./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc --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 32bit --witnessprinter.graph.data.programhash 0eca46c14885d62179341dcc13b398752af03e020a80dcf533f4c9afc7372707 --- 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-5e519f3 [2022-11-02 20:54:57,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:54:57,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:54:57,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:54:57,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:54:57,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:54:57,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:54:57,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:54:57,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:54:57,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:54:57,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:54:57,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:54:57,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:54:57,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:54:57,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:54:57,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:54:57,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:54:57,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:54:57,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:54:57,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:54:57,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:54:57,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:54:57,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:54:57,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:54:57,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:54:57,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:54:57,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:54:57,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:54:57,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:54:57,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:54:57,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:54:57,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:54:57,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:54:57,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:54:57,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:54:57,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:54:57,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:54:57,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:54:57,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:54:57,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:54:57,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:54:57,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:54:57,560 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:54:57,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:54:57,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:54:57,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:54:57,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:54:57,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:54:57,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:54:57,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:54:57,563 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:54:57,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:54:57,564 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:54:57,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:54:57,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:54:57,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:54:57,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:54:57,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:54:57,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:54:57,566 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:54:57,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:54:57,566 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:54:57,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:54:57,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:54:57,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:54:57,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:54:57,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:54:57,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:54:57,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:54:57,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:54:57,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:54:57,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:54:57,569 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:54:57,569 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:54:57,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:54:57,569 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_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0eca46c14885d62179341dcc13b398752af03e020a80dcf533f4c9afc7372707 [2022-11-02 20:54:57,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:54:57,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:54:57,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:54:57,887 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:54:57,888 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:54:57,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2022-11-02 20:54:57,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/data/06572a81a/09ddc09450f345159d43865bbb19022a/FLAG8edc24de8 [2022-11-02 20:54:58,682 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:54:58,683 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2022-11-02 20:54:58,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/data/06572a81a/09ddc09450f345159d43865bbb19022a/FLAG8edc24de8 [2022-11-02 20:54:58,957 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/data/06572a81a/09ddc09450f345159d43865bbb19022a [2022-11-02 20:54:58,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:54:58,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:54:58,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:54:58,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:54:58,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:54:58,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:54:58" (1/1) ... [2022-11-02 20:54:58,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66bebb85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:58, skipping insertion in model container [2022-11-02 20:54:58,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:54:58" (1/1) ... [2022-11-02 20:54:58,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:54:59,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:54:59,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i[22634,22647] [2022-11-02 20:54:59,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:54:59,588 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:54:59,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i[22634,22647] [2022-11-02 20:54:59,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:54:59,735 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:54:59,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:59 WrapperNode [2022-11-02 20:54:59,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:54:59,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:54:59,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:54:59,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:54:59,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:59" (1/1) ... [2022-11-02 20:54:59,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:59" (1/1) ... [2022-11-02 20:54:59,824 INFO L138 Inliner]: procedures = 140, calls = 94, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 228 [2022-11-02 20:54:59,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:54:59,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:54:59,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:54:59,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:54:59,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:59" (1/1) ... [2022-11-02 20:54:59,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:59" (1/1) ... [2022-11-02 20:54:59,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:59" (1/1) ... [2022-11-02 20:54:59,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:59" (1/1) ... [2022-11-02 20:54:59,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:59" (1/1) ... [2022-11-02 20:54:59,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:59" (1/1) ... [2022-11-02 20:54:59,897 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:59" (1/1) ... [2022-11-02 20:54:59,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:59" (1/1) ... [2022-11-02 20:54:59,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:54:59,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:54:59,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:54:59,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:54:59,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:59" (1/1) ... [2022-11-02 20:54:59,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:54:59,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:54:59,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:54:59,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:55:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2022-11-02 20:55:00,016 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2022-11-02 20:55:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2022-11-02 20:55:00,017 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2022-11-02 20:55:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:55:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:55:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2022-11-02 20:55:00,018 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2022-11-02 20:55:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:55:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:55:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:55:00,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:55:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:55:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:55:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:55:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2022-11-02 20:55:00,020 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2022-11-02 20:55:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2022-11-02 20:55:00,020 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2022-11-02 20:55:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:55:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:55:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:55:00,195 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:55:00,212 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:55:00,733 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:55:00,741 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:55:00,742 INFO L300 CfgBuilder]: Removed 38 assume(true) statements. [2022-11-02 20:55:00,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:55:00 BoogieIcfgContainer [2022-11-02 20:55:00,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:55:00,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:55:00,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:55:00,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:55:00,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:54:58" (1/3) ... [2022-11-02 20:55:00,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e94f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:55:00, skipping insertion in model container [2022-11-02 20:55:00,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:59" (2/3) ... [2022-11-02 20:55:00,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e94f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:55:00, skipping insertion in model container [2022-11-02 20:55:00,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:55:00" (3/3) ... [2022-11-02 20:55:00,756 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_of_dll-2.i [2022-11-02 20:55:00,778 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:55:00,779 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:55:00,843 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:55:00,888 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;@49ea6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:55:00,889 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:55:00,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 96 states have (on average 1.7083333333333333) internal successors, (164), 116 states have internal predecessors, (164), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-02 20:55:00,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-02 20:55:00,906 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:55:00,907 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:55:00,908 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:55:00,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:00,914 INFO L85 PathProgramCache]: Analyzing trace with hash 760908611, now seen corresponding path program 1 times [2022-11-02 20:55:00,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:55:00,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846002291] [2022-11-02 20:55:00,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:00,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:55:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:01,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:55:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:01,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:01,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:55:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:01,508 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-02 20:55:01,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:55:01,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846002291] [2022-11-02 20:55:01,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846002291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:55:01,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:55:01,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:55:01,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509153256] [2022-11-02 20:55:01,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:55:01,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:55:01,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:55:01,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:55:01,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:55:01,563 INFO L87 Difference]: Start difference. First operand has 128 states, 96 states have (on average 1.7083333333333333) internal successors, (164), 116 states have internal predecessors, (164), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:55:01,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:55:01,833 INFO L93 Difference]: Finished difference Result 251 states and 429 transitions. [2022-11-02 20:55:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:55:01,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2022-11-02 20:55:01,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:55:01,847 INFO L225 Difference]: With dead ends: 251 [2022-11-02 20:55:01,848 INFO L226 Difference]: Without dead ends: 120 [2022-11-02 20:55:01,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:55:01,857 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 32 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:55:01,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 210 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:55:01,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-02 20:55:01,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-11-02 20:55:01,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 108 states have internal predecessors, (115), 24 states have call successors, (24), 6 states have call predecessors, (24), 5 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-02 20:55:01,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 149 transitions. [2022-11-02 20:55:01,913 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 149 transitions. Word has length 37 [2022-11-02 20:55:01,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:55:01,913 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 149 transitions. [2022-11-02 20:55:01,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:55:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 149 transitions. [2022-11-02 20:55:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-02 20:55:01,916 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:55:01,916 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:55:01,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:55:01,917 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:55:01,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:01,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1675514385, now seen corresponding path program 1 times [2022-11-02 20:55:01,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:55:01,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280451793] [2022-11-02 20:55:01,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:01,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:55:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:55:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:55:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,998 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 20:55:02,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:55:03,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280451793] [2022-11-02 20:55:03,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280451793] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:55:03,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400546647] [2022-11-02 20:55:03,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:03,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:55:03,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:03,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:55:03,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:55:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:03,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 20:55:03,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:55:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 20:55:03,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:55:03,923 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 20:55:03,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400546647] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:55:03,924 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:55:03,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 12 [2022-11-02 20:55:03,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436075078] [2022-11-02 20:55:03,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:55:03,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:55:03,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:55:03,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:55:03,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:55:03,928 INFO L87 Difference]: Start difference. First operand 120 states and 149 transitions. Second operand has 12 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 6 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-02 20:55:04,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:55:04,686 INFO L93 Difference]: Finished difference Result 250 states and 324 transitions. [2022-11-02 20:55:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:55:04,687 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 6 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 38 [2022-11-02 20:55:04,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:55:04,689 INFO L225 Difference]: With dead ends: 250 [2022-11-02 20:55:04,689 INFO L226 Difference]: Without dead ends: 133 [2022-11-02 20:55:04,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 77 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:55:04,692 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 45 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 1068 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:55:04,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 1068 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 20:55:04,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-11-02 20:55:04,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2022-11-02 20:55:04,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 98 states have (on average 1.2653061224489797) internal successors, (124), 116 states have internal predecessors, (124), 27 states have call successors, (27), 8 states have call predecessors, (27), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-02 20:55:04,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 164 transitions. [2022-11-02 20:55:04,712 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 164 transitions. Word has length 38 [2022-11-02 20:55:04,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:55:04,713 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 164 transitions. [2022-11-02 20:55:04,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 6 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-02 20:55:04,713 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 164 transitions. [2022-11-02 20:55:04,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-02 20:55:04,716 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:55:04,717 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:55:04,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:04,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:55:04,942 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:55:04,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:04,943 INFO L85 PathProgramCache]: Analyzing trace with hash 800158065, now seen corresponding path program 1 times [2022-11-02 20:55:04,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:55:04,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397199958] [2022-11-02 20:55:04,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:04,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:55:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:06,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:55:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:07,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:07,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:55:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:55:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:08,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-02 20:55:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:08,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:08,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:55:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:55:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:08,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:55:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:55:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:09,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-02 20:55:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:09,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:09,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:55:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:09,294 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 27 proven. 23 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-02 20:55:09,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:55:09,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397199958] [2022-11-02 20:55:09,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397199958] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:55:09,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113887443] [2022-11-02 20:55:09,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:09,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:55:09,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:09,297 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:55:09,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:55:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:09,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-02 20:55:09,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:55:09,956 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-02 20:55:09,958 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-11-02 20:55:09,971 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-02 20:55:09,986 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-02 20:55:10,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:55:10,058 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 9 [2022-11-02 20:55:10,064 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-02 20:55:10,183 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-11-02 20:55:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 33 proven. 5 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-02 20:55:10,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:55:10,785 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:55:10,786 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 218 treesize of output 215 [2022-11-02 20:55:10,797 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 250 treesize of output 242 [2022-11-02 20:55:10,810 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 238 [2022-11-02 20:55:10,891 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-02 20:55:10,906 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2022-11-02 20:55:10,940 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:55:10,941 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 107 [2022-11-02 20:55:10,951 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 116 [2022-11-02 20:55:10,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 114 [2022-11-02 20:55:11,029 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-02 20:55:11,049 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2022-11-02 20:55:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-02 20:55:11,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113887443] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:55:11,209 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:55:11,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 16, 15] total 27 [2022-11-02 20:55:11,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530291195] [2022-11-02 20:55:11,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:55:11,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-02 20:55:11,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:55:11,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-02 20:55:11,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=644, Unknown=0, NotChecked=0, Total=702 [2022-11-02 20:55:11,219 INFO L87 Difference]: Start difference. First operand 133 states and 164 transitions. Second operand has 27 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 11 states have call successors, (22), 4 states have call predecessors, (22), 7 states have return successors, (17), 11 states have call predecessors, (17), 9 states have call successors, (17) [2022-11-02 20:55:13,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:55:13,642 INFO L93 Difference]: Finished difference Result 330 states and 410 transitions. [2022-11-02 20:55:13,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-02 20:55:13,649 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 11 states have call successors, (22), 4 states have call predecessors, (22), 7 states have return successors, (17), 11 states have call predecessors, (17), 9 states have call successors, (17) Word has length 110 [2022-11-02 20:55:13,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:55:13,656 INFO L225 Difference]: With dead ends: 330 [2022-11-02 20:55:13,656 INFO L226 Difference]: Without dead ends: 201 [2022-11-02 20:55:13,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=175, Invalid=1895, Unknown=0, NotChecked=0, Total=2070 [2022-11-02 20:55:13,661 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 248 mSDsluCounter, 1687 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 1879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:55:13,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1820 Invalid, 1879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1805 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-02 20:55:13,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-02 20:55:13,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 166. [2022-11-02 20:55:13,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 126 states have (on average 1.253968253968254) internal successors, (158), 144 states have internal predecessors, (158), 29 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (17), 13 states have call predecessors, (17), 15 states have call successors, (17) [2022-11-02 20:55:13,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 204 transitions. [2022-11-02 20:55:13,719 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 204 transitions. Word has length 110 [2022-11-02 20:55:13,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:55:13,720 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 204 transitions. [2022-11-02 20:55:13,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 11 states have call successors, (22), 4 states have call predecessors, (22), 7 states have return successors, (17), 11 states have call predecessors, (17), 9 states have call successors, (17) [2022-11-02 20:55:13,723 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 204 transitions. [2022-11-02 20:55:13,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-02 20:55:13,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:55:13,728 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:55:13,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:13,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:55:13,954 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:55:13,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:13,955 INFO L85 PathProgramCache]: Analyzing trace with hash -692589117, now seen corresponding path program 1 times [2022-11-02 20:55:13,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:55:13,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866636140] [2022-11-02 20:55:13,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:13,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:55:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:15,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:55:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:15,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:15,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:55:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:16,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:55:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:16,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-02 20:55:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:16,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:16,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:55:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:16,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:55:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:55:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:16,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:55:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:17,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-02 20:55:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:17,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:17,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:55:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 75 proven. 8 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-02 20:55:17,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:55:17,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866636140] [2022-11-02 20:55:17,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866636140] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:55:17,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146507711] [2022-11-02 20:55:17,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:17,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:55:17,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:17,866 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:55:17,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:55:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:18,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-02 20:55:18,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:55:18,371 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-02 20:55:18,422 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-02 20:55:18,583 WARN L855 $PredicateComparison]: unable to prove that (exists ((|##fun~$Pointer$~TO~VOID_alloc_or_die_slave_~ptr~0#1.base| Int) (v_ArrVal_2672 (Array Int Int))) (and (< |##fun~$Pointer$~TO~VOID_alloc_or_die_slave_~ptr~0#1.base| |c_#StackHeapBarrier|) (= |c_##fun~$Pointer$~TO~VOID_dll_insert_slave_~next~0#1.base| (select (select (store |c_old(#memory_$Pointer$.base)| |##fun~$Pointer$~TO~VOID_alloc_or_die_slave_~ptr~0#1.base| v_ArrVal_2672) |c_##fun~$Pointer$~TO~VOID_#in~10#1.base|) |c_##fun~$Pointer$~TO~VOID_#in~10#1.offset|)))) is different from true [2022-11-02 20:55:18,597 WARN L855 $PredicateComparison]: unable to prove that (exists ((|##fun~$Pointer$~TO~VOID_alloc_or_die_slave_~ptr~0#1.base| Int) (v_ArrVal_2672 (Array Int Int))) (and (< |##fun~$Pointer$~TO~VOID_alloc_or_die_slave_~ptr~0#1.base| |c_#StackHeapBarrier|) (= (select (select (store |c_old(#memory_$Pointer$.base)| |##fun~$Pointer$~TO~VOID_alloc_or_die_slave_~ptr~0#1.base| v_ArrVal_2672) |c_##fun~$Pointer$~TO~VOID_#in~10#1.base|) |c_##fun~$Pointer$~TO~VOID_#in~10#1.offset|) 0))) is different from true [2022-11-02 20:55:18,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:55:18,636 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 5 not checked. [2022-11-02 20:55:18,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:55:20,039 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_##fun~$Pointer$~TO~VOID_alloc_or_die_slave_~ptr~0#1.base_139| Int) (v_ArrVal_2712 (Array Int Int))) (or (not (< |v_##fun~$Pointer$~TO~VOID_alloc_or_die_slave_~ptr~0#1.base_139| |c_#StackHeapBarrier|)) (not (= (select (select (store |c_#memory_$Pointer$.base| |v_##fun~$Pointer$~TO~VOID_alloc_or_die_slave_~ptr~0#1.base_139| v_ArrVal_2712) |c_dll_create_generic_~#dll~0.base|) |c_dll_create_generic_~#dll~0.offset|) 0)))) is different from false [2022-11-02 20:55:20,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146507711] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:55:20,042 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:55:20,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 23 [2022-11-02 20:55:20,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923388766] [2022-11-02 20:55:20,043 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:55:20,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-02 20:55:20,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:55:20,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-02 20:55:20,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=370, Unknown=3, NotChecked=120, Total=552 [2022-11-02 20:55:20,045 INFO L87 Difference]: Start difference. First operand 166 states and 204 transitions. Second operand has 23 states, 19 states have (on average 4.052631578947368) internal successors, (77), 19 states have internal predecessors, (77), 7 states have call successors, (18), 4 states have call predecessors, (18), 5 states have return successors, (16), 4 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-02 20:55:21,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:55:21,004 INFO L93 Difference]: Finished difference Result 337 states and 425 transitions. [2022-11-02 20:55:21,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-02 20:55:21,004 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 19 states have (on average 4.052631578947368) internal successors, (77), 19 states have internal predecessors, (77), 7 states have call successors, (18), 4 states have call predecessors, (18), 5 states have return successors, (16), 4 states have call predecessors, (16), 6 states have call successors, (16) Word has length 113 [2022-11-02 20:55:21,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:55:21,007 INFO L225 Difference]: With dead ends: 337 [2022-11-02 20:55:21,007 INFO L226 Difference]: Without dead ends: 179 [2022-11-02 20:55:21,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=124, Invalid=815, Unknown=3, NotChecked=180, Total=1122 [2022-11-02 20:55:21,009 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 47 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 402 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:55:21,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 1035 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 660 Invalid, 0 Unknown, 402 Unchecked, 0.6s Time] [2022-11-02 20:55:21,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-11-02 20:55:21,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 171. [2022-11-02 20:55:21,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 129 states have (on average 1.248062015503876) internal successors, (161), 148 states have internal predecessors, (161), 30 states have call successors, (30), 10 states have call predecessors, (30), 11 states have return successors, (21), 14 states have call predecessors, (21), 16 states have call successors, (21) [2022-11-02 20:55:21,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 212 transitions. [2022-11-02 20:55:21,034 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 212 transitions. Word has length 113 [2022-11-02 20:55:21,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:55:21,035 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 212 transitions. [2022-11-02 20:55:21,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 19 states have (on average 4.052631578947368) internal successors, (77), 19 states have internal predecessors, (77), 7 states have call successors, (18), 4 states have call predecessors, (18), 5 states have return successors, (16), 4 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-02 20:55:21,036 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 212 transitions. [2022-11-02 20:55:21,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-02 20:55:21,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:55:21,038 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:55:21,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:21,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d96b6e-8d1c-4f0d-a902-c7afc85d7851/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:55:21,283 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:55:21,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:21,284 INFO L85 PathProgramCache]: Analyzing trace with hash 522299907, now seen corresponding path program 1 times [2022-11-02 20:55:21,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:55:21,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901069773] [2022-11-02 20:55:21,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:21,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:55:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:27,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:55:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:30,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:31,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:55:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:31,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:55:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:31,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-02 20:55:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:31,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:31,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:55:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:31,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:55:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:33,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:55:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:35,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:55:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:37,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-02 20:55:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat