./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro --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 aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:32:08,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:32:08,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:32:08,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:32:08,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:32:08,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:32:08,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:32:08,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:32:08,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:32:08,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:32:08,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:32:08,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:32:08,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:32:08,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:32:08,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:32:08,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:32:08,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:32:08,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:32:08,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:32:08,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:32:08,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:32:08,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:32:08,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:32:08,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:32:08,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:32:08,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:32:08,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:32:08,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:32:08,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:32:08,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:32:08,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:32:08,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:32:08,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:32:08,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:32:08,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:32:08,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:32:08,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:32:08,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:32:08,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:32:08,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:32:08,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:32:08,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:32:08,847 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:32:08,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:32:08,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:32:08,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:32:08,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:32:08,850 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:32:08,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:32:08,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:32:08,852 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:32:08,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:32:08,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:32:08,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:32:08,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:32:08,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:32:08,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:32:08,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:32:08,854 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:32:08,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:32:08,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:32:08,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:32:08,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:32:08,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:32:08,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:32:08,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:32:08,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:32:08,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:32:08,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:32:08,859 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:32:08,859 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:32:08,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:32:08,859 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_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f [2022-11-18 20:32:09,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:32:09,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:32:09,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:32:09,214 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:32:09,215 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:32:09,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-11-18 20:32:09,291 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/data/fae43de33/87e13375ec53424e84f59c3fe2bfd4e3/FLAGd2f1994b4 [2022-11-18 20:32:10,360 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:32:10,360 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-11-18 20:32:10,412 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/data/fae43de33/87e13375ec53424e84f59c3fe2bfd4e3/FLAGd2f1994b4 [2022-11-18 20:32:10,703 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/data/fae43de33/87e13375ec53424e84f59c3fe2bfd4e3 [2022-11-18 20:32:10,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:32:10,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:32:10,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:32:10,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:32:10,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:32:10,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:32:10" (1/1) ... [2022-11-18 20:32:10,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5823128c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:10, skipping insertion in model container [2022-11-18 20:32:10,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:32:10" (1/1) ... [2022-11-18 20:32:10,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:32:10,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:32:13,746 WARN L234 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_6598236d-3793-4dfb-9849-89e162e1fd42/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2022-11-18 20:32:13,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:32:13,838 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:32:14,275 WARN L234 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_6598236d-3793-4dfb-9849-89e162e1fd42/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2022-11-18 20:32:14,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:32:14,453 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:32:14,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:14 WrapperNode [2022-11-18 20:32:14,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:32:14,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:32:14,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:32:14,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:32:14,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:14" (1/1) ... [2022-11-18 20:32:14,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:14" (1/1) ... [2022-11-18 20:32:14,819 INFO L138 Inliner]: procedures = 299, calls = 2066, calls flagged for inlining = 144, calls inlined = 138, statements flattened = 4791 [2022-11-18 20:32:14,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:32:14,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:32:14,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:32:14,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:32:14,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:14" (1/1) ... [2022-11-18 20:32:14,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:14" (1/1) ... [2022-11-18 20:32:14,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:14" (1/1) ... [2022-11-18 20:32:14,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:14" (1/1) ... [2022-11-18 20:32:14,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:14" (1/1) ... [2022-11-18 20:32:15,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:14" (1/1) ... [2022-11-18 20:32:15,099 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:14" (1/1) ... [2022-11-18 20:32:15,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:14" (1/1) ... [2022-11-18 20:32:15,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:32:15,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:32:15,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:32:15,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:32:15,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:14" (1/1) ... [2022-11-18 20:32:15,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:32:15,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:32:15,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:32:15,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:32:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2022-11-18 20:32:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2022-11-18 20:32:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_7 [2022-11-18 20:32:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_7 [2022-11-18 20:32:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-11-18 20:32:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-11-18 20:32:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-18 20:32:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-18 20:32:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:32:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:32:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 20:32:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 20:32:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-18 20:32:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-18 20:32:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2022-11-18 20:32:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2022-11-18 20:32:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-18 20:32:15,265 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-18 20:32:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-18 20:32:15,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-18 20:32:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_read_byte [2022-11-18 20:32:15,265 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_read_byte [2022-11-18 20:32:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:32:15,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:32:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-11-18 20:32:15,266 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-11-18 20:32:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2022-11-18 20:32:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2022-11-18 20:32:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2022-11-18 20:32:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2022-11-18 20:32:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2022-11-18 20:32:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2022-11-18 20:32:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:32:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:32:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-18 20:32:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-18 20:32:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-18 20:32:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-18 20:32:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-11-18 20:32:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-11-18 20:32:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 20:32:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 20:32:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-18 20:32:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-18 20:32:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:32:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:32:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2022-11-18 20:32:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2022-11-18 20:32:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ioctl [2022-11-18 20:32:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ioctl [2022-11-18 20:32:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:32:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:32:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-18 20:32:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-18 20:32:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-18 20:32:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-18 20:32:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2022-11-18 20:32:15,275 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2022-11-18 20:32:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:32:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2022-11-18 20:32:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2022-11-18 20:32:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-18 20:32:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-18 20:32:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-18 20:32:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-18 20:32:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:32:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 20:32:15,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 20:32:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-18 20:32:15,278 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-18 20:32:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 20:32:15,279 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 20:32:15,279 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_stats [2022-11-18 20:32:15,279 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_stats [2022-11-18 20:32:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-18 20:32:15,280 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-18 20:32:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-18 20:32:15,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-18 20:32:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 20:32:15,280 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 20:32:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-18 20:32:15,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-18 20:32:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:32:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:32:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2022-11-18 20:32:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2022-11-18 20:32:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-18 20:32:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-18 20:32:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2022-11-18 20:32:15,283 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2022-11-18 20:32:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-18 20:32:15,283 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-18 20:32:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-18 20:32:15,284 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-18 20:32:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 20:32:15,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 20:32:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-18 20:32:15,285 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-18 20:32:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 20:32:15,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 20:32:15,287 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-18 20:32:15,287 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-18 20:32:15,288 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2022-11-18 20:32:15,288 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2022-11-18 20:32:15,288 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2022-11-18 20:32:15,288 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2022-11-18 20:32:15,288 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 20:32:15,288 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 20:32:15,289 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2022-11-18 20:32:15,289 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2022-11-18 20:32:15,289 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2022-11-18 20:32:15,289 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2022-11-18 20:32:15,290 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2022-11-18 20:32:15,290 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2022-11-18 20:32:15,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:32:15,290 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 20:32:15,290 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 20:32:15,291 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout_work [2022-11-18 20:32:15,292 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout_work [2022-11-18 20:32:15,294 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 20:32:15,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 20:32:15,294 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-18 20:32:15,294 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-18 20:32:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 20:32:15,295 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 20:32:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 20:32:15,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 20:32:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2022-11-18 20:32:15,295 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2022-11-18 20:32:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2022-11-18 20:32:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2022-11-18 20:32:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2022-11-18 20:32:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2022-11-18 20:32:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-18 20:32:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-18 20:32:15,296 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2022-11-18 20:32:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2022-11-18 20:32:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2022-11-18 20:32:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2022-11-18 20:32:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-18 20:32:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-18 20:32:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:32:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 20:32:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 20:32:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2022-11-18 20:32:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2022-11-18 20:32:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2022-11-18 20:32:15,299 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2022-11-18 20:32:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2022-11-18 20:32:15,299 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2022-11-18 20:32:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:32:15,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:32:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2022-11-18 20:32:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2022-11-18 20:32:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2022-11-18 20:32:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2022-11-18 20:32:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 20:32:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 20:32:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:32:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-11-18 20:32:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-11-18 20:32:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 20:32:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 20:32:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-18 20:32:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-18 20:32:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2022-11-18 20:32:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2022-11-18 20:32:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-18 20:32:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-18 20:32:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:32:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2022-11-18 20:32:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2022-11-18 20:32:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-18 20:32:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-18 20:32:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 20:32:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 20:32:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:32:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 20:32:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-18 20:32:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-18 20:32:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2022-11-18 20:32:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2022-11-18 20:32:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-11-18 20:32:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-11-18 20:32:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2022-11-18 20:32:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2022-11-18 20:32:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2022-11-18 20:32:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2022-11-18 20:32:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_7 [2022-11-18 20:32:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_7 [2022-11-18 20:32:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-18 20:32:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-18 20:32:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-11-18 20:32:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-11-18 20:32:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-18 20:32:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-18 20:32:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-18 20:32:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-18 20:32:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-18 20:32:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-18 20:32:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2022-11-18 20:32:15,309 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2022-11-18 20:32:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:32:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-18 20:32:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2022-11-18 20:32:15,309 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2022-11-18 20:32:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-11-18 20:32:15,310 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-11-18 20:32:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-18 20:32:15,310 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-18 20:32:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:32:15,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:32:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-18 20:32:15,311 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-18 20:32:16,215 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:32:16,223 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:32:16,932 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:32:20,796 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret316#1;havoc tlan_eisa_probe_#t~ret316#1; [2022-11-18 20:32:20,796 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041: SUMMARY for call tlan_eisa_probe_#t~ret316#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-18 20:32:20,796 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2022-11-18 20:32:20,797 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2022-11-18 20:32:20,797 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7043: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2022-11-18 20:32:20,797 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret317#1;havoc tlan_eisa_probe_#t~ret317#1; [2022-11-18 20:32:20,797 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047: SUMMARY for call tlan_eisa_probe_#t~ret317#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-18 20:32:20,797 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume 8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296; [2022-11-18 20:32:20,797 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume !(8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296); [2022-11-18 20:32:20,798 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7049: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2022-11-18 20:32:20,798 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret318#1;havoc tlan_eisa_probe_#t~ret318#1; [2022-11-18 20:32:20,798 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053: SUMMARY for call tlan_eisa_probe_#t~ret318#1 := inb((if (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-18 20:32:20,798 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume 1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296; [2022-11-18 20:32:20,799 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume !(1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296); [2022-11-18 20:32:20,799 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055-1: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet324#1; [2022-11-18 20:32:20,799 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055-1: assume !(16 == ~debug~0); [2022-11-18 20:32:20,799 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2022-11-18 20:32:20,799 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet319#1; [2022-11-18 20:32:20,800 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume !(16 == ~debug~0); [2022-11-18 20:32:20,800 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059-2: SUMMARY for call tlan_eisa_probe_#t~ret320#1 := inb((if (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-18 20:32:20,800 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7063: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret320#1;havoc tlan_eisa_probe_#t~ret320#1;tlan_eisa_probe_#t~switch321#1 := 16 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-11-18 20:32:20,800 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7064: havoc tlan_eisa_probe_#t~switch321#1; [2022-11-18 20:32:20,800 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume tlan_eisa_probe_#t~switch321#1;tlan_eisa_probe_~irq~0#1 := 5; [2022-11-18 20:32:20,801 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume !tlan_eisa_probe_#t~switch321#1;tlan_eisa_probe_#t~switch321#1 := tlan_eisa_probe_#t~switch321#1 || 32 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-11-18 20:32:20,801 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume tlan_eisa_probe_#t~switch321#1;tlan_eisa_probe_~irq~0#1 := 9; [2022-11-18 20:32:20,801 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume !tlan_eisa_probe_#t~switch321#1;tlan_eisa_probe_#t~switch321#1 := tlan_eisa_probe_#t~switch321#1 || 64 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-11-18 20:32:20,801 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume tlan_eisa_probe_#t~switch321#1;tlan_eisa_probe_~irq~0#1 := 10; [2022-11-18 20:32:20,801 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume !tlan_eisa_probe_#t~switch321#1;tlan_eisa_probe_#t~switch321#1 := tlan_eisa_probe_#t~switch321#1 || 128 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-11-18 20:32:20,803 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume tlan_eisa_probe_#t~switch321#1;tlan_eisa_probe_~irq~0#1 := 11; [2022-11-18 20:32:20,807 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume !tlan_eisa_probe_#t~switch321#1;tlan_eisa_probe_#t~switch321#1 := true; [2022-11-18 20:32:20,808 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume tlan_eisa_probe_#t~switch321#1; [2022-11-18 20:32:20,808 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume !tlan_eisa_probe_#t~switch321#1; [2022-11-18 20:32:20,808 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7078: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet323#1; [2022-11-18 20:32:20,808 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7078: assume !(16 == ~debug~0); [2022-11-18 20:32:20,816 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7080: SUMMARY for call tlan_eisa_probe_#t~ret322#1 := tlan_probe1(0, 0, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12, 0, 0); srcloc: null [2022-11-18 20:32:20,816 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7081: assume -2147483648 <= tlan_eisa_probe_#t~ret322#1 && tlan_eisa_probe_#t~ret322#1 <= 2147483647;tlan_eisa_probe_~rc~3#1 := tlan_eisa_probe_#t~ret322#1;havoc tlan_eisa_probe_#t~ret322#1; [2022-11-18 20:32:20,818 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume 0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16))); [2022-11-18 20:32:20,818 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume !(0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)))); [2022-11-18 20:32:20,818 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022: SUMMARY for call tlan_eisa_probe_#t~ret310#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-18 20:32:20,821 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022-1: tlan_eisa_probe_~tmp~38#1 := tlan_eisa_probe_#t~ret310#1;havoc tlan_eisa_probe_#t~ret310#1;havoc tlan_eisa_probe_#t~nondet311#1; [2022-11-18 20:32:20,821 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7090-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2022-11-18 20:32:20,821 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume 0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)));havoc tlan_eisa_probe_#t~nondet314#1; [2022-11-18 20:32:20,821 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume !(0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)))); [2022-11-18 20:32:20,821 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027-1: tlan_eisa_probe_~tmp___0~11#1 := tlan_eisa_probe_#t~ret312#1;havoc tlan_eisa_probe_#t~ret312#1;havoc tlan_eisa_probe_#t~nondet313#1; [2022-11-18 20:32:20,822 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027: SUMMARY for call tlan_eisa_probe_#t~ret312#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-18 20:32:20,822 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-1: call tlan_eisa_probe_#t~ret315#1.base, tlan_eisa_probe_#t~ret315#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0);tlan_eisa_probe_~tmp___1~4#1.base, tlan_eisa_probe_~tmp___1~4#1.offset := tlan_eisa_probe_#t~ret315#1.base, tlan_eisa_probe_#t~ret315#1.offset;havoc tlan_eisa_probe_#t~ret315#1.base, tlan_eisa_probe_#t~ret315#1.offset; [2022-11-18 20:32:20,822 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2022-11-18 20:32:20,822 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2022-11-18 20:32:20,822 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7099: assume 0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16))); [2022-11-18 20:32:20,823 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7099: assume !(0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)))); [2022-11-18 20:32:20,823 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume 0 == (tlan_eisa_probe_~tmp___1~4#1.base + tlan_eisa_probe_~tmp___1~4#1.offset) % 18446744073709551616; [2022-11-18 20:32:20,827 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume !(0 == (tlan_eisa_probe_~tmp___1~4#1.base + tlan_eisa_probe_~tmp___1~4#1.offset) % 18446744073709551616); [2022-11-18 20:32:21,055 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:32:21,082 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:32:21,083 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:32:21,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:32:21 BoogieIcfgContainer [2022-11-18 20:32:21,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:32:21,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:32:21,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:32:21,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:32:21,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:32:10" (1/3) ... [2022-11-18 20:32:21,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275bb5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:32:21, skipping insertion in model container [2022-11-18 20:32:21,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:32:14" (2/3) ... [2022-11-18 20:32:21,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275bb5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:32:21, skipping insertion in model container [2022-11-18 20:32:21,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:32:21" (3/3) ... [2022-11-18 20:32:21,096 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-11-18 20:32:21,115 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:32:21,115 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:32:21,212 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:32:21,218 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@bc69390, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:32:21,219 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:32:21,230 INFO L276 IsEmpty]: Start isEmpty. Operand has 2050 states, 1379 states have (on average 1.3284989122552575) internal successors, (1832), 1427 states have internal predecessors, (1832), 570 states have call successors, (570), 100 states have call predecessors, (570), 99 states have return successors, (562), 551 states have call predecessors, (562), 562 states have call successors, (562) [2022-11-18 20:32:21,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-18 20:32:21,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:32:21,270 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:32:21,271 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:32:21,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:32:21,276 INFO L85 PathProgramCache]: Analyzing trace with hash -406253687, now seen corresponding path program 1 times [2022-11-18 20:32:21,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:32:21,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284024508] [2022-11-18 20:32:21,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:32:21,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:32:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:32:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:32:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:32:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:32:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:32:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:32:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:32:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:32:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 20:32:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 20:32:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 20:32:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:32:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-11-18 20:32:22,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:32:22,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284024508] [2022-11-18 20:32:22,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284024508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:32:22,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:32:22,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:32:22,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121211643] [2022-11-18 20:32:22,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:32:22,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:32:22,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:32:22,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:32:22,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:32:22,664 INFO L87 Difference]: Start difference. First operand has 2050 states, 1379 states have (on average 1.3284989122552575) internal successors, (1832), 1427 states have internal predecessors, (1832), 570 states have call successors, (570), 100 states have call predecessors, (570), 99 states have return successors, (562), 551 states have call predecessors, (562), 562 states have call successors, (562) Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 20:32:28,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:32:28,811 INFO L93 Difference]: Finished difference Result 4331 states and 6348 transitions. [2022-11-18 20:32:28,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:32:28,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 195 [2022-11-18 20:32:28,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:32:28,865 INFO L225 Difference]: With dead ends: 4331 [2022-11-18 20:32:28,865 INFO L226 Difference]: Without dead ends: 2243 [2022-11-18 20:32:28,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:32:28,897 INFO L413 NwaCegarLoop]: 1917 mSDtfsCounter, 2469 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 1727 mSolverCounterSat, 2610 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2496 SdHoareTripleChecker+Valid, 2972 SdHoareTripleChecker+Invalid, 4337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2610 IncrementalHoareTripleChecker+Valid, 1727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:32:28,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2496 Valid, 2972 Invalid, 4337 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2610 Valid, 1727 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-18 20:32:28,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2243 states. [2022-11-18 20:32:29,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2243 to 2007. [2022-11-18 20:32:29,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2007 states, 1353 states have (on average 1.3155949741315596) internal successors, (1780), 1391 states have internal predecessors, (1780), 556 states have call successors, (556), 98 states have call predecessors, (556), 97 states have return successors, (555), 544 states have call predecessors, (555), 555 states have call successors, (555) [2022-11-18 20:32:29,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 2007 states and 2891 transitions. [2022-11-18 20:32:29,193 INFO L78 Accepts]: Start accepts. Automaton has 2007 states and 2891 transitions. Word has length 195 [2022-11-18 20:32:29,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:32:29,194 INFO L495 AbstractCegarLoop]: Abstraction has 2007 states and 2891 transitions. [2022-11-18 20:32:29,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 20:32:29,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2891 transitions. [2022-11-18 20:32:29,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-18 20:32:29,218 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:32:29,219 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:32:29,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:32:29,220 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:32:29,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:32:29,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1286609015, now seen corresponding path program 1 times [2022-11-18 20:32:29,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:32:29,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574377109] [2022-11-18 20:32:29,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:32:29,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:32:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:32:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:32:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:32:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:32:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:32:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:32:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:32:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:32:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:29,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 20:32:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:30,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:30,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 20:32:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:30,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:30,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 20:32:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:30,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:30,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-18 20:32:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-11-18 20:32:30,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:32:30,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574377109] [2022-11-18 20:32:30,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574377109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:32:30,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:32:30,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:32:30,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360568960] [2022-11-18 20:32:30,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:32:30,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:32:30,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:32:30,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:32:30,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:32:30,071 INFO L87 Difference]: Start difference. First operand 2007 states and 2891 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 20:32:36,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:32:36,766 INFO L93 Difference]: Finished difference Result 4252 states and 6169 transitions. [2022-11-18 20:32:36,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:32:36,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 190 [2022-11-18 20:32:36,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:32:36,788 INFO L225 Difference]: With dead ends: 4252 [2022-11-18 20:32:36,788 INFO L226 Difference]: Without dead ends: 2274 [2022-11-18 20:32:36,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:32:36,804 INFO L413 NwaCegarLoop]: 1877 mSDtfsCounter, 2508 mSDsluCounter, 2668 mSDsCounter, 0 mSdLazyCounter, 3091 mSolverCounterSat, 2607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2538 SdHoareTripleChecker+Valid, 4545 SdHoareTripleChecker+Invalid, 5698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2607 IncrementalHoareTripleChecker+Valid, 3091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:32:36,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2538 Valid, 4545 Invalid, 5698 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2607 Valid, 3091 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-18 20:32:36,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2022-11-18 20:32:36,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 2009. [2022-11-18 20:32:36,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2009 states, 1355 states have (on average 1.3151291512915129) internal successors, (1782), 1393 states have internal predecessors, (1782), 556 states have call successors, (556), 98 states have call predecessors, (556), 97 states have return successors, (555), 544 states have call predecessors, (555), 555 states have call successors, (555) [2022-11-18 20:32:36,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2893 transitions. [2022-11-18 20:32:36,916 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2893 transitions. Word has length 190 [2022-11-18 20:32:36,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:32:36,918 INFO L495 AbstractCegarLoop]: Abstraction has 2009 states and 2893 transitions. [2022-11-18 20:32:36,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 20:32:36,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2893 transitions. [2022-11-18 20:32:36,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-18 20:32:36,926 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:32:36,927 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:32:36,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:32:36,927 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:32:36,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:32:36,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1269814150, now seen corresponding path program 1 times [2022-11-18 20:32:36,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:32:36,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576285876] [2022-11-18 20:32:36,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:32:36,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:32:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:32:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:32:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:32:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:32:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:32:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:32:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:32:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:32:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 20:32:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 20:32:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 20:32:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:32:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-18 20:32:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-18 20:32:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:37,671 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2022-11-18 20:32:37,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:32:37,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576285876] [2022-11-18 20:32:37,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576285876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:32:37,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:32:37,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:32:37,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850425071] [2022-11-18 20:32:37,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:32:37,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:32:37,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:32:37,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:32:37,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:32:37,675 INFO L87 Difference]: Start difference. First operand 2009 states and 2893 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 20:32:49,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:32:49,187 INFO L93 Difference]: Finished difference Result 6168 states and 8953 transitions. [2022-11-18 20:32:49,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:32:49,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 208 [2022-11-18 20:32:49,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:32:49,228 INFO L225 Difference]: With dead ends: 6168 [2022-11-18 20:32:49,228 INFO L226 Difference]: Without dead ends: 4188 [2022-11-18 20:32:49,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:32:49,247 INFO L413 NwaCegarLoop]: 2145 mSDtfsCounter, 5008 mSDsluCounter, 3626 mSDsCounter, 0 mSdLazyCounter, 4446 mSolverCounterSat, 3805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5239 SdHoareTripleChecker+Valid, 5771 SdHoareTripleChecker+Invalid, 8251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3805 IncrementalHoareTripleChecker+Valid, 4446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:32:49,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5239 Valid, 5771 Invalid, 8251 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3805 Valid, 4446 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2022-11-18 20:32:49,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4188 states. [2022-11-18 20:32:49,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4188 to 3721. [2022-11-18 20:32:49,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3721 states, 2486 states have (on average 1.3141592920353982) internal successors, (3267), 2558 states have internal predecessors, (3267), 1055 states have call successors, (1055), 180 states have call predecessors, (1055), 179 states have return successors, (1054), 1032 states have call predecessors, (1054), 1054 states have call successors, (1054) [2022-11-18 20:32:49,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3721 states to 3721 states and 5376 transitions. [2022-11-18 20:32:49,483 INFO L78 Accepts]: Start accepts. Automaton has 3721 states and 5376 transitions. Word has length 208 [2022-11-18 20:32:49,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:32:49,484 INFO L495 AbstractCegarLoop]: Abstraction has 3721 states and 5376 transitions. [2022-11-18 20:32:49,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 20:32:49,484 INFO L276 IsEmpty]: Start isEmpty. Operand 3721 states and 5376 transitions. [2022-11-18 20:32:49,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-18 20:32:49,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:32:49,492 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 20:32:49,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:32:49,493 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:32:49,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:32:49,493 INFO L85 PathProgramCache]: Analyzing trace with hash -853198742, now seen corresponding path program 1 times [2022-11-18 20:32:49,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:32:49,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122230462] [2022-11-18 20:32:49,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:32:49,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:32:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:49,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:32:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:49,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:49,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:49,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:32:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:49,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:49,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:32:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:49,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:49,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:49,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:32:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:49,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:49,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:49,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:32:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:49,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:49,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:32:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:32:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:32:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:32:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 20:32:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 20:32:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 20:32:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 20:32:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 20:32:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 20:32:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-18 20:32:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:32:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-11-18 20:32:50,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:32:50,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122230462] [2022-11-18 20:32:50,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122230462] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:32:50,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:32:50,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:32:50,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289290608] [2022-11-18 20:32:50,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:32:50,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:32:50,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:32:50,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:32:50,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:32:50,199 INFO L87 Difference]: Start difference. First operand 3721 states and 5376 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 20:33:05,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:05,397 INFO L93 Difference]: Finished difference Result 11572 states and 16802 transitions. [2022-11-18 20:33:05,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:33:05,397 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 217 [2022-11-18 20:33:05,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:05,460 INFO L225 Difference]: With dead ends: 11572 [2022-11-18 20:33:05,460 INFO L226 Difference]: Without dead ends: 7884 [2022-11-18 20:33:05,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:33:05,488 INFO L413 NwaCegarLoop]: 1198 mSDtfsCounter, 7428 mSDsluCounter, 2785 mSDsCounter, 0 mSdLazyCounter, 7108 mSolverCounterSat, 6051 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7674 SdHoareTripleChecker+Valid, 3983 SdHoareTripleChecker+Invalid, 13159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6051 IncrementalHoareTripleChecker+Valid, 7108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:05,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7674 Valid, 3983 Invalid, 13159 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6051 Valid, 7108 Invalid, 0 Unknown, 0 Unchecked, 14.3s Time] [2022-11-18 20:33:05,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7884 states. [2022-11-18 20:33:06,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7884 to 6862. [2022-11-18 20:33:06,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6862 states, 4549 states have (on average 1.3060013189712025) internal successors, (5941), 4700 states have internal predecessors, (5941), 1976 states have call successors, (1976), 336 states have call predecessors, (1976), 336 states have return successors, (1979), 1925 states have call predecessors, (1979), 1975 states have call successors, (1979) [2022-11-18 20:33:06,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6862 states to 6862 states and 9896 transitions. [2022-11-18 20:33:06,202 INFO L78 Accepts]: Start accepts. Automaton has 6862 states and 9896 transitions. Word has length 217 [2022-11-18 20:33:06,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:06,202 INFO L495 AbstractCegarLoop]: Abstraction has 6862 states and 9896 transitions. [2022-11-18 20:33:06,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 20:33:06,204 INFO L276 IsEmpty]: Start isEmpty. Operand 6862 states and 9896 transitions. [2022-11-18 20:33:06,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-18 20:33:06,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:06,211 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:33:06,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:33:06,211 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:33:06,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:06,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1598534661, now seen corresponding path program 1 times [2022-11-18 20:33:06,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:06,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928089811] [2022-11-18 20:33:06,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:06,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:06,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:33:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:06,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:06,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:06,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:33:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:06,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:06,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:06,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:33:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:06,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:06,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:06,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:33:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:06,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:06,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:06,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:33:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:06,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:06,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:06,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:33:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:33:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:33:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 20:33:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 20:33:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-18 20:33:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 20:33:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 20:33:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-18 20:33:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-18 20:33:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:07,182 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-11-18 20:33:07,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:07,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928089811] [2022-11-18 20:33:07,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928089811] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:33:07,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:33:07,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:33:07,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821278802] [2022-11-18 20:33:07,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:33:07,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:33:07,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:07,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:33:07,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:33:07,187 INFO L87 Difference]: Start difference. First operand 6862 states and 9896 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-18 20:33:26,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:26,066 INFO L93 Difference]: Finished difference Result 25718 states and 38839 transitions. [2022-11-18 20:33:26,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 20:33:26,067 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 211 [2022-11-18 20:33:26,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:26,269 INFO L225 Difference]: With dead ends: 25718 [2022-11-18 20:33:26,270 INFO L226 Difference]: Without dead ends: 18889 [2022-11-18 20:33:26,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:33:26,334 INFO L413 NwaCegarLoop]: 2119 mSDtfsCounter, 8362 mSDsluCounter, 8195 mSDsCounter, 0 mSdLazyCounter, 11488 mSolverCounterSat, 7338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8735 SdHoareTripleChecker+Valid, 10314 SdHoareTripleChecker+Invalid, 18826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7338 IncrementalHoareTripleChecker+Valid, 11488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:26,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8735 Valid, 10314 Invalid, 18826 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7338 Valid, 11488 Invalid, 0 Unknown, 0 Unchecked, 17.1s Time] [2022-11-18 20:33:26,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18889 states. [2022-11-18 20:33:27,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18889 to 13684. [2022-11-18 20:33:27,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13684 states, 9069 states have (on average 1.3057668982247215) internal successors, (11842), 9387 states have internal predecessors, (11842), 3940 states have call successors, (3940), 673 states have call predecessors, (3940), 674 states have return successors, (3947), 3823 states have call predecessors, (3947), 3939 states have call successors, (3947) [2022-11-18 20:33:28,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13684 states to 13684 states and 19729 transitions. [2022-11-18 20:33:28,029 INFO L78 Accepts]: Start accepts. Automaton has 13684 states and 19729 transitions. Word has length 211 [2022-11-18 20:33:28,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:28,030 INFO L495 AbstractCegarLoop]: Abstraction has 13684 states and 19729 transitions. [2022-11-18 20:33:28,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-18 20:33:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 13684 states and 19729 transitions. [2022-11-18 20:33:28,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-18 20:33:28,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:28,037 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 20:33:28,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:33:28,038 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:33:28,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:28,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1272279816, now seen corresponding path program 1 times [2022-11-18 20:33:28,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:28,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068284012] [2022-11-18 20:33:28,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:28,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:33:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:33:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:33:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:33:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:33:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:33:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:33:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:33:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 20:33:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 20:33:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 20:33:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:33:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:33:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-18 20:33:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:28,985 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-11-18 20:33:28,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:28,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068284012] [2022-11-18 20:33:28,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068284012] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:33:28,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476385825] [2022-11-18 20:33:28,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:28,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:33:28,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:33:28,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:33:29,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:33:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:30,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 3255 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:33:30,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:33:30,235 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-11-18 20:33:30,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:33:30,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476385825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:33:30,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:33:30,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-11-18 20:33:30,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837677689] [2022-11-18 20:33:30,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:33:30,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:33:30,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:30,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:33:30,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:33:30,237 INFO L87 Difference]: Start difference. First operand 13684 states and 19729 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-18 20:33:31,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:31,453 INFO L93 Difference]: Finished difference Result 27455 states and 39685 transitions. [2022-11-18 20:33:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:33:31,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 212 [2022-11-18 20:33:31,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:31,546 INFO L225 Difference]: With dead ends: 27455 [2022-11-18 20:33:31,547 INFO L226 Difference]: Without dead ends: 13804 [2022-11-18 20:33:31,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:33:31,620 INFO L413 NwaCegarLoop]: 2888 mSDtfsCounter, 9 mSDsluCounter, 2878 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5766 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:31,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5766 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:33:31,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13804 states. [2022-11-18 20:33:32,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13804 to 13740. [2022-11-18 20:33:32,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13740 states, 9117 states have (on average 1.3050345508390917) internal successors, (11898), 9435 states have internal predecessors, (11898), 3948 states have call successors, (3948), 673 states have call predecessors, (3948), 674 states have return successors, (3955), 3831 states have call predecessors, (3955), 3947 states have call successors, (3955) [2022-11-18 20:33:32,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13740 states to 13740 states and 19801 transitions. [2022-11-18 20:33:32,924 INFO L78 Accepts]: Start accepts. Automaton has 13740 states and 19801 transitions. Word has length 212 [2022-11-18 20:33:32,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:32,925 INFO L495 AbstractCegarLoop]: Abstraction has 13740 states and 19801 transitions. [2022-11-18 20:33:32,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-18 20:33:32,926 INFO L276 IsEmpty]: Start isEmpty. Operand 13740 states and 19801 transitions. [2022-11-18 20:33:32,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-18 20:33:32,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:32,932 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:33:32,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:33:33,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:33:33,140 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:33:33,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:33,140 INFO L85 PathProgramCache]: Analyzing trace with hash 861701268, now seen corresponding path program 1 times [2022-11-18 20:33:33,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:33,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674430599] [2022-11-18 20:33:33,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:33,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:33:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:33:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:33:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:33:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:33:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:33:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:33:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:33:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 20:33:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 20:33:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-18 20:33:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 20:33:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-18 20:33:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-18 20:33:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 20:33:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:33,933 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-11-18 20:33:33,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:33,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674430599] [2022-11-18 20:33:33,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674430599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:33:33,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:33:33,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:33:33,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748969979] [2022-11-18 20:33:33,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:33:33,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:33:33,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:33,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:33:33,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:33:33,936 INFO L87 Difference]: Start difference. First operand 13740 states and 19801 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-18 20:33:54,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:54,105 INFO L93 Difference]: Finished difference Result 51556 states and 77786 transitions. [2022-11-18 20:33:54,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 20:33:54,105 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 212 [2022-11-18 20:33:54,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:54,588 INFO L225 Difference]: With dead ends: 51556 [2022-11-18 20:33:54,588 INFO L226 Difference]: Without dead ends: 37849 [2022-11-18 20:33:54,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:33:54,665 INFO L413 NwaCegarLoop]: 2096 mSDtfsCounter, 10346 mSDsluCounter, 7081 mSDsCounter, 0 mSdLazyCounter, 10271 mSolverCounterSat, 9531 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10722 SdHoareTripleChecker+Valid, 9177 SdHoareTripleChecker+Invalid, 19802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9531 IncrementalHoareTripleChecker+Valid, 10271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:54,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10722 Valid, 9177 Invalid, 19802 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9531 Valid, 10271 Invalid, 0 Unknown, 0 Unchecked, 16.8s Time] [2022-11-18 20:33:54,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37849 states. [2022-11-18 20:33:57,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37849 to 27456. [2022-11-18 20:33:57,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27456 states, 18225 states have (on average 1.3045816186556927) internal successors, (23776), 18857 states have internal predecessors, (23776), 7880 states have call successors, (7880), 1347 states have call predecessors, (7880), 1350 states have return successors, (7895), 7651 states have call predecessors, (7895), 7879 states have call successors, (7895) [2022-11-18 20:33:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27456 states to 27456 states and 39551 transitions. [2022-11-18 20:33:57,685 INFO L78 Accepts]: Start accepts. Automaton has 27456 states and 39551 transitions. Word has length 212 [2022-11-18 20:33:57,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:57,685 INFO L495 AbstractCegarLoop]: Abstraction has 27456 states and 39551 transitions. [2022-11-18 20:33:57,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-18 20:33:57,686 INFO L276 IsEmpty]: Start isEmpty. Operand 27456 states and 39551 transitions. [2022-11-18 20:33:57,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-18 20:33:57,692 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:57,693 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:33:57,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:33:57,693 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:33:57,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:57,694 INFO L85 PathProgramCache]: Analyzing trace with hash -457282200, now seen corresponding path program 1 times [2022-11-18 20:33:57,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:57,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922473517] [2022-11-18 20:33:57,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:57,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:33:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:33:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:33:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:33:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:33:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:33:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:33:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:33:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:33:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 20:33:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 20:33:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 20:33:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 20:33:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:33:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-18 20:33:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-18 20:33:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:58,768 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-11-18 20:33:58,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:58,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922473517] [2022-11-18 20:33:58,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922473517] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:33:58,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:33:58,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:33:58,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431379105] [2022-11-18 20:33:58,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:33:58,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:33:58,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:58,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:33:58,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:33:58,771 INFO L87 Difference]: Start difference. First operand 27456 states and 39551 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-18 20:34:21,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:34:21,228 INFO L93 Difference]: Finished difference Result 103106 states and 155444 transitions. [2022-11-18 20:34:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 20:34:21,229 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 213 [2022-11-18 20:34:21,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:34:22,084 INFO L225 Difference]: With dead ends: 103106 [2022-11-18 20:34:22,085 INFO L226 Difference]: Without dead ends: 75683 [2022-11-18 20:34:22,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:34:22,307 INFO L413 NwaCegarLoop]: 2079 mSDtfsCounter, 10347 mSDsluCounter, 7069 mSDsCounter, 0 mSdLazyCounter, 10255 mSolverCounterSat, 9537 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10727 SdHoareTripleChecker+Valid, 9148 SdHoareTripleChecker+Invalid, 19792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9537 IncrementalHoareTripleChecker+Valid, 10255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:34:22,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10727 Valid, 9148 Invalid, 19792 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9537 Valid, 10255 Invalid, 0 Unknown, 0 Unchecked, 15.8s Time] [2022-11-18 20:34:22,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75683 states. [2022-11-18 20:34:27,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75683 to 54906. [2022-11-18 20:34:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54906 states, 36459 states have (on average 1.3041498669738611) internal successors, (47548), 37715 states have internal predecessors, (47548), 15740 states have call successors, (15740), 2699 states have call predecessors, (15740), 2706 states have return successors, (15771), 15291 states have call predecessors, (15771), 15739 states have call successors, (15771) [2022-11-18 20:34:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54906 states to 54906 states and 79059 transitions. [2022-11-18 20:34:27,962 INFO L78 Accepts]: Start accepts. Automaton has 54906 states and 79059 transitions. Word has length 213 [2022-11-18 20:34:27,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:34:27,963 INFO L495 AbstractCegarLoop]: Abstraction has 54906 states and 79059 transitions. [2022-11-18 20:34:27,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-18 20:34:27,963 INFO L276 IsEmpty]: Start isEmpty. Operand 54906 states and 79059 transitions. [2022-11-18 20:34:27,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-18 20:34:27,971 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:34:27,971 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 20:34:27,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:34:27,972 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:34:27,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:34:27,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1264291420, now seen corresponding path program 1 times [2022-11-18 20:34:27,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:34:27,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715748814] [2022-11-18 20:34:27,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:34:27,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:34:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:34:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:34:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:34:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:34:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:34:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:34:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:34:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:34:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 20:34:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 20:34:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 20:34:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:34:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:34:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-18 20:34:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-11-18 20:34:28,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:34:28,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715748814] [2022-11-18 20:34:28,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715748814] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:34:28,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347115646] [2022-11-18 20:34:28,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:34:28,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:34:28,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:34:28,899 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:34:28,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:34:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:30,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 3324 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:34:30,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:34:30,193 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-11-18 20:34:30,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:34:30,360 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-11-18 20:34:30,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347115646] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:34:30,361 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:34:30,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 9 [2022-11-18 20:34:30,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292113120] [2022-11-18 20:34:30,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:34:30,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:34:30,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:34:30,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:34:30,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:34:30,363 INFO L87 Difference]: Start difference. First operand 54906 states and 79059 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 6 states have internal predecessors, (90), 4 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-18 20:34:43,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:34:43,251 INFO L93 Difference]: Finished difference Result 119161 states and 172484 transitions. [2022-11-18 20:34:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:34:43,251 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 6 states have internal predecessors, (90), 4 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 214 [2022-11-18 20:34:43,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:34:43,721 INFO L225 Difference]: With dead ends: 119161 [2022-11-18 20:34:43,722 INFO L226 Difference]: Without dead ends: 64288 [2022-11-18 20:34:44,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:34:44,180 INFO L413 NwaCegarLoop]: 1891 mSDtfsCounter, 1866 mSDsluCounter, 4426 mSDsCounter, 0 mSdLazyCounter, 4319 mSolverCounterSat, 1854 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 6317 SdHoareTripleChecker+Invalid, 6173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1854 IncrementalHoareTripleChecker+Valid, 4319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:34:44,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1910 Valid, 6317 Invalid, 6173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1854 Valid, 4319 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-11-18 20:34:44,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64288 states. [2022-11-18 20:34:48,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64288 to 56186. [2022-11-18 20:34:48,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56186 states, 37355 states have (on average 1.3002810868692276) internal successors, (48572), 38611 states have internal predecessors, (48572), 16124 states have call successors, (16124), 2699 states have call predecessors, (16124), 2706 states have return successors, (16155), 15675 states have call predecessors, (16155), 16123 states have call successors, (16155) [2022-11-18 20:34:48,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56186 states to 56186 states and 80851 transitions. [2022-11-18 20:34:49,010 INFO L78 Accepts]: Start accepts. Automaton has 56186 states and 80851 transitions. Word has length 214 [2022-11-18 20:34:49,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:34:49,010 INFO L495 AbstractCegarLoop]: Abstraction has 56186 states and 80851 transitions. [2022-11-18 20:34:49,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 6 states have internal predecessors, (90), 4 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-18 20:34:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 56186 states and 80851 transitions. [2022-11-18 20:34:49,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-18 20:34:49,017 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:34:49,017 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:34:49,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:34:49,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6598236d-3793-4dfb-9849-89e162e1fd42/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:34:49,232 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:34:49,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:34:49,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1651918487, now seen corresponding path program 1 times [2022-11-18 20:34:49,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:34:49,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061431277] [2022-11-18 20:34:49,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:34:49,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:34:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:34:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:34:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:34:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:34:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:34:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:34:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:34:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:34:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 20:34:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 20:34:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 20:34:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-18 20:34:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:34:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:49,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-18 20:34:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-18 20:34:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,009 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-11-18 20:34:50,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:34:50,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061431277] [2022-11-18 20:34:50,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061431277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:34:50,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:34:50,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:34:50,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406750128] [2022-11-18 20:34:50,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:34:50,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:34:50,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:34:50,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:34:50,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:34:50,012 INFO L87 Difference]: Start difference. First operand 56186 states and 80851 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18)