./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/substring-alloca-2.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_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/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_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/substring-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/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_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/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 4cb6276eff0c60579b1d5f7034948eb4f53891709ff48cdd11b3329ec3c4cc2e --- 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 16:46:49,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:49,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:49,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:49,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:49,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:49,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:49,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:49,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:49,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:49,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:49,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:49,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:49,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:49,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:49,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:49,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:49,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:49,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:49,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:49,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:49,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:49,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:49,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:49,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:49,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:49,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:49,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:49,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:49,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:49,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:49,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:49,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:49,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:49,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:49,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:49,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:49,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:49,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:49,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:49,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:49,905 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:46:49,929 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:49,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:49,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:49,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:49,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:49,931 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:46:49,931 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:46:49,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:46:49,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:46:49,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:49,932 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:46:49,932 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:46:49,932 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:46:49,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:49,933 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:46:49,933 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:49,933 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:49,933 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:49,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:49,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:49,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:49,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:49,934 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:46:49,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:46:49,935 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_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cb6276eff0c60579b1d5f7034948eb4f53891709ff48cdd11b3329ec3c4cc2e [2022-10-17 16:46:50,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:50,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:50,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:50,185 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:50,186 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:50,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-memsafety/substring-alloca-2.i [2022-10-17 16:46:50,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/bin/ukojak-92XMlrwhuB/data/602a4d62e/4f533f39e8f34c47b790ce18e60aa730/FLAG5aa808e80 [2022-10-17 16:46:50,759 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:50,760 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/sv-benchmarks/c/array-memsafety/substring-alloca-2.i [2022-10-17 16:46:50,776 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/bin/ukojak-92XMlrwhuB/data/602a4d62e/4f533f39e8f34c47b790ce18e60aa730/FLAG5aa808e80 [2022-10-17 16:46:51,102 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/bin/ukojak-92XMlrwhuB/data/602a4d62e/4f533f39e8f34c47b790ce18e60aa730 [2022-10-17 16:46:51,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:51,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:51,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:51,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:51,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:51,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:51" (1/1) ... [2022-10-17 16:46:51,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d173686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:51, skipping insertion in model container [2022-10-17 16:46:51,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:51" (1/1) ... [2022-10-17 16:46:51,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:51,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:46:51,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:51,616 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:46:51,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:51,712 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:46:51,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:51 WrapperNode [2022-10-17 16:46:51,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:51,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:51,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:46:51,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:46:51,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:51" (1/1) ... [2022-10-17 16:46:51,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:51" (1/1) ... [2022-10-17 16:46:51,756 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2022-10-17 16:46:51,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:51,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:46:51,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:46:51,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:46:51,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:51" (1/1) ... [2022-10-17 16:46:51,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:51" (1/1) ... [2022-10-17 16:46:51,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:51" (1/1) ... [2022-10-17 16:46:51,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:51" (1/1) ... [2022-10-17 16:46:51,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:51" (1/1) ... [2022-10-17 16:46:51,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:51" (1/1) ... [2022-10-17 16:46:51,781 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:51" (1/1) ... [2022-10-17 16:46:51,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:51" (1/1) ... [2022-10-17 16:46:51,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:46:51,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:46:51,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:46:51,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:46:51,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:51" (1/1) ... [2022-10-17 16:46:51,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:51,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:46:51,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:46:51,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9defd3-beb4-45ba-b35d-4cc8ccf050d1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:46:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:46:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:46:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:46:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:46:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:46:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:46:51,989 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:46:51,990 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:46:52,316 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:46:52,416 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:46:52,416 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:46:52,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:52 BoogieIcfgContainer [2022-10-17 16:46:52,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:46:52,419 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:46:52,419 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:46:52,435 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:46:52,435 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:52" (1/1) ... [2022-10-17 16:46:52,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:46:52,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:52,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2022-10-17 16:46:52,513 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2022-10-17 16:46:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:46:52,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:52,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:52,831 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 16:46:52,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:52,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2022-10-17 16:46:52,898 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-10-17 16:46:52,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:46:52,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:52,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:53,153 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 16:46:53,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:53,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2022-10-17 16:46:53,366 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2022-10-17 16:46:53,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:46:53,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:53,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:53,487 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 16:46:53,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:53,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2022-10-17 16:46:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2022-10-17 16:46:53,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:46:53,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:53,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:53,859 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 16:46:54,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:54,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2022-10-17 16:46:54,470 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2022-10-17 16:46:54,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:46:54,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:54,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:54,591 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 16:46:55,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:55,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2022-10-17 16:46:55,017 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2022-10-17 16:46:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:46:55,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:55,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:55,200 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 16:46:56,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2022-10-17 16:46:56,036 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2022-10-17 16:46:56,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:46:56,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:56,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:56,084 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 16:46:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:56,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2022-10-17 16:46:56,271 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2022-10-17 16:46:56,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:46:56,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:56,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:56,417 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 16:46:57,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:57,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 53 states and 81 transitions. [2022-10-17 16:46:57,558 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2022-10-17 16:46:57,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:46:57,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:57,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:57,753 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 16:46:58,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:58,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 91 transitions. [2022-10-17 16:46:58,585 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2022-10-17 16:46:58,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:46:58,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:58,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:58,822 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 16:46:59,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:59,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 59 states and 98 transitions. [2022-10-17 16:46:59,626 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 98 transitions. [2022-10-17 16:46:59,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:46:59,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:59,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:59,727 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 16:47:00,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:00,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 100 transitions. [2022-10-17 16:47:00,253 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 100 transitions. [2022-10-17 16:47:00,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:47:00,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:00,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:00,356 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 16:47:00,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:00,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 61 states and 100 transitions. [2022-10-17 16:47:00,668 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 100 transitions. [2022-10-17 16:47:00,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:47:00,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:00,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:00,821 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 16:47:02,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:02,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 65 states and 112 transitions. [2022-10-17 16:47:02,629 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 112 transitions. [2022-10-17 16:47:02,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:47:02,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:02,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:02,891 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 16:47:04,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:04,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 68 states and 126 transitions. [2022-10-17 16:47:04,171 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2022-10-17 16:47:04,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:47:04,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:04,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:04,239 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 16:47:04,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:04,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 69 states and 131 transitions. [2022-10-17 16:47:04,627 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 131 transitions. [2022-10-17 16:47:04,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:47:04,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:04,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:04,643 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 16:47:04,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:04,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 69 states and 130 transitions. [2022-10-17 16:47:04,936 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 130 transitions. [2022-10-17 16:47:04,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:47:04,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:04,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:04,991 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 16:47:05,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:05,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 70 states and 136 transitions. [2022-10-17 16:47:05,636 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 136 transitions. [2022-10-17 16:47:05,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:47:05,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:05,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:05,927 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 16:47:06,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 71 states and 139 transitions. [2022-10-17 16:47:06,481 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2022-10-17 16:47:06,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:47:06,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:06,525 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 16:47:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:07,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 72 states and 143 transitions. [2022-10-17 16:47:07,143 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 143 transitions. [2022-10-17 16:47:07,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:47:07,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:07,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:07,209 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 16:47:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:07,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 73 states and 144 transitions. [2022-10-17 16:47:07,642 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 144 transitions. [2022-10-17 16:47:07,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:47:07,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:07,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:07,924 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 16:47:08,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:08,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 74 states and 146 transitions. [2022-10-17 16:47:08,437 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 146 transitions. [2022-10-17 16:47:08,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:47:08,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:08,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:08,464 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 16:47:08,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:08,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 75 states and 148 transitions. [2022-10-17 16:47:08,848 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 148 transitions. [2022-10-17 16:47:08,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:47:08,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:08,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:09,354 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 16:47:10,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:10,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 78 states and 158 transitions. [2022-10-17 16:47:10,908 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 158 transitions. [2022-10-17 16:47:10,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:47:10,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:10,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:10,936 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 16:47:11,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:11,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 79 states and 158 transitions. [2022-10-17 16:47:11,293 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 158 transitions. [2022-10-17 16:47:11,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:47:11,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:11,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:11,357 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 16:47:12,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:12,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 82 states and 164 transitions. [2022-10-17 16:47:12,942 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 164 transitions. [2022-10-17 16:47:12,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:47:12,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:12,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:13,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:13,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 74 states and 139 transitions. [2022-10-17 16:47:13,930 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 139 transitions. [2022-10-17 16:47:13,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:13,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:13,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:15,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 77 states and 145 transitions. [2022-10-17 16:47:15,009 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 145 transitions. [2022-10-17 16:47:15,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:15,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:15,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:15,438 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 16:47:16,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 80 states and 153 transitions. [2022-10-17 16:47:16,981 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 153 transitions. [2022-10-17 16:47:16,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:16,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:16,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:17,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:47:18,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:18,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 83 states and 165 transitions. [2022-10-17 16:47:18,663 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 165 transitions. [2022-10-17 16:47:18,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:18,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:18,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:18,734 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 16:47:19,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 84 states and 165 transitions. [2022-10-17 16:47:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 165 transitions. [2022-10-17 16:47:19,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:19,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:19,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:19,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:47:19,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:19,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 84 states and 164 transitions. [2022-10-17 16:47:19,847 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 164 transitions. [2022-10-17 16:47:19,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:19,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:19,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:19,879 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 16:47:20,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:20,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 84 states and 163 transitions. [2022-10-17 16:47:20,366 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 163 transitions. [2022-10-17 16:47:20,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:20,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:20,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:20,729 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:21,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:21,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 86 states and 170 transitions. [2022-10-17 16:47:21,975 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 170 transitions. [2022-10-17 16:47:21,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:21,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:21,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:22,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:47:22,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:22,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 87 states and 170 transitions. [2022-10-17 16:47:22,696 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 170 transitions. [2022-10-17 16:47:22,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:22,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:22,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:22,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:47:23,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:23,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 88 states and 172 transitions. [2022-10-17 16:47:23,183 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 172 transitions. [2022-10-17 16:47:23,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:23,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:23,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:23,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.