34:03,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_process_ce [2021-11-13 18:34:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_read32 [2021-11-13 18:34:03,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_read32 [2021-11-13 18:34:03,764 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-13 18:34:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-13 18:34:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-13 18:34:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-13 18:34:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 18:34:03,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 18:34:03,766 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_wake [2021-11-13 18:34:03,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_wake [2021-11-13 18:34:03,766 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_cleanup_ce [2021-11-13 18:34:03,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_cleanup_ce [2021-11-13 18:34:03,766 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_disable_interrupts [2021-11-13 18:34:03,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_disable_interrupts [2021-11-13 18:34:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:34:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-13 18:34:03,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-13 18:34:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-13 18:34:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-13 18:34:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_sleep [2021-11-13 18:34:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_sleep [2021-11-13 18:34:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-13 18:34:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-13 18:34:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-13 18:34:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-13 18:34:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 18:34:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 18:34:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 18:34:03,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 18:34:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_request_early_irq [2021-11-13 18:34:03,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_request_early_irq [2021-11-13 18:34:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:34:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-13 18:34:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-13 18:34:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:34:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:34:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_write32 [2021-11-13 18:34:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_write32 [2021-11-13 18:34:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:34:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:34:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-13 18:34:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-13 18:34:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-13 18:34:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-13 18:34:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-13 18:34:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-13 18:34:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_get_free_queue_number [2021-11-13 18:34:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_get_free_queue_number [2021-11-13 18:34:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_stop [2021-11-13 18:34:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_stop [2021-11-13 18:34:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_recv_buf_enqueue [2021-11-13 18:34:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_recv_buf_enqueue [2021-11-13 18:34:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_priv [2021-11-13 18:34:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_priv [2021-11-13 18:34:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 18:34:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 18:34:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 18:34:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 18:34:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_deinit [2021-11-13 18:34:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_deinit [2021-11-13 18:34:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2021-11-13 18:34:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2021-11-13 18:34:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:34:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:34:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_rx_pipe_cleanup [2021-11-13 18:34:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_rx_pipe_cleanup [2021-11-13 18:34:03,786 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_revoke_recv_next [2021-11-13 18:34:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_revoke_recv_next [2021-11-13 18:34:03,786 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_access [2021-11-13 18:34:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_access [2021-11-13 18:34:03,786 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-13 18:34:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-13 18:34:03,786 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_stop_ce [2021-11-13 18:34:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_stop_ce [2021-11-13 18:34:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_device_reset [2021-11-13 18:34:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_device_reset [2021-11-13 18:34:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-13 18:34:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-13 18:34:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:34:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:34:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 18:34:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 18:34:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_post_rx_pipe [2021-11-13 18:34:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_post_rx_pipe [2021-11-13 18:34:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_irq [2021-11-13 18:34:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_irq [2021-11-13 18:34:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-13 18:34:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-13 18:34:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2021-11-13 18:34:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2021-11-13 18:34:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_down [2021-11-13 18:34:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_down [2021-11-13 18:34:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-13 18:34:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-13 18:34:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_service [2021-11-13 18:34:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_service [2021-11-13 18:34:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-13 18:34:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-13 18:34:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:34:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:34:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_send [2021-11-13 18:34:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_send [2021-11-13 18:34:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_suspend [2021-11-13 18:34:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_suspend [2021-11-13 18:34:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-13 18:34:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-13 18:34:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-13 18:34:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-13 18:34:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-13 18:34:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-13 18:34:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:34:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 18:34:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 18:34:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_src_ring_read_index_get [2021-11-13 18:34:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_src_ring_read_index_get [2021-11-13 18:34:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure ATH10K_SKB_CB [2021-11-13 18:34:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ATH10K_SKB_CB [2021-11-13 18:34:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_early_irq [2021-11-13 18:34:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_early_irq [2021-11-13 18:34:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:34:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-13 18:34:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-13 18:34:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_sleep [2021-11-13 18:34:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_sleep [2021-11-13 18:34:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_kill_tasklet [2021-11-13 18:34:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_kill_tasklet [2021-11-13 18:34:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_remove [2021-11-13 18:34:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_remove [2021-11-13 18:34:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:34:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-13 18:34:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-13 18:34:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_disable_and_clear_legacy_irq [2021-11-13 18:34:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_disable_and_clear_legacy_irq [2021-11-13 18:34:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-13 18:34:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-13 18:34:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-13 18:34:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-13 18:34:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_irq_pending [2021-11-13 18:34:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_irq_pending [2021-11-13 18:34:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-13 18:34:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-13 18:34:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 18:34:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 18:34:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-13 18:34:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-13 18:34:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 18:34:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 18:34:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-13 18:34:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-13 18:34:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-13 18:34:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-13 18:34:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_87 [2021-11-13 18:34:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_87 [2021-11-13 18:34:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_85 [2021-11-13 18:34:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_85 [2021-11-13 18:34:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_83 [2021-11-13 18:34:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_83 [2021-11-13 18:34:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_write32 [2021-11-13 18:34:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_write32 [2021-11-13 18:34:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_map_service_to_pipe [2021-11-13 18:34:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_map_service_to_pipe [2021-11-13 18:34:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2021-11-13 18:34:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2021-11-13 18:34:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 18:34:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 18:34:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 18:34:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 18:34:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:34:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-11-13 18:34:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-11-13 18:34:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 18:34:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 18:34:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-13 18:34:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-13 18:34:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-13 18:34:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-13 18:34:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg_dump [2021-11-13 18:34:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg_dump [2021-11-13 18:34:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-11-13 18:34:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-11-13 18:34:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_up [2021-11-13 18:34:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_up [2021-11-13 18:34:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 18:34:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 18:34:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_deinit_irq [2021-11-13 18:34:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_deinit_irq [2021-11-13 18:34:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2021-11-13 18:34:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2021-11-13 18:34:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-13 18:34:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-13 18:34:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure host_interest_item_address [2021-11-13 18:34:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure host_interest_item_address [2021-11-13 18:34:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_mem [2021-11-13 18:34:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_mem [2021-11-13 18:34:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-13 18:34:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-13 18:34:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-13 18:34:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-13 18:34:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_cancel_send_next [2021-11-13 18:34:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_cancel_send_next [2021-11-13 18:34:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:34:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 18:34:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 18:34:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_engine_int_status_clear [2021-11-13 18:34:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_engine_int_status_clear [2021-11-13 18:34:05,531 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:34:24,340 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-13 18:34:24,574 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:34:24,575 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-13 18:34:24,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:34:24 BoogieIcfgContainer [2021-11-13 18:34:24,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:34:24,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:34:24,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:34:24,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:34:24,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:33:56" (1/3) ... [2021-11-13 18:34:24,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@734ccb69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:34:24, skipping insertion in model container [2021-11-13 18:34:24,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:02" (2/3) ... [2021-11-13 18:34:24,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@734ccb69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:34:24, skipping insertion in model container [2021-11-13 18:34:24,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:34:24" (3/3) ... [2021-11-13 18:34:24,590 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2021-11-13 18:34:24,597 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:34:24,597 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:34:24,686 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:34:24,696 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:34:24,696 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:34:24,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 2564 states, 1685 states have (on average 1.2783382789317508) internal successors, (2154), 1732 states have internal predecessors, (2154), 741 states have call successors, (741), 142 states have call predecessors, (741), 141 states have return successors, (732), 726 states have call predecessors, (732), 732 states have call successors, (732) [2021-11-13 18:34:24,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-13 18:34:24,872 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:34:24,873 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:34:24,873 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:34:24,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:34:24,879 INFO L85 PathProgramCache]: Analyzing trace with hash 348737208, now seen corresponding path program 1 times [2021-11-13 18:34:24,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:34:24,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461524366] [2021-11-13 18:34:24,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:34:24,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:34:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:34:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:34:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:34:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:34:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:34:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:34:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:34:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:34:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:34:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:34:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:34:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:34:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:34:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:34:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:34:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:26,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 18:34:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:27,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-13 18:34:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:27,019 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-13 18:34:27,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:34:27,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461524366] [2021-11-13 18:34:27,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461524366] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:34:27,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:34:27,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:34:27,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860430049] [2021-11-13 18:34:27,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:34:27,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:34:27,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:34:27,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:34:27,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:34:27,074 INFO L87 Difference]: Start difference. First operand has 2564 states, 1685 states have (on average 1.2783382789317508) internal successors, (2154), 1732 states have internal predecessors, (2154), 741 states have call successors, (741), 142 states have call predecessors, (741), 141 states have return successors, (732), 726 states have call predecessors, (732), 732 states have call successors, (732) Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-13 18:34:29,196 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:34:31,317 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:34:42,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:34:42,589 INFO L93 Difference]: Finished difference Result 7981 states and 11570 transitions. [2021-11-13 18:34:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:34:42,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 210 [2021-11-13 18:34:42,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:34:42,703 INFO L225 Difference]: With dead ends: 7981 [2021-11-13 18:34:42,703 INFO L226 Difference]: Without dead ends: 5378 [2021-11-13 18:34:42,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:34:42,750 INFO L933 BasicCegarLoop]: 3957 mSDtfsCounter, 4591 mSDsluCounter, 3925 mSDsCounter, 0 mSdLazyCounter, 2810 mSolverCounterSat, 2529 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12713.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5255 SdHoareTripleChecker+Valid, 7882 SdHoareTripleChecker+Invalid, 5341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 143.02ms SdHoareTripleChecker+Time, 2529 IncrementalHoareTripleChecker+Valid, 2810 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14591.25ms IncrementalHoareTripleChecker+Time [2021-11-13 18:34:42,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5255 Valid, 7882 Invalid, 5341 Unknown, 0 Unchecked, 143.02ms Time], IncrementalHoareTripleChecker [2529 Valid, 2810 Invalid, 2 Unknown, 0 Unchecked, 14591.25ms Time] [2021-11-13 18:34:42,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5378 states. [2021-11-13 18:34:43,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5378 to 4779. [2021-11-13 18:34:43,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4779 states, 3160 states have (on average 1.2699367088607596) internal successors, (4013), 3235 states have internal predecessors, (4013), 1345 states have call successors, (1345), 273 states have call predecessors, (1345), 273 states have return successors, (1345), 1332 states have call predecessors, (1345), 1345 states have call successors, (1345) [2021-11-13 18:34:43,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4779 states to 4779 states and 6703 transitions. [2021-11-13 18:34:43,270 INFO L78 Accepts]: Start accepts. Automaton has 4779 states and 6703 transitions. Word has length 210 [2021-11-13 18:34:43,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:34:43,273 INFO L470 AbstractCegarLoop]: Abstraction has 4779 states and 6703 transitions. [2021-11-13 18:34:43,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-13 18:34:43,273 INFO L276 IsEmpty]: Start isEmpty. Operand 4779 states and 6703 transitions. [2021-11-13 18:34:43,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-13 18:34:43,297 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:34:43,298 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 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] [2021-11-13 18:34:43,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:34:43,299 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:34:43,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:34:43,300 INFO L85 PathProgramCache]: Analyzing trace with hash -288505001, now seen corresponding path program 1 times [2021-11-13 18:34:43,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:34:43,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689366084] [2021-11-13 18:34:43,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:34:43,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:34:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:34:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:43,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:43,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:34:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:43,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:43,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:34:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:43,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:43,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:34:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:43,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:43,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:34:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:43,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:34:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:43,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:34:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:34:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:34:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:34:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:34:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:34:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:34:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:34:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:34:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 18:34:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 18:34:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 18:34:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-13 18:34:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-13 18:34:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 18:34:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:34:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-13 18:34:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-13 18:34:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-13 18:34:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:34:44,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2021-11-13 18:34:44,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:34:44,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689366084] [2021-11-13 18:34:44,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689366084] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:34:44,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:34:44,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:34:44,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432008398] [2021-11-13 18:34:44,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:34:44,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:34:44,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:34:44,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:34:44,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:34:44,580 INFO L87 Difference]: Start difference. First operand 4779 states and 6703 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-13 18:34:46,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:34:48,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:34:55,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:35:01,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:35:01,125 INFO L93 Difference]: Finished difference Result 12695 states and 18004 transitions. [2021-11-13 18:35:01,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:35:01,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 276 [2021-11-13 18:35:01,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:35:01,219 INFO L225 Difference]: With dead ends: 12695 [2021-11-13 18:35:01,219 INFO L226 Difference]: Without dead ends: 7951 [2021-11-13 18:35:01,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:35:01,260 INFO L933 BasicCegarLoop]: 6243 mSDtfsCounter, 3639 mSDsluCounter, 4892 mSDsCounter, 0 mSdLazyCounter, 2869 mSolverCounterSat, 1742 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14172.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4282 SdHoareTripleChecker+Valid, 11135 SdHoareTripleChecker+Invalid, 4614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 88.63ms SdHoareTripleChecker+Time, 1742 IncrementalHoareTripleChecker+Valid, 2869 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15880.16ms IncrementalHoareTripleChecker+Time [2021-11-13 18:35:01,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4282 Valid, 11135 Invalid, 4614 Unknown, 0 Unchecked, 88.63ms Time], IncrementalHoareTripleChecker [1742 Valid, 2869 Invalid, 3 Unknown, 0 Unchecked, 15880.16ms Time] [2021-11-13 18:35:01,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7951 states. [2021-11-13 18:35:01,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7951 to 7056. [2021-11-13 18:35:01,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7056 states, 4663 states have (on average 1.2693544928157838) internal successors, (5919), 4773 states have internal predecessors, (5919), 1985 states have call successors, (1985), 407 states have call predecessors, (1985), 407 states have return successors, (1985), 1965 states have call predecessors, (1985), 1985 states have call successors, (1985) [2021-11-13 18:35:01,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7056 states to 7056 states and 9889 transitions. [2021-11-13 18:35:01,775 INFO L78 Accepts]: Start accepts. Automaton has 7056 states and 9889 transitions. Word has length 276 [2021-11-13 18:35:01,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:35:01,778 INFO L470 AbstractCegarLoop]: Abstraction has 7056 states and 9889 transitions. [2021-11-13 18:35:01,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-13 18:35:01,779 INFO L276 IsEmpty]: Start isEmpty. Operand 7056 states and 9889 transitions. [2021-11-13 18:35:01,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-13 18:35:01,795 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:35:01,796 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 3, 3, 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] [2021-11-13 18:35:01,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:35:01,796 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:35:01,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:35:01,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1832028166, now seen corresponding path program 1 times [2021-11-13 18:35:01,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:35:01,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979746126] [2021-11-13 18:35:01,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:35:01,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:35:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:35:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:35:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:35:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:35:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:35:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:35:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:35:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:35:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:35:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:35:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:35:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:35:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:35:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:35:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:35:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 18:35:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-13 18:35:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:35:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-13 18:35:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:35:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-13 18:35:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:35:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:02,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-13 18:35:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:03,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-13 18:35:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:03,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:03,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-13 18:35:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:03,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1147 trivial. 0 not checked. [2021-11-13 18:35:03,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:35:03,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979746126] [2021-11-13 18:35:03,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979746126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:35:03,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:35:03,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:35:03,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399980773] [2021-11-13 18:35:03,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:35:03,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:35:03,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:35:03,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:35:03,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:35:03,081 INFO L87 Difference]: Start difference. First operand 7056 states and 9889 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-13 18:35:05,175 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:35:07,312 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:35:16,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:35:16,096 INFO L93 Difference]: Finished difference Result 17916 states and 25341 transitions. [2021-11-13 18:35:16,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:35:16,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 288 [2021-11-13 18:35:16,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:35:16,218 INFO L225 Difference]: With dead ends: 17916 [2021-11-13 18:35:16,218 INFO L226 Difference]: Without dead ends: 10895 [2021-11-13 18:35:16,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:35:16,276 INFO L933 BasicCegarLoop]: 5533 mSDtfsCounter, 3498 mSDsluCounter, 4441 mSDsCounter, 0 mSdLazyCounter, 2845 mSolverCounterSat, 1810 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11021.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4123 SdHoareTripleChecker+Valid, 9974 SdHoareTripleChecker+Invalid, 4657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 63.15ms SdHoareTripleChecker+Time, 1810 IncrementalHoareTripleChecker+Valid, 2845 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12462.19ms IncrementalHoareTripleChecker+Time [2021-11-13 18:35:16,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4123 Valid, 9974 Invalid, 4657 Unknown, 0 Unchecked, 63.15ms Time], IncrementalHoareTripleChecker [1810 Valid, 2845 Invalid, 2 Unknown, 0 Unchecked, 12462.19ms Time] [2021-11-13 18:35:16,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10895 states. [2021-11-13 18:35:16,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10895 to 9706. [2021-11-13 18:35:16,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9706 states, 6450 states have (on average 1.2674418604651163) internal successors, (8175), 6610 states have internal predecessors, (8175), 2687 states have call successors, (2687), 568 states have call predecessors, (2687), 568 states have return successors, (2687), 2653 states have call predecessors, (2687), 2687 states have call successors, (2687) [2021-11-13 18:35:16,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9706 states to 9706 states and 13549 transitions. [2021-11-13 18:35:16,946 INFO L78 Accepts]: Start accepts. Automaton has 9706 states and 13549 transitions. Word has length 288 [2021-11-13 18:35:16,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:35:16,947 INFO L470 AbstractCegarLoop]: Abstraction has 9706 states and 13549 transitions. [2021-11-13 18:35:16,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-13 18:35:16,947 INFO L276 IsEmpty]: Start isEmpty. Operand 9706 states and 13549 transitions. [2021-11-13 18:35:16,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-13 18:35:16,964 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:35:16,965 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 16, 16, 16, 16, 16, 16, 3, 3, 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] [2021-11-13 18:35:16,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:35:16,966 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:35:16,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:35:16,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1942578335, now seen corresponding path program 1 times [2021-11-13 18:35:16,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:35:16,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356560465] [2021-11-13 18:35:16,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:35:16,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:35:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:35:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:35:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:35:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:35:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:35:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:35:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:35:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:35:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:35:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:35:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:35:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:35:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:35:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:35:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:35:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 18:35:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 18:35:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:35:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:35:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-13 18:35:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:35:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:35:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-13 18:35:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:35:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-13 18:35:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-13 18:35:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-13 18:35:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:17,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2021-11-13 18:35:17,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:35:17,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356560465] [2021-11-13 18:35:17,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356560465] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:35:17,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:35:17,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:35:17,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734133462] [2021-11-13 18:35:17,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:35:17,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:35:17,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:35:17,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:35:17,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:35:17,974 INFO L87 Difference]: Start difference. First operand 9706 states and 13549 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-13 18:35:20,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:35:22,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:35:27,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:35:27,661 INFO L93 Difference]: Finished difference Result 20837 states and 29296 transitions. [2021-11-13 18:35:27,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:35:27,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 308 [2021-11-13 18:35:27,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:35:27,743 INFO L225 Difference]: With dead ends: 20837 [2021-11-13 18:35:27,743 INFO L226 Difference]: Without dead ends: 11166 [2021-11-13 18:35:27,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:35:27,797 INFO L933 BasicCegarLoop]: 3335 mSDtfsCounter, 1302 mSDsluCounter, 3806 mSDsCounter, 0 mSdLazyCounter, 2024 mSolverCounterSat, 874 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8258.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1633 SdHoareTripleChecker+Valid, 7141 SdHoareTripleChecker+Invalid, 2900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.25ms SdHoareTripleChecker+Time, 874 IncrementalHoareTripleChecker+Valid, 2024 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9284.95ms IncrementalHoareTripleChecker+Time [2021-11-13 18:35:27,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1633 Valid, 7141 Invalid, 2900 Unknown, 0 Unchecked, 34.25ms Time], IncrementalHoareTripleChecker [874 Valid, 2024 Invalid, 2 Unknown, 0 Unchecked, 9284.95ms Time] [2021-11-13 18:35:27,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11166 states. [2021-11-13 18:35:28,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11166 to 9985. [2021-11-13 18:35:28,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9985 states, 6653 states have (on average 1.2651435442657448) internal successors, (8417), 6815 states have internal predecessors, (8417), 2736 states have call successors, (2736), 595 states have call predecessors, (2736), 595 states have return successors, (2736), 2702 states have call predecessors, (2736), 2736 states have call successors, (2736) [2021-11-13 18:35:28,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9985 states to 9985 states and 13889 transitions. [2021-11-13 18:35:28,360 INFO L78 Accepts]: Start accepts. Automaton has 9985 states and 13889 transitions. Word has length 308 [2021-11-13 18:35:28,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:35:28,361 INFO L470 AbstractCegarLoop]: Abstraction has 9985 states and 13889 transitions. [2021-11-13 18:35:28,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-13 18:35:28,362 INFO L276 IsEmpty]: Start isEmpty. Operand 9985 states and 13889 transitions. [2021-11-13 18:35:28,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-13 18:35:28,387 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:35:28,387 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:35:28,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:35:28,388 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:35:28,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:35:28,388 INFO L85 PathProgramCache]: Analyzing trace with hash -651462092, now seen corresponding path program 1 times [2021-11-13 18:35:28,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:35:28,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048148554] [2021-11-13 18:35:28,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:35:28,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:35:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:28,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:35:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:28,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:28,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:35:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:28,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:28,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:35:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:28,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:28,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:35:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:28,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:35:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:28,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:28,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:35:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:28,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:28,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:35:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:28,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:28,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:35:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:35:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:35:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:35:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:35:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:35:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:35:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:35:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 18:35:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 18:35:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 18:35:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-13 18:35:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-13 18:35:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 18:35:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-13 18:35:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-13 18:35:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-13 18:35:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:35:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:35:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-13 18:35:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:35:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:35:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-13 18:35:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-13 18:35:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-13 18:35:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1386 trivial. 0 not checked. [2021-11-13 18:35:29,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:35:29,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048148554] [2021-11-13 18:35:29,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048148554] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:35:29,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:35:29,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:35:29,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967851345] [2021-11-13 18:35:29,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:35:29,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:35:29,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:35:29,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:35:29,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:35:29,589 INFO L87 Difference]: Start difference. First operand 9985 states and 13889 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-13 18:35:31,684 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:35:33,779 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:35:38,315 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:35:44,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:35:44,578 INFO L93 Difference]: Finished difference Result 23746 states and 33382 transitions. [2021-11-13 18:35:44,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:35:44,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 352 [2021-11-13 18:35:44,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:35:44,668 INFO L225 Difference]: With dead ends: 23746 [2021-11-13 18:35:44,668 INFO L226 Difference]: Without dead ends: 14013 [2021-11-13 18:35:44,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:35:44,714 INFO L933 BasicCegarLoop]: 6251 mSDtfsCounter, 3644 mSDsluCounter, 4909 mSDsCounter, 0 mSdLazyCounter, 2860 mSolverCounterSat, 1740 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13015.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4286 SdHoareTripleChecker+Valid, 11160 SdHoareTripleChecker+Invalid, 4603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 53.54ms SdHoareTripleChecker+Time, 1740 IncrementalHoareTripleChecker+Valid, 2860 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14421.81ms IncrementalHoareTripleChecker+Time [2021-11-13 18:35:44,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4286 Valid, 11160 Invalid, 4603 Unknown, 0 Unchecked, 53.54ms Time], IncrementalHoareTripleChecker [1740 Valid, 2860 Invalid, 3 Unknown, 0 Unchecked, 14421.81ms Time] [2021-11-13 18:35:44,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14013 states. [2021-11-13 18:35:45,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14013 to 12532. [2021-11-13 18:35:45,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12532 states, 8349 states have (on average 1.2651814588573482) internal successors, (10563), 8551 states have internal predecessors, (10563), 3434 states have call successors, (3434), 748 states have call predecessors, (3434), 748 states have return successors, (3434), 3390 states have call predecessors, (3434), 3434 states have call successors, (3434) [2021-11-13 18:35:45,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12532 states to 12532 states and 17431 transitions. [2021-11-13 18:35:45,477 INFO L78 Accepts]: Start accepts. Automaton has 12532 states and 17431 transitions. Word has length 352 [2021-11-13 18:35:45,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:35:45,478 INFO L470 AbstractCegarLoop]: Abstraction has 12532 states and 17431 transitions. [2021-11-13 18:35:45,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-13 18:35:45,479 INFO L276 IsEmpty]: Start isEmpty. Operand 12532 states and 17431 transitions. [2021-11-13 18:35:45,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-13 18:35:45,507 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:35:45,507 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:35:45,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:35:45,508 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:35:45,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:35:45,509 INFO L85 PathProgramCache]: Analyzing trace with hash -403315598, now seen corresponding path program 1 times [2021-11-13 18:35:45,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:35:45,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575574029] [2021-11-13 18:35:45,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:35:45,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:35:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:35:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:35:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:35:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:35:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:35:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:35:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:35:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:35:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:35:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:35:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:35:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:35:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:35:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:35:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:35:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 18:35:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 18:35:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 18:35:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-13 18:35:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-13 18:35:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 18:35:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-13 18:35:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-13 18:35:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-13 18:35:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:35:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:35:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-13 18:35:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:35:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:35:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-13 18:35:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-13 18:35:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-13 18:35:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:46,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2021-11-13 18:35:46,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:35:46,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575574029] [2021-11-13 18:35:46,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575574029] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:35:46,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:35:46,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:35:46,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850421480] [2021-11-13 18:35:46,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:35:46,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:35:46,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:35:46,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:35:46,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:35:46,848 INFO L87 Difference]: Start difference. First operand 12532 states and 17431 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-13 18:35:48,942 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:35:51,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:35:58,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:35:58,381 INFO L93 Difference]: Finished difference Result 26289 states and 37028 transitions. [2021-11-13 18:35:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 18:35:58,382 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 352 [2021-11-13 18:35:58,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:35:58,480 INFO L225 Difference]: With dead ends: 26289 [2021-11-13 18:35:58,481 INFO L226 Difference]: Without dead ends: 14009 [2021-11-13 18:35:58,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:35:58,540 INFO L933 BasicCegarLoop]: 3285 mSDtfsCounter, 3850 mSDsluCounter, 2652 mSDsCounter, 0 mSdLazyCounter, 3167 mSolverCounterSat, 1721 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9842.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4237 SdHoareTripleChecker+Valid, 5937 SdHoareTripleChecker+Invalid, 4890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.94ms SdHoareTripleChecker+Time, 1721 IncrementalHoareTripleChecker+Valid, 3167 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10979.24ms IncrementalHoareTripleChecker+Time [2021-11-13 18:35:58,541 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4237 Valid, 5937 Invalid, 4890 Unknown, 0 Unchecked, 34.94ms Time], IncrementalHoareTripleChecker [1721 Valid, 3167 Invalid, 2 Unknown, 0 Unchecked, 10979.24ms Time] [2021-11-13 18:35:58,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14009 states. [2021-11-13 18:35:59,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14009 to 12532. [2021-11-13 18:35:59,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12532 states, 8349 states have (on average 1.2645825847406875) internal successors, (10558), 8551 states have internal predecessors, (10558), 3434 states have call successors, (3434), 748 states have call predecessors, (3434), 748 states have return successors, (3434), 3390 states have call predecessors, (3434), 3434 states have call successors, (3434) [2021-11-13 18:35:59,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12532 states to 12532 states and 17426 transitions. [2021-11-13 18:35:59,512 INFO L78 Accepts]: Start accepts. Automaton has 12532 states and 17426 transitions. Word has length 352 [2021-11-13 18:35:59,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:35:59,513 INFO L470 AbstractCegarLoop]: Abstraction has 12532 states and 17426 transitions. [2021-11-13 18:35:59,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-13 18:35:59,513 INFO L276 IsEmpty]: Start isEmpty. Operand 12532 states and 17426 transitions. [2021-11-13 18:35:59,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-13 18:35:59,537 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:35:59,538 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:35:59,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 18:35:59,538 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:35:59,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:35:59,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1261991936, now seen corresponding path program 1 times [2021-11-13 18:35:59,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:35:59,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271830648] [2021-11-13 18:35:59,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:35:59,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:35:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:59,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:35:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:35:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:35:59,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:36:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:36:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:36:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:36:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:36:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:36:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:36:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:36:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:36:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:36:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:36:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:36:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:36:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:36:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 18:36:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 18:36:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 18:36:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-13 18:36:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-13 18:36:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 18:36:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-13 18:36:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-13 18:36:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-13 18:36:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:36:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:36:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-13 18:36:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:36:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:36:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-13 18:36:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-13 18:36:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-13 18:36:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:00,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2021-11-13 18:36:00,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:36:00,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271830648] [2021-11-13 18:36:00,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271830648] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:36:00,857 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:36:00,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:36:00,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984772184] [2021-11-13 18:36:00,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:36:00,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:36:00,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:36:00,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:36:00,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:36:00,859 INFO L87 Difference]: Start difference. First operand 12532 states and 17426 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-13 18:36:02,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:36:05,026 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:36:13,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:36:13,422 INFO L93 Difference]: Finished difference Result 26289 states and 37018 transitions. [2021-11-13 18:36:13,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 18:36:13,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 353 [2021-11-13 18:36:13,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:36:13,494 INFO L225 Difference]: With dead ends: 26289 [2021-11-13 18:36:13,494 INFO L226 Difference]: Without dead ends: 14009 [2021-11-13 18:36:13,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:36:13,536 INFO L933 BasicCegarLoop]: 3292 mSDtfsCounter, 5557 mSDsluCounter, 2660 mSDsCounter, 0 mSdLazyCounter, 3171 mSolverCounterSat, 4376 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10468.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5557 SdHoareTripleChecker+Valid, 5952 SdHoareTripleChecker+Invalid, 7549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 42.38ms SdHoareTripleChecker+Time, 4376 IncrementalHoareTripleChecker+Valid, 3171 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11767.63ms IncrementalHoareTripleChecker+Time [2021-11-13 18:36:13,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5557 Valid, 5952 Invalid, 7549 Unknown, 0 Unchecked, 42.38ms Time], IncrementalHoareTripleChecker [4376 Valid, 3171 Invalid, 2 Unknown, 0 Unchecked, 11767.63ms Time] [2021-11-13 18:36:13,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14009 states. [2021-11-13 18:36:14,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14009 to 12532. [2021-11-13 18:36:14,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12532 states, 8349 states have (on average 1.2639837106240268) internal successors, (10553), 8551 states have internal predecessors, (10553), 3434 states have call successors, (3434), 748 states have call predecessors, (3434), 748 states have return successors, (3434), 3390 states have call predecessors, (3434), 3434 states have call successors, (3434) [2021-11-13 18:36:14,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12532 states to 12532 states and 17421 transitions. [2021-11-13 18:36:14,319 INFO L78 Accepts]: Start accepts. Automaton has 12532 states and 17421 transitions. Word has length 353 [2021-11-13 18:36:14,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:36:14,321 INFO L470 AbstractCegarLoop]: Abstraction has 12532 states and 17421 transitions. [2021-11-13 18:36:14,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-13 18:36:14,321 INFO L276 IsEmpty]: Start isEmpty. Operand 12532 states and 17421 transitions. [2021-11-13 18:36:14,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-11-13 18:36:14,343 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:36:14,343 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:36:14,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 18:36:14,344 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:36:14,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:36:14,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1461434542, now seen corresponding path program 1 times [2021-11-13 18:36:14,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:36:14,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176123835] [2021-11-13 18:36:14,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:36:14,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:36:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:14,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:36:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:14,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:36:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:36:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:36:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:36:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:36:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:36:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:36:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:36:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:36:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:36:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:36:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:36:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:36:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:36:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 18:36:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 18:36:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 18:36:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-13 18:36:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-13 18:36:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 18:36:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-13 18:36:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-13 18:36:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-13 18:36:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:36:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:36:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-13 18:36:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:36:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:36:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-13 18:36:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-13 18:36:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-13 18:36:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2021-11-13 18:36:15,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:36:15,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176123835] [2021-11-13 18:36:15,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176123835] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:36:15,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:36:15,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:36:15,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735761226] [2021-11-13 18:36:15,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:36:15,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:36:15,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:36:15,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:36:15,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:36:15,738 INFO L87 Difference]: Start difference. First operand 12532 states and 17421 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-13 18:36:17,823 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:36:20,006 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:36:25,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:36:29,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:36:32,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:36:32,419 INFO L93 Difference]: Finished difference Result 26289 states and 37008 transitions. [2021-11-13 18:36:32,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 18:36:32,424 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 354 [2021-11-13 18:36:32,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:36:32,491 INFO L225 Difference]: With dead ends: 26289 [2021-11-13 18:36:32,492 INFO L226 Difference]: Without dead ends: 14009 [2021-11-13 18:36:32,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:36:32,535 INFO L933 BasicCegarLoop]: 3294 mSDtfsCounter, 5547 mSDsluCounter, 2661 mSDsCounter, 0 mSdLazyCounter, 3168 mSolverCounterSat, 4374 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14415.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5547 SdHoareTripleChecker+Valid, 5955 SdHoareTripleChecker+Invalid, 7546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 41.40ms SdHoareTripleChecker+Time, 4374 IncrementalHoareTripleChecker+Valid, 3168 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15963.54ms IncrementalHoareTripleChecker+Time [2021-11-13 18:36:32,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5547 Valid, 5955 Invalid, 7546 Unknown, 0 Unchecked, 41.40ms Time], IncrementalHoareTripleChecker [4374 Valid, 3168 Invalid, 4 Unknown, 0 Unchecked, 15963.54ms Time] [2021-11-13 18:36:32,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14009 states. [2021-11-13 18:36:33,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14009 to 12532. [2021-11-13 18:36:33,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12532 states, 8349 states have (on average 1.263384836507366) internal successors, (10548), 8551 states have internal predecessors, (10548), 3434 states have call successors, (3434), 748 states have call predecessors, (3434), 748 states have return successors, (3434), 3390 states have call predecessors, (3434), 3434 states have call successors, (3434) [2021-11-13 18:36:33,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12532 states to 12532 states and 17416 transitions. [2021-11-13 18:36:33,330 INFO L78 Accepts]: Start accepts. Automaton has 12532 states and 17416 transitions. Word has length 354 [2021-11-13 18:36:33,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:36:33,331 INFO L470 AbstractCegarLoop]: Abstraction has 12532 states and 17416 transitions. [2021-11-13 18:36:33,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-13 18:36:33,332 INFO L276 IsEmpty]: Start isEmpty. Operand 12532 states and 17416 transitions. [2021-11-13 18:36:33,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-11-13 18:36:33,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:36:33,353 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:36:33,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 18:36:33,354 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:36:33,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:36:33,354 INFO L85 PathProgramCache]: Analyzing trace with hash -831262660, now seen corresponding path program 1 times [2021-11-13 18:36:33,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:36:33,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261168028] [2021-11-13 18:36:33,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:36:33,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:36:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:33,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:36:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:33,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:33,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:36:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:33,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:33,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:36:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:33,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:33,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:36:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:33,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:33,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:36:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:33,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:36:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:36:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:36:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:36:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:36:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:36:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:36:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:36:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:36:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:36:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 18:36:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 18:36:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 18:36:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-13 18:36:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-13 18:36:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 18:36:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-13 18:36:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-13 18:36:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-13 18:36:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:36:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:36:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-13 18:36:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:36:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:36:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:36:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-13 18:36:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-13 18:36:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-13 18:36:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:36:34,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2021-11-13 18:36:34,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:36:34,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261168028] [2021-11-13 18:36:34,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261168028] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:36:34,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:36:34,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:36:34,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774665229] [2021-11-13 18:36:34,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:36:34,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:36:34,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:36:34,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:36:34,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:36:34,652 INFO L87 Difference]: Start difference. First operand 12532 states and 17416 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-13 18:36:36,741 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:36:38,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:37:03,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:37:03,657 INFO L93 Difference]: Finished difference Result 50042 states and 70769 transitions. [2021-11-13 18:37:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 18:37:03,658 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 355 [2021-11-13 18:37:03,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:37:03,924 INFO L225 Difference]: With dead ends: 50042 [2021-11-13 18:37:03,924 INFO L226 Difference]: Without dead ends: 37762 [2021-11-13 18:37:03,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:37:03,995 INFO L933 BasicCegarLoop]: 6618 mSDtfsCounter, 11142 mSDsluCounter, 6330 mSDsCounter, 0 mSdLazyCounter, 9382 mSolverCounterSat, 6132 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23136.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11848 SdHoareTripleChecker+Valid, 12948 SdHoareTripleChecker+Invalid, 15516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 115.66ms SdHoareTripleChecker+Time, 6132 IncrementalHoareTripleChecker+Valid, 9382 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26681.79ms IncrementalHoareTripleChecker+Time [2021-11-13 18:37:03,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11848 Valid, 12948 Invalid, 15516 Unknown, 0 Unchecked, 115.66ms Time], IncrementalHoareTripleChecker [6132 Valid, 9382 Invalid, 2 Unknown, 0 Unchecked, 26681.79ms Time] [2021-11-13 18:37:04,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37762 states. [2021-11-13 18:37:06,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37762 to 34630. [2021-11-13 18:37:06,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34630 states, 23120 states have (on average 1.2601643598615917) internal successors, (29135), 23789 states have internal predecessors, (29135), 9362 states have call successors, (9362), 2140 states have call predecessors, (9362), 2147 states have return successors, (10006), 9076 states have call predecessors, (10006), 9362 states have call successors, (10006) [2021-11-13 18:37:06,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34630 states to 34630 states and 48503 transitions. [2021-11-13 18:37:06,381 INFO L78 Accepts]: Start accepts. Automaton has 34630 states and 48503 transitions. Word has length 355 [2021-11-13 18:37:06,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:37:06,382 INFO L470 AbstractCegarLoop]: Abstraction has 34630 states and 48503 transitions. [2021-11-13 18:37:06,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-13 18:37:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 34630 states and 48503 transitions. [2021-11-13 18:37:06,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-13 18:37:06,403 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:37:06,403 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:37:06,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-13 18:37:06,404 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:37:06,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:37:06,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1224084714, now seen corresponding path program 1 times [2021-11-13 18:37:06,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:37:06,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091387253] [2021-11-13 18:37:06,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:37:06,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:37:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:06,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:37:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:06,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:06,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:37:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:06,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:06,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:37:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:06,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:06,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:37:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:06,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:06,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:37:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:06,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:06,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:37:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:06,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:06,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:37:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:37:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:37:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:37:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:37:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:37:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:37:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:37:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:37:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 18:37:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 18:37:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 18:37:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-13 18:37:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-13 18:37:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 18:37:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-13 18:37:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-13 18:37:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-13 18:37:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:37:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:37:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-13 18:37:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:37:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:37:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-13 18:37:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-13 18:37:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-13 18:37:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:07,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2021-11-13 18:37:07,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:37:07,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091387253] [2021-11-13 18:37:07,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091387253] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:37:07,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:37:07,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:37:07,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156168135] [2021-11-13 18:37:07,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:37:07,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:37:07,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:37:07,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:37:07,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:37:07,910 INFO L87 Difference]: Start difference. First operand 34630 states and 48503 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-13 18:37:10,005 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:37:12,118 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:37:27,894 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:37:44,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:37:44,559 INFO L93 Difference]: Finished difference Result 140489 states and 199427 transitions. [2021-11-13 18:37:44,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 18:37:44,560 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 356 [2021-11-13 18:37:44,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:37:45,440 INFO L225 Difference]: With dead ends: 140489 [2021-11-13 18:37:45,440 INFO L226 Difference]: Without dead ends: 106111 [2021-11-13 18:37:45,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:37:45,647 INFO L933 BasicCegarLoop]: 6869 mSDtfsCounter, 11790 mSDsluCounter, 6639 mSDsCounter, 0 mSdLazyCounter, 9779 mSolverCounterSat, 7311 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26442.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12537 SdHoareTripleChecker+Valid, 13508 SdHoareTripleChecker+Invalid, 17093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 119.70ms SdHoareTripleChecker+Time, 7311 IncrementalHoareTripleChecker+Valid, 9779 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30899.14ms IncrementalHoareTripleChecker+Time [2021-11-13 18:37:45,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12537 Valid, 13508 Invalid, 17093 Unknown, 0 Unchecked, 119.70ms Time], IncrementalHoareTripleChecker [7311 Valid, 9779 Invalid, 3 Unknown, 0 Unchecked, 30899.14ms Time] [2021-11-13 18:37:45,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106111 states. [2021-11-13 18:37:51,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106111 to 99421. [2021-11-13 18:37:51,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99421 states, 66707 states have (on average 1.2634955851709715) internal successors, (84284), 68718 states have internal predecessors, (84284), 26644 states have call successors, (26644), 6180 states have call predecessors, (26644), 6069 states have return successors, (29009), 25543 states have call predecessors, (29009), 26644 states have call successors, (29009) [2021-11-13 18:37:53,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99421 states to 99421 states and 139937 transitions. [2021-11-13 18:37:53,035 INFO L78 Accepts]: Start accepts. Automaton has 99421 states and 139937 transitions. Word has length 356 [2021-11-13 18:37:53,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:37:53,036 INFO L470 AbstractCegarLoop]: Abstraction has 99421 states and 139937 transitions. [2021-11-13 18:37:53,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-13 18:37:53,037 INFO L276 IsEmpty]: Start isEmpty. Operand 99421 states and 139937 transitions. [2021-11-13 18:37:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-11-13 18:37:53,065 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:37:53,065 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:37:53,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-13 18:37:53,066 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:37:53,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:37:53,066 INFO L85 PathProgramCache]: Analyzing trace with hash 629860472, now seen corresponding path program 1 times [2021-11-13 18:37:53,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:37:53,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995792759] [2021-11-13 18:37:53,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:37:53,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:37:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:37:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:37:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:37:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:37:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:37:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:37:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:37:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:37:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:37:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:37:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:37:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:37:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:37:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:37:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:53,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:37:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 18:37:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 18:37:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 18:37:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-13 18:37:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-13 18:37:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 18:37:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-13 18:37:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-13 18:37:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-13 18:37:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:37:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:37:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-13 18:37:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:37:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:37:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:37:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-13 18:37:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-13 18:37:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-13 18:37:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:37:54,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2021-11-13 18:37:54,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:37:54,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995792759] [2021-11-13 18:37:54,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995792759] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:37:54,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:37:54,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:37:54,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110007843] [2021-11-13 18:37:54,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:37:54,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:37:54,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:37:54,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:37:54,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:37:54,417 INFO L87 Difference]: Start difference. First operand 99421 states and 139937 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-13 18:37:56,517 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:37:58,640 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:38:14,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:38:14,598 INFO L93 Difference]: Finished difference Result 205246 states and 292256 transitions. [2021-11-13 18:38:14,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 18:38:14,599 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 357 [2021-11-13 18:38:14,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:38:15,544 INFO L225 Difference]: With dead ends: 205246 [2021-11-13 18:38:15,544 INFO L226 Difference]: Without dead ends: 106077 [2021-11-13 18:38:16,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:38:16,090 INFO L933 BasicCegarLoop]: 3288 mSDtfsCounter, 5549 mSDsluCounter, 2659 mSDsCounter, 0 mSdLazyCounter, 3170 mSolverCounterSat, 4377 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11799.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5549 SdHoareTripleChecker+Valid, 5947 SdHoareTripleChecker+Invalid, 7549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 51.70ms SdHoareTripleChecker+Time, 4377 IncrementalHoareTripleChecker+Valid, 3170 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13348.47ms IncrementalHoareTripleChecker+Time [2021-11-13 18:38:16,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5549 Valid, 5947 Invalid, 7549 Unknown, 0 Unchecked, 51.70ms Time], IncrementalHoareTripleChecker [4377 Valid, 3170 Invalid, 2 Unknown, 0 Unchecked, 13348.47ms Time] [2021-11-13 18:38:16,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106077 states. [2021-11-13 18:38:21,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106077 to 99421. [2021-11-13 18:38:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99421 states, 66707 states have (on average 1.2628209932990542) internal successors, (84239), 68718 states have internal predecessors, (84239), 26644 states have call successors, (26644), 6180 states have call predecessors, (26644), 6069 states have return successors, (29009), 25543 states have call predecessors, (29009), 26644 states have call successors, (29009) [2021-11-13 18:38:22,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99421 states to 99421 states and 139892 transitions. [2021-11-13 18:38:22,952 INFO L78 Accepts]: Start accepts. Automaton has 99421 states and 139892 transitions. Word has length 357 [2021-11-13 18:38:22,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:38:22,953 INFO L470 AbstractCegarLoop]: Abstraction has 99421 states and 139892 transitions. [2021-11-13 18:38:22,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-13 18:38:22,954 INFO L276 IsEmpty]: Start isEmpty. Operand 99421 states and 139892 transitions. [2021-11-13 18:38:22,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-11-13 18:38:22,975 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:38:22,976 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:38:22,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-13 18:38:22,976 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:38:22,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:38:22,977 INFO L85 PathProgramCache]: Analyzing trace with hash -496705242, now seen corresponding path program 1 times [2021-11-13 18:38:22,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:38:22,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3035744] [2021-11-13 18:38:22,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:38:22,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:38:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:38:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:38:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:38:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:38:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:38:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:38:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:38:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:38:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:38:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:38:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:38:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:38:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:38:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:38:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:38:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 18:38:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-13 18:38:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 18:38:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-13 18:38:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-13 18:38:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 18:38:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-13 18:38:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-13 18:38:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:23,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-13 18:38:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:24,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:24,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:38:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:24,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:38:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-13 18:38:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:24,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:38:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:24,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:38:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:24,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:38:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:24,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-13 18:38:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:24,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-13 18:38:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:24,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-13 18:38:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:38:24,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2021-11-13 18:38:24,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:38:24,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3035744] [2021-11-13 18:38:24,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3035744] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:38:24,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:38:24,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:38:24,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486479609] [2021-11-13 18:38:24,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:38:24,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:38:24,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:38:24,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:38:24,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:38:24,476 INFO L87 Difference]: Start difference. First operand 99421 states and 139892 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-13 18:38:26,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:38:28,680 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:38:34,268 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:38:45,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:38:45,919 INFO L93 Difference]: Finished difference Result 205246 states and 292166 transitions. [2021-11-13 18:38:45,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 18:38:45,920 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 358 [2021-11-13 18:38:45,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:38:46,458 INFO L225 Difference]: With dead ends: 205246 [2021-11-13 18:38:46,458 INFO L226 Difference]: Without dead ends: 106077 [2021-11-13 18:38:46,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:38:46,838 INFO L933 BasicCegarLoop]: 3291 mSDtfsCounter, 5539 mSDsluCounter, 2661 mSDsCounter, 0 mSdLazyCounter, 3169 mSolverCounterSat, 4373 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12799.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5539 SdHoareTripleChecker+Valid, 5952 SdHoareTripleChecker+Invalid, 7545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 45.89ms SdHoareTripleChecker+Time, 4373 IncrementalHoareTripleChecker+Valid, 3169 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14346.31ms IncrementalHoareTripleChecker+Time [2021-11-13 18:38:46,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5539 Valid, 5952 Invalid, 7545 Unknown, 0 Unchecked, 45.89ms Time], IncrementalHoareTripleChecker [4373 Valid, 3169 Invalid, 3 Unknown, 0 Unchecked, 14346.31ms Time] [2021-11-13 18:38:46,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106077 states.