./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_prepend_equal.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_648c99ab-078d-4b36-affe-fe76e1be3afe/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648c99ab-078d-4b36-affe-fe76e1be3afe/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_648c99ab-078d-4b36-affe-fe76e1be3afe/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648c99ab-078d-4b36-affe-fe76e1be3afe/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_prepend_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648c99ab-078d-4b36-affe-fe76e1be3afe/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_648c99ab-078d-4b36-affe-fe76e1be3afe/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 e0e4fff172a515598d076941b225a1a1f31b97f5ac14127a866784b10a4e3537 --- 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 16:46:57,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:57,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:57,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:57,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:57,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:57,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:57,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:57,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:57,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:57,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:57,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:57,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:57,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:57,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:57,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:57,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:57,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:57,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:57,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:57,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:57,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:57,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:57,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:57,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:57,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:57,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:57,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:57,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:57,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:57,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:57,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:57,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:57,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:57,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:57,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:57,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:57,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:57,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:57,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:57,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:57,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648c99ab-078d-4b36-affe-fe76e1be3afe/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:46:57,731 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:57,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:57,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:57,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:57,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:57,734 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:46:57,734 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:46:57,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:46:57,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:46:57,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:57,736 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:46:57,736 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:46:57,736 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:46:57,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:57,736 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:46:57,737 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:57,737 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:57,737 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:57,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:57,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:57,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:57,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:57,738 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:46:57,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:46:57,738 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_648c99ab-078d-4b36-affe-fe76e1be3afe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648c99ab-078d-4b36-affe-fe76e1be3afe/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0e4fff172a515598d076941b225a1a1f31b97f5ac14127a866784b10a4e3537 [2022-10-17 16:46:58,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:58,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:58,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:58,076 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:58,077 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:58,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648c99ab-078d-4b36-affe-fe76e1be3afe/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/dll2c_prepend_equal.i [2022-10-17 16:46:58,166 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648c99ab-078d-4b36-affe-fe76e1be3afe/bin/ukojak-92XMlrwhuB/data/0034d3586/e42431f80a124bb1a2cda5c93ffee800/FLAGb4de2d1ae [2022-10-17 16:46:58,731 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:58,732 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648c99ab-078d-4b36-affe-fe76e1be3afe/sv-benchmarks/c/list-simple/dll2c_prepend_equal.i [2022-10-17 16:46:58,755 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648c99ab-078d-4b36-affe-fe76e1be3afe/bin/ukojak-92XMlrwhuB/data/0034d3586/e42431f80a124bb1a2cda5c93ffee800/FLAGb4de2d1ae [2022-10-17 16:46:58,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648c99ab-078d-4b36-affe-fe76e1be3afe/bin/ukojak-92XMlrwhuB/data/0034d3586/e42431f80a124bb1a2cda5c93ffee800 [2022-10-17 16:46:59,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:59,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:59,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:59,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:59,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:59,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:58" (1/1) ... [2022-10-17 16:46:59,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d5f1d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:59, skipping insertion in model container [2022-10-17 16:46:59,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:58" (1/1) ... [2022-10-17 16:46:59,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:59,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:46:59,546 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_648c99ab-078d-4b36-affe-fe76e1be3afe/sv-benchmarks/c/list-simple/dll2c_prepend_equal.i[24640,24653] [2022-10-17 16:46:59,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:59,564 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:46:59,641 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_648c99ab-078d-4b36-affe-fe76e1be3afe/sv-benchmarks/c/list-simple/dll2c_prepend_equal.i[24640,24653] [2022-10-17 16:46:59,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:59,673 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:46:59,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:59 WrapperNode [2022-10-17 16:46:59,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:59,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:59,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:46:59,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:46:59,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:59" (1/1) ... [2022-10-17 16:46:59,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:59" (1/1) ... [2022-10-17 16:46:59,771 INFO L138 Inliner]: procedures = 127, calls = 47, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 168 [2022-10-17 16:46:59,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:59,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:46:59,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:46:59,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:46:59,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:59" (1/1) ... [2022-10-17 16:46:59,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:59" (1/1) ... [2022-10-17 16:46:59,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:59" (1/1) ... [2022-10-17 16:46:59,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:59" (1/1) ... [2022-10-17 16:46:59,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:59" (1/1) ... [2022-10-17 16:46:59,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:59" (1/1) ... [2022-10-17 16:46:59,832 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:59" (1/1) ... [2022-10-17 16:46:59,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:59" (1/1) ... [2022-10-17 16:46:59,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:46:59,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:46:59,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:46:59,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:46:59,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:59" (1/1) ... [2022-10-17 16:46:59,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:59,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648c99ab-078d-4b36-affe-fe76e1be3afe/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:46:59,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648c99ab-078d-4b36-affe-fe76e1be3afe/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:46:59,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648c99ab-078d-4b36-affe-fe76e1be3afe/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:46:59,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:46:59,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:46:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:46:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:46:59,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:46:59,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:46:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:46:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:46:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:46:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:46:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:46:59,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:47:00,108 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:47:00,110 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:47:00,787 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:47:00,881 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:47:00,881 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:47:00,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:00 BoogieIcfgContainer [2022-10-17 16:47:00,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:47:00,889 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:47:00,889 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:47:00,899 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:47:00,900 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:00,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:47:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:01,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 131 states and 142 transitions. [2022-10-17 16:47:01,015 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 142 transitions. [2022-10-17 16:47:01,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:47:01,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:01,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:01,321 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 16:47:01,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:01,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 130 states and 141 transitions. [2022-10-17 16:47:01,371 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 141 transitions. [2022-10-17 16:47:01,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:47:01,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:01,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:01,599 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 16:47:01,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:01,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 129 states and 140 transitions. [2022-10-17 16:47:01,695 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 140 transitions. [2022-10-17 16:47:01,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:47:01,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:01,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:01,748 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 16:47:01,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 128 states and 139 transitions. [2022-10-17 16:47:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 139 transitions. [2022-10-17 16:47:01,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:47:01,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:01,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:01,917 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 16:47:02,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:02,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 127 states and 138 transitions. [2022-10-17 16:47:02,109 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 138 transitions. [2022-10-17 16:47:02,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:47:02,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:02,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:02,166 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 16:47:02,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:02,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 126 states and 137 transitions. [2022-10-17 16:47:02,194 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 137 transitions. [2022-10-17 16:47:02,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:47:02,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:02,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:02,327 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 16:47:02,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 125 states and 136 transitions. [2022-10-17 16:47:02,351 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 136 transitions. [2022-10-17 16:47:02,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:47:02,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:02,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:02,443 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 16:47:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:02,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 126 states and 138 transitions. [2022-10-17 16:47:02,687 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 138 transitions. [2022-10-17 16:47:02,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:02,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:02,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:02,765 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 16:47:02,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:02,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 125 states and 137 transitions. [2022-10-17 16:47:02,801 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 137 transitions. [2022-10-17 16:47:02,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:02,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:02,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:02,950 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 16:47:02,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:02,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 124 states and 136 transitions. [2022-10-17 16:47:02,984 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 136 transitions. [2022-10-17 16:47:02,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:47:02,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:02,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:03,026 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 16:47:03,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:03,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 123 states and 135 transitions. [2022-10-17 16:47:03,048 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 135 transitions. [2022-10-17 16:47:03,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:47:03,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:03,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:03,146 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 16:47:03,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:03,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 122 states and 134 transitions. [2022-10-17 16:47:03,168 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 134 transitions. [2022-10-17 16:47:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:47:03,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:03,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:03,208 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 16:47:03,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:03,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 121 states and 133 transitions. [2022-10-17 16:47:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 133 transitions. [2022-10-17 16:47:03,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:47:03,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:03,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:03,348 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 16:47:03,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:03,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 120 states and 132 transitions. [2022-10-17 16:47:03,374 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 132 transitions. [2022-10-17 16:47:03,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:47:03,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:03,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:03,540 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 16:47:03,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:03,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 119 states and 131 transitions. [2022-10-17 16:47:03,581 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 131 transitions. [2022-10-17 16:47:03,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:47:03,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:03,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:03,775 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 16:47:03,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:03,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 118 states and 130 transitions. [2022-10-17 16:47:03,951 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 130 transitions. [2022-10-17 16:47:03,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:47:03,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:03,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:04,267 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 16:47:04,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:04,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 126 states and 143 transitions. [2022-10-17 16:47:04,994 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 143 transitions. [2022-10-17 16:47:04,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:47:04,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:04,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:05,243 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 16:47:06,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 134 states and 156 transitions. [2022-10-17 16:47:06,324 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2022-10-17 16:47:06,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:47:06,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:06,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:07,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:07,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 140 states and 163 transitions. [2022-10-17 16:47:07,922 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 163 transitions. [2022-10-17 16:47:07,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:47:07,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:07,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:08,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:10,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:10,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 151 states and 191 transitions. [2022-10-17 16:47:10,248 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 191 transitions. [2022-10-17 16:47:10,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:47:10,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:10,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:10,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:13,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:13,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 162 states and 222 transitions. [2022-10-17 16:47:13,509 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 222 transitions. [2022-10-17 16:47:13,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:47:13,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:13,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:13,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:14,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:14,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 166 states and 235 transitions. [2022-10-17 16:47:14,961 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 235 transitions. [2022-10-17 16:47:14,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:47:14,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:14,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:15,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:17,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:17,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 170 states and 247 transitions. [2022-10-17 16:47:17,214 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 247 transitions. [2022-10-17 16:47:17,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:47:17,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:17,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:17,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:47:17,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:17,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 169 states and 246 transitions. [2022-10-17 16:47:17,383 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 246 transitions. [2022-10-17 16:47:17,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:47:17,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:17,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:17,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:47:17,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:17,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 168 states and 245 transitions. [2022-10-17 16:47:17,609 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 245 transitions. [2022-10-17 16:47:17,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:47:17,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:17,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:17,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:47:17,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:17,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 167 states and 244 transitions. [2022-10-17 16:47:17,700 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 244 transitions. [2022-10-17 16:47:17,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:47:17,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:17,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:17,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:47:17,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:17,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 166 states and 243 transitions. [2022-10-17 16:47:17,979 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 243 transitions. [2022-10-17 16:47:17,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:47:17,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:17,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:18,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:47:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:18,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 165 states and 242 transitions. [2022-10-17 16:47:18,062 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 242 transitions. [2022-10-17 16:47:18,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:47:18,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:18,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:18,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:47:18,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:18,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 164 states and 241 transitions. [2022-10-17 16:47:18,230 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 241 transitions. [2022-10-17 16:47:18,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:47:18,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:18,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:20,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:20,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 172 states and 255 transitions. [2022-10-17 16:47:20,265 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 255 transitions. [2022-10-17 16:47:20,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:47:20,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:20,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:21,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:47:26,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:26,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 189 states and 291 transitions. [2022-10-17 16:47:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 291 transitions. [2022-10-17 16:47:26,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:47:26,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:26,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:27,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.