./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16671931-13ed-41d4-8942-9dafcafe7104/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16671931-13ed-41d4-8942-9dafcafe7104/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16671931-13ed-41d4-8942-9dafcafe7104/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16671931-13ed-41d4-8942-9dafcafe7104/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16671931-13ed-41d4-8942-9dafcafe7104/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16671931-13ed-41d4-8942-9dafcafe7104/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0dc7e6cdf006545b97e616af165994b39a2e54c024b52d6607380c5e84ee914 --- 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-dbf71c6-m [2022-10-17 17:03:41,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:03:41,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:03:41,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:03:41,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:03:41,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:03:41,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:03:41,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:03:41,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:03:41,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:03:41,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:03:41,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:03:41,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:03:41,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:03:41,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:03:41,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:03:41,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:03:41,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:03:41,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:03:41,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:03:41,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:03:41,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:03:41,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:03:41,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:03:41,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:03:41,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:03:41,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:03:41,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:03:41,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:03:41,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:03:41,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:03:41,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:03:41,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:03:41,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:03:41,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:03:41,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:03:41,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:03:41,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:03:41,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:03:41,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:03:41,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:03:41,849 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16671931-13ed-41d4-8942-9dafcafe7104/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:03:41,894 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:03:41,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:03:41,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:03:41,895 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:03:41,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:03:41,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:03:41,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:03:41,897 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:03:41,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:03:41,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:03:41,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:03:41,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:03:41,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:03:41,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:03:41,900 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:03:41,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:03:41,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:03:41,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:03:41,901 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:03:41,901 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:03:41,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:03:41,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:41,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:03:41,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:03:41,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:03:41,903 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:03:41,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:03:41,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:03:41,903 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_16671931-13ed-41d4-8942-9dafcafe7104/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16671931-13ed-41d4-8942-9dafcafe7104/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0dc7e6cdf006545b97e616af165994b39a2e54c024b52d6607380c5e84ee914 [2022-10-17 17:03:42,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:03:42,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:03:42,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:03:42,289 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:03:42,291 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:03:42,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16671931-13ed-41d4-8942-9dafcafe7104/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c [2022-10-17 17:03:42,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16671931-13ed-41d4-8942-9dafcafe7104/bin/ukojak-92XMlrwhuB/data/42dca6ceb/0f98b9113d034ccf960f52c1cc5974c7/FLAG6afc8f749 [2022-10-17 17:03:42,960 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:03:42,963 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16671931-13ed-41d4-8942-9dafcafe7104/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c [2022-10-17 17:03:42,973 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16671931-13ed-41d4-8942-9dafcafe7104/bin/ukojak-92XMlrwhuB/data/42dca6ceb/0f98b9113d034ccf960f52c1cc5974c7/FLAG6afc8f749 [2022-10-17 17:03:43,389 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16671931-13ed-41d4-8942-9dafcafe7104/bin/ukojak-92XMlrwhuB/data/42dca6ceb/0f98b9113d034ccf960f52c1cc5974c7 [2022-10-17 17:03:43,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:03:43,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:03:43,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:43,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:03:43,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:03:43,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:43" (1/1) ... [2022-10-17 17:03:43,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2da695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:43, skipping insertion in model container [2022-10-17 17:03:43,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:43" (1/1) ... [2022-10-17 17:03:43,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:03:43,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:03:43,638 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_16671931-13ed-41d4-8942-9dafcafe7104/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c[526,539] [2022-10-17 17:03:43,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:43,665 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:03:43,678 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_16671931-13ed-41d4-8942-9dafcafe7104/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c[526,539] [2022-10-17 17:03:43,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:43,699 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:03:43,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:43 WrapperNode [2022-10-17 17:03:43,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:43,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:43,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:03:43,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:03:43,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:43" (1/1) ... [2022-10-17 17:03:43,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:43" (1/1) ... [2022-10-17 17:03:43,736 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-10-17 17:03:43,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:43,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:03:43,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:03:43,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:03:43,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:43" (1/1) ... [2022-10-17 17:03:43,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:43" (1/1) ... [2022-10-17 17:03:43,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:43" (1/1) ... [2022-10-17 17:03:43,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:43" (1/1) ... [2022-10-17 17:03:43,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:43" (1/1) ... [2022-10-17 17:03:43,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:43" (1/1) ... [2022-10-17 17:03:43,759 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:43" (1/1) ... [2022-10-17 17:03:43,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:43" (1/1) ... [2022-10-17 17:03:43,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:03:43,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:03:43,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:03:43,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:03:43,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:43" (1/1) ... [2022-10-17 17:03:43,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:43,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16671931-13ed-41d4-8942-9dafcafe7104/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:03:43,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16671931-13ed-41d4-8942-9dafcafe7104/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:03:43,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16671931-13ed-41d4-8942-9dafcafe7104/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:03:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:03:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:03:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:03:43,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:03:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:03:43,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:03:43,906 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:03:43,908 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:03:44,051 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:03:44,078 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:03:44,078 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:03:44,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:44 BoogieIcfgContainer [2022-10-17 17:03:44,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:03:44,082 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:03:44,082 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:03:44,093 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:03:44,093 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:44" (1/1) ... [2022-10-17 17:03:44,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:03:44,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:44,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2022-10-17 17:03:44,163 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2022-10-17 17:03:44,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:03:44,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:44,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:44,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:03:44,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:44,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:44,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:44,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 17:03:44,425 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 17:03:44,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:03:44,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:44,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:44,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:44,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2022-10-17 17:03:44,810 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2022-10-17 17:03:44,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:03:44,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:44,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:44,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:03:44,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:44,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:45,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:45,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2022-10-17 17:03:45,219 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2022-10-17 17:03:45,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:03:45,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:45,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:45,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:45,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2022-10-17 17:03:45,689 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-10-17 17:03:45,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:03:45,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:45,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:45,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:03:45,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:45,923 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:03:46,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:46,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2022-10-17 17:03:46,577 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2022-10-17 17:03:46,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:03:46,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:46,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:46,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:03:46,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:46,744 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:03:46,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:46,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 71 transitions. [2022-10-17 17:03:46,939 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2022-10-17 17:03:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:03:46,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:46,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:46,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:03:46,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:47,068 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:03:48,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:48,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 52 states and 106 transitions. [2022-10-17 17:03:48,135 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2022-10-17 17:03:48,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:03:48,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:48,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:48,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:03:48,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:48,276 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:03:48,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:48,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 54 states and 112 transitions. [2022-10-17 17:03:48,643 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2022-10-17 17:03:48,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:03:48,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:48,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:48,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:03:48,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:48,904 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:03:50,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:50,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 59 states and 127 transitions. [2022-10-17 17:03:50,019 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 127 transitions. [2022-10-17 17:03:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:03:50,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:50,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:50,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:03:50,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:03:50,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:50,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 61 states and 128 transitions. [2022-10-17 17:03:50,577 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 128 transitions. [2022-10-17 17:03:50,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:03:50,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:50,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:50,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:03:50,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:50,794 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:03:52,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:52,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 67 states and 149 transitions. [2022-10-17 17:03:52,539 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 149 transitions. [2022-10-17 17:03:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:03:52,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:52,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:52,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:03:52,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:03:53,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:53,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 69 states and 150 transitions. [2022-10-17 17:03:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 150 transitions. [2022-10-17 17:03:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:03:53,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:53,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:53,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:03:53,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:53,401 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:03:53,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 72 states and 163 transitions. [2022-10-17 17:03:53,637 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 163 transitions. [2022-10-17 17:03:53,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:03:53,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:53,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:53,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:03:53,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:53,776 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:03:55,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:55,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 77 states and 178 transitions. [2022-10-17 17:03:55,226 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 178 transitions. [2022-10-17 17:03:55,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 17:03:55,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:55,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:55,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:03:55,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 17:03:55,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:55,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 79 states and 185 transitions. [2022-10-17 17:03:55,969 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 185 transitions. [2022-10-17 17:03:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:03:55,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:55,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:56,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:03:56,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-10-17 17:03:56,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:56,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 79 states and 183 transitions. [2022-10-17 17:03:56,451 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 183 transitions. [2022-10-17 17:03:56,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:03:56,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:56,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:56,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:03:56,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:56,685 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 17:03:59,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:59,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 89 states and 243 transitions. [2022-10-17 17:03:59,163 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 243 transitions. [2022-10-17 17:03:59,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:03:59,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:59,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:59,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:03:59,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:59,255 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 17:03:59,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 89 states and 242 transitions. [2022-10-17 17:03:59,591 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 242 transitions. [2022-10-17 17:03:59,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:03:59,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:59,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:59,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:03:59,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:59,669 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-10-17 17:04:00,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:00,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 92 states and 252 transitions. [2022-10-17 17:04:00,802 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 252 transitions. [2022-10-17 17:04:00,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:04:00,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:00,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:00,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:04:00,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:00,975 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 17:04:01,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:01,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 94 states and 258 transitions. [2022-10-17 17:04:01,682 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 258 transitions. [2022-10-17 17:04:01,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:04:01,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:01,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:01,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:04:01,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:01,741 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-17 17:04:02,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:02,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 96 states and 259 transitions. [2022-10-17 17:04:02,121 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 259 transitions. [2022-10-17 17:04:02,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 17:04:02,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:02,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:02,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 17:04:02,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:02,399 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 17:04:05,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:05,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 102 states and 288 transitions. [2022-10-17 17:04:05,515 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 288 transitions. [2022-10-17 17:04:05,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 17:04:05,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:05,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:05,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 17:04:05,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:06,046 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 17:04:10,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:10,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 107 states and 315 transitions. [2022-10-17 17:04:10,077 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 315 transitions. [2022-10-17 17:04:10,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 17:04:10,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:10,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:10,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 17:04:10,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:10,219 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 17:04:11,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:11,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 110 states and 319 transitions. [2022-10-17 17:04:11,676 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 319 transitions. [2022-10-17 17:04:11,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 17:04:11,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:11,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:11,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 17:04:11,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:12,660 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.