./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c --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_44c3e2d9-8920-4780-ad3f-2acaca6b3962/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3e2d9-8920-4780-ad3f-2acaca6b3962/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_44c3e2d9-8920-4780-ad3f-2acaca6b3962/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3e2d9-8920-4780-ad3f-2acaca6b3962/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3e2d9-8920-4780-ad3f-2acaca6b3962/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_44c3e2d9-8920-4780-ad3f-2acaca6b3962/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 eb589a592aff310a2662d7a22b89559cebd75929901bc5e2cc7816fe45d47c92 --- 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 16:37:08,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:08,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:08,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:08,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:08,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:08,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:08,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:08,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:08,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:08,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:08,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:08,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:08,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:08,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:08,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:08,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:08,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:08,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:08,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:08,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:08,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:08,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:08,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:08,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:08,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:08,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:08,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:08,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:08,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:08,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:08,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:08,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:08,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:08,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:08,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:08,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:08,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:08,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:08,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:08,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:08,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3e2d9-8920-4780-ad3f-2acaca6b3962/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:37:08,929 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:08,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:08,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:08,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:08,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:08,932 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:37:08,932 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:37:08,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:37:08,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:37:08,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:08,933 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:37:08,933 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:37:08,933 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:37:08,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:08,934 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:37:08,934 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:08,934 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:08,935 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:08,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:08,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:08,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:08,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:08,936 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:37:08,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:37:08,936 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_44c3e2d9-8920-4780-ad3f-2acaca6b3962/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3e2d9-8920-4780-ad3f-2acaca6b3962/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb589a592aff310a2662d7a22b89559cebd75929901bc5e2cc7816fe45d47c92 [2022-10-17 16:37:09,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:09,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:09,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:09,242 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:09,243 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:09,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3e2d9-8920-4780-ad3f-2acaca6b3962/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c [2022-10-17 16:37:09,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3e2d9-8920-4780-ad3f-2acaca6b3962/bin/ukojak-92XMlrwhuB/data/31b1be74e/f75c92ea257846a28850331a3cb6b70f/FLAG064a67fd6 [2022-10-17 16:37:09,819 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:09,820 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3e2d9-8920-4780-ad3f-2acaca6b3962/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c [2022-10-17 16:37:09,827 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3e2d9-8920-4780-ad3f-2acaca6b3962/bin/ukojak-92XMlrwhuB/data/31b1be74e/f75c92ea257846a28850331a3cb6b70f/FLAG064a67fd6 [2022-10-17 16:37:10,196 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3e2d9-8920-4780-ad3f-2acaca6b3962/bin/ukojak-92XMlrwhuB/data/31b1be74e/f75c92ea257846a28850331a3cb6b70f [2022-10-17 16:37:10,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:10,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:10,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:10,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:10,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:10,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11396c57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10, skipping insertion in model container [2022-10-17 16:37:10,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:10,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:10,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:10,452 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:37:10,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:10,495 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:37:10,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10 WrapperNode [2022-10-17 16:37:10,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:10,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:10,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:37:10,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:37:10,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,544 INFO L138 Inliner]: procedures = 8, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2022-10-17 16:37:10,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:10,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:37:10,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:37:10,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:37:10,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,585 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:37:10,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:37:10,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:37:10,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:37:10,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:10,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3e2d9-8920-4780-ad3f-2acaca6b3962/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:37:10,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3e2d9-8920-4780-ad3f-2acaca6b3962/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:37:10,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44c3e2d9-8920-4780-ad3f-2acaca6b3962/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:37:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:37:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:37:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:37:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:37:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:37:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:37:10,738 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:37:10,741 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:37:10,922 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:37:10,990 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:37:10,990 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:37:10,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:10 BoogieIcfgContainer [2022-10-17 16:37:10,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:37:10,995 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:37:10,995 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:37:11,006 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:37:11,006 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:11,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:37:11,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:11,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-10-17 16:37:11,088 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-10-17 16:37:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:37:11,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:11,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:11,266 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 16:37:11,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-10-17 16:37:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-10-17 16:37:11,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:37:11,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:11,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:11,487 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 16:37:11,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:11,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2022-10-17 16:37:11,542 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-10-17 16:37:11,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:37:11,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:11,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:11,688 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 16:37:11,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:11,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-10-17 16:37:11,909 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-10-17 16:37:11,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:37:11,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:11,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:12,056 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 16:37:12,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:12,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2022-10-17 16:37:12,451 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2022-10-17 16:37:12,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:37:12,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:12,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:12,533 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 16:37:12,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:12,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-10-17 16:37:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-10-17 16:37:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:37:12,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:12,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:12,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2022-10-17 16:37:13,180 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2022-10-17 16:37:13,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:37:13,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:13,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:13,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:13,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:13,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2022-10-17 16:37:13,501 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2022-10-17 16:37:13,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:37:13,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:13,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:13,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:14,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2022-10-17 16:37:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2022-10-17 16:37:14,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:37:14,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:14,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:15,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:15,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:15,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2022-10-17 16:37:15,527 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2022-10-17 16:37:15,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:37:15,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:15,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:15,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:16,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2022-10-17 16:37:16,584 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2022-10-17 16:37:16,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:16,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:16,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:16,774 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:17,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:17,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2022-10-17 16:37:17,848 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2022-10-17 16:37:17,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:17,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:17,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:18,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:19,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:19,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 49 states and 89 transitions. [2022-10-17 16:37:19,682 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 89 transitions. [2022-10-17 16:37:19,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:19,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:19,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:20,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2022-10-17 16:37:20,605 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2022-10-17 16:37:20,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:20,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:20,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:37:20,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:20,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2022-10-17 16:37:20,644 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2022-10-17 16:37:20,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:20,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:20,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:20,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:20,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:20,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 55 states and 97 transitions. [2022-10-17 16:37:20,899 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 97 transitions. [2022-10-17 16:37:20,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:20,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:20,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:21,148 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:22,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:22,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 58 states and 103 transitions. [2022-10-17 16:37:22,032 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 103 transitions. [2022-10-17 16:37:22,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:22,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:22,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:22,177 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:22,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:22,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 59 states and 107 transitions. [2022-10-17 16:37:22,638 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 107 transitions. [2022-10-17 16:37:22,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:37:22,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:22,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:22,677 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:22,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:22,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 59 states and 106 transitions. [2022-10-17 16:37:22,965 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 106 transitions. [2022-10-17 16:37:22,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:37:22,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:22,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:23,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:23,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 105 transitions. [2022-10-17 16:37:23,641 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 105 transitions. [2022-10-17 16:37:23,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:37:23,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:23,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:23,926 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:37:25,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:25,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 117 transitions. [2022-10-17 16:37:25,420 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 117 transitions. [2022-10-17 16:37:25,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:37:25,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:25,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:25,539 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:27,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 68 states and 129 transitions. [2022-10-17 16:37:27,034 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2022-10-17 16:37:27,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:37:27,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:27,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:27,075 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:27,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:27,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 69 states and 131 transitions. [2022-10-17 16:37:27,409 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 131 transitions. [2022-10-17 16:37:27,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:37:27,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:27,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:27,687 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:29,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:29,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 73 states and 139 transitions. [2022-10-17 16:37:29,102 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 139 transitions. [2022-10-17 16:37:29,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:37:29,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:29,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:29,183 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:30,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:30,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 75 states and 146 transitions. [2022-10-17 16:37:30,209 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 146 transitions. [2022-10-17 16:37:30,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:37:30,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:30,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:37:33,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 82 states and 160 transitions. [2022-10-17 16:37:33,001 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 160 transitions. [2022-10-17 16:37:33,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:37:33,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:33,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:37:33,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:33,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 82 states and 159 transitions. [2022-10-17 16:37:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 159 transitions. [2022-10-17 16:37:33,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:37:33,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:33,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:33,994 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:37:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:35,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 85 states and 169 transitions. [2022-10-17 16:37:35,451 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 169 transitions. [2022-10-17 16:37:35,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:37:35,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:35,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:37:38,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:38,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 93 states and 191 transitions. [2022-10-17 16:37:38,986 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 191 transitions. [2022-10-17 16:37:38,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:37:38,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:38,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:39,020 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:37:41,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:41,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 99 states and 203 transitions. [2022-10-17 16:37:41,081 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 203 transitions. [2022-10-17 16:37:41,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:37:41,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:41,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:41,117 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:37:41,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:41,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 100 states and 208 transitions. [2022-10-17 16:37:41,669 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 208 transitions. [2022-10-17 16:37:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:37:41,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:41,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:42,029 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.