./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0102-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40313a-104a-4fa4-a2c9-14b900370b1d/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40313a-104a-4fa4-a2c9-14b900370b1d/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_cc40313a-104a-4fa4-a2c9-14b900370b1d/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40313a-104a-4fa4-a2c9-14b900370b1d/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0102-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40313a-104a-4fa4-a2c9-14b900370b1d/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40313a-104a-4fa4-a2c9-14b900370b1d/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa260939b291574cde59d3c10d7828de68c26744f55119227115b01940792a6f --- 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 16:38:12,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:38:12,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:38:12,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:38:12,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:38:12,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:38:12,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:38:12,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:38:12,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:38:12,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:38:12,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:38:12,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:38:12,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:38:12,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:38:12,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:38:12,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:38:12,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:38:12,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:38:12,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:38:12,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:38:12,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:38:12,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:38:12,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:38:12,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:38:12,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:38:12,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:38:12,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:38:12,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:38:12,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:38:12,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:38:12,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:38:12,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:38:12,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:38:12,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:38:12,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:38:12,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:38:12,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:38:12,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:38:12,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:38:12,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:38:12,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:38:12,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40313a-104a-4fa4-a2c9-14b900370b1d/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:38:12,509 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:38:12,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:38:12,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:38:12,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:38:12,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:38:12,512 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:38:12,512 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:38:12,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:38:12,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:38:12,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:38:12,513 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:38:12,513 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:38:12,513 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:38:12,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:38:12,514 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:38:12,514 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:38:12,514 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:38:12,514 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:38:12,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:38:12,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:12,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:38:12,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:38:12,516 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:38:12,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:38:12,516 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_cc40313a-104a-4fa4-a2c9-14b900370b1d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40313a-104a-4fa4-a2c9-14b900370b1d/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa260939b291574cde59d3c10d7828de68c26744f55119227115b01940792a6f [2022-10-17 16:38:12,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:38:12,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:38:12,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:38:12,788 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:38:12,790 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:38:12,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40313a-104a-4fa4-a2c9-14b900370b1d/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety/test-0102-1.i [2022-10-17 16:38:12,873 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40313a-104a-4fa4-a2c9-14b900370b1d/bin/ukojak-92XMlrwhuB/data/db5909348/ea595d8f2f6e46e48a59d401a7288627/FLAG536e7553d [2022-10-17 16:38:13,380 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:38:13,381 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40313a-104a-4fa4-a2c9-14b900370b1d/sv-benchmarks/c/memsafety/test-0102-1.i [2022-10-17 16:38:13,394 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40313a-104a-4fa4-a2c9-14b900370b1d/bin/ukojak-92XMlrwhuB/data/db5909348/ea595d8f2f6e46e48a59d401a7288627/FLAG536e7553d [2022-10-17 16:38:13,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40313a-104a-4fa4-a2c9-14b900370b1d/bin/ukojak-92XMlrwhuB/data/db5909348/ea595d8f2f6e46e48a59d401a7288627 [2022-10-17 16:38:13,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:38:13,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:38:13,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:13,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:38:13,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:38:13,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:13" (1/1) ... [2022-10-17 16:38:13,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e9b2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:13, skipping insertion in model container [2022-10-17 16:38:13,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:13" (1/1) ... [2022-10-17 16:38:13,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:38:13,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:38:14,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:14,234 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:38:14,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:14,345 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:38:14,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:14 WrapperNode [2022-10-17 16:38:14,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:14,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:14,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:38:14,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:38:14,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:14" (1/1) ... [2022-10-17 16:38:14,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:14" (1/1) ... [2022-10-17 16:38:14,444 INFO L138 Inliner]: procedures = 133, calls = 38, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 162 [2022-10-17 16:38:14,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:14,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:38:14,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:38:14,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:38:14,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:14" (1/1) ... [2022-10-17 16:38:14,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:14" (1/1) ... [2022-10-17 16:38:14,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:14" (1/1) ... [2022-10-17 16:38:14,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:14" (1/1) ... [2022-10-17 16:38:14,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:14" (1/1) ... [2022-10-17 16:38:14,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:14" (1/1) ... [2022-10-17 16:38:14,488 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:14" (1/1) ... [2022-10-17 16:38:14,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:14" (1/1) ... [2022-10-17 16:38:14,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:38:14,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:38:14,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:38:14,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:38:14,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:14" (1/1) ... [2022-10-17 16:38:14,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:14,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40313a-104a-4fa4-a2c9-14b900370b1d/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:38:14,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40313a-104a-4fa4-a2c9-14b900370b1d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:38:14,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc40313a-104a-4fa4-a2c9-14b900370b1d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:38:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:38:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:38:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:38:14,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:38:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:38:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:38:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:38:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:38:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:38:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:38:14,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:38:14,801 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:38:14,803 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:38:15,400 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:38:15,530 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:38:15,530 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 16:38:15,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:15 BoogieIcfgContainer [2022-10-17 16:38:15,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:38:15,534 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:38:15,535 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:38:15,545 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:38:15,546 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:15" (1/1) ... [2022-10-17 16:38:15,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:38:15,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:15,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 115 states and 123 transitions. [2022-10-17 16:38:15,617 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 123 transitions. [2022-10-17 16:38:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:38:15,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:15,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:16,042 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 16:38:16,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:16,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 114 states and 121 transitions. [2022-10-17 16:38:16,108 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2022-10-17 16:38:16,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:38:16,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:16,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:16,179 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 16:38:16,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:16,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 113 states and 120 transitions. [2022-10-17 16:38:16,253 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 120 transitions. [2022-10-17 16:38:16,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:38:16,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:16,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:16,285 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 16:38:16,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:16,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 112 states and 119 transitions. [2022-10-17 16:38:16,302 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2022-10-17 16:38:16,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:38:16,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:16,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:16,435 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 16:38:16,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:16,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 111 states and 118 transitions. [2022-10-17 16:38:16,549 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 118 transitions. [2022-10-17 16:38:16,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:38:16,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:16,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:16,706 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 16:38:16,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:16,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 110 states and 116 transitions. [2022-10-17 16:38:16,754 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 116 transitions. [2022-10-17 16:38:16,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:38:16,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:16,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:16,848 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 16:38:16,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:16,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 109 states and 115 transitions. [2022-10-17 16:38:16,956 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 115 transitions. [2022-10-17 16:38:16,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:38:16,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:16,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:17,157 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 16:38:17,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:17,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 112 states and 120 transitions. [2022-10-17 16:38:17,378 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 120 transitions. [2022-10-17 16:38:17,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:38:17,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:17,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:17,818 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 16:38:18,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:18,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 115 states and 124 transitions. [2022-10-17 16:38:18,536 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 124 transitions. [2022-10-17 16:38:18,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:38:18,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:18,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:18,623 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 16:38:18,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:18,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 114 states and 123 transitions. [2022-10-17 16:38:18,680 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2022-10-17 16:38:18,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:38:18,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:18,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:18,931 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 16:38:19,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:19,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 115 states and 125 transitions. [2022-10-17 16:38:19,236 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2022-10-17 16:38:19,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:38:19,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:19,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:19,381 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 16:38:19,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:19,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 117 states and 129 transitions. [2022-10-17 16:38:19,888 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 129 transitions. [2022-10-17 16:38:19,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:38:19,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:19,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:20,137 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 16:38:21,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:21,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 119 states and 133 transitions. [2022-10-17 16:38:21,035 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 133 transitions. [2022-10-17 16:38:21,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:38:21,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:21,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:21,077 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 16:38:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:21,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 118 states and 132 transitions. [2022-10-17 16:38:21,092 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 132 transitions. [2022-10-17 16:38:21,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:38:21,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:21,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:21,459 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 16:38:21,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:21,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 119 states and 134 transitions. [2022-10-17 16:38:21,919 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 134 transitions. [2022-10-17 16:38:21,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:38:21,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:21,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:22,425 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 16:38:24,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:24,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 126 states and 148 transitions. [2022-10-17 16:38:24,761 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2022-10-17 16:38:24,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:38:24,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:24,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:25,731 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 16:38:29,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:29,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 133 states and 162 transitions. [2022-10-17 16:38:29,173 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 162 transitions. [2022-10-17 16:38:29,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:38:29,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:29,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:29,722 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 16:38:33,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:33,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 143 states and 186 transitions. [2022-10-17 16:38:33,646 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 186 transitions. [2022-10-17 16:38:33,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:38:33,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:33,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:34,924 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 16:38:41,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:41,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 153 states and 211 transitions. [2022-10-17 16:38:41,882 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 211 transitions. [2022-10-17 16:38:41,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:38:41,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:41,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:41,930 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 16:38:41,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:41,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 152 states and 210 transitions. [2022-10-17 16:38:41,950 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 210 transitions. [2022-10-17 16:38:41,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:38:41,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:41,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:42,305 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 16:38:42,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 153 states and 211 transitions. [2022-10-17 16:38:42,598 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 211 transitions. [2022-10-17 16:38:42,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:38:42,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:42,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:43,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.