./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e71995-14d5-43dc-a2d9-d4a71d5e0fa9/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e71995-14d5-43dc-a2d9-d4a71d5e0fa9/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e71995-14d5-43dc-a2d9-d4a71d5e0fa9/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e71995-14d5-43dc-a2d9-d4a71d5e0fa9/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e71995-14d5-43dc-a2d9-d4a71d5e0fa9/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e71995-14d5-43dc-a2d9-d4a71d5e0fa9/bin/ukojak-rkRKPMF4O4 --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 64bit --witnessprinter.graph.data.programhash a15d7a8babeb47c5803852aa414fd44c9c2ce5952463596f56bd26c728f7d82b --- 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-2329fc7 [2022-12-14 23:58:35,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:58:35,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:58:35,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:58:35,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:58:35,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:58:35,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:58:35,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:58:35,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:58:35,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:58:35,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:58:35,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:58:35,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:58:35,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:58:35,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:58:35,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:58:35,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:58:35,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:58:35,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:58:35,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:58:35,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:58:35,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:58:35,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:58:35,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:58:35,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:58:35,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:58:35,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:58:35,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:58:35,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:58:35,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:58:35,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:58:35,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:58:35,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:58:35,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:58:35,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:58:35,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:58:35,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:58:35,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:58:35,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:58:35,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:58:35,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:58:35,067 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e71995-14d5-43dc-a2d9-d4a71d5e0fa9/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-14 23:58:35,087 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:58:35,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:58:35,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:58:35,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:58:35,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:58:35,089 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:58:35,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:58:35,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:58:35,089 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 23:58:35,089 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 23:58:35,089 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 23:58:35,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:58:35,090 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:58:35,090 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:58:35,090 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:58:35,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:58:35,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:58:35,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:58:35,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:58:35,091 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:58:35,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:58:35,091 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_b4e71995-14d5-43dc-a2d9-d4a71d5e0fa9/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e71995-14d5-43dc-a2d9-d4a71d5e0fa9/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a15d7a8babeb47c5803852aa414fd44c9c2ce5952463596f56bd26c728f7d82b [2022-12-14 23:58:35,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:58:35,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:58:35,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:58:35,300 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:58:35,301 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:58:35,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e71995-14d5-43dc-a2d9-d4a71d5e0fa9/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i [2022-12-14 23:58:37,993 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:58:38,188 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:58:38,188 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e71995-14d5-43dc-a2d9-d4a71d5e0fa9/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i [2022-12-14 23:58:38,202 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e71995-14d5-43dc-a2d9-d4a71d5e0fa9/bin/ukojak-rkRKPMF4O4/data/0745bc492/3bbf3c4df6224a6f8f146550b5b4c131/FLAG295c3cff2 [2022-12-14 23:58:38,215 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e71995-14d5-43dc-a2d9-d4a71d5e0fa9/bin/ukojak-rkRKPMF4O4/data/0745bc492/3bbf3c4df6224a6f8f146550b5b4c131 [2022-12-14 23:58:38,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:58:38,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:58:38,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:58:38,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:58:38,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:58:38,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:58:38" (1/1) ... [2022-12-14 23:58:38,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e3ac359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:38, skipping insertion in model container [2022-12-14 23:58:38,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:58:38" (1/1) ... [2022-12-14 23:58:38,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:58:38,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:58:38,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:58:38,497 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:58:38,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:58:38,553 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:58:38,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:38 WrapperNode [2022-12-14 23:58:38,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:58:38,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:58:38,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:58:38,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:58:38,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:38" (1/1) ... [2022-12-14 23:58:38,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:38" (1/1) ... [2022-12-14 23:58:38,587 INFO L138 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2022-12-14 23:58:38,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:58:38,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:58:38,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:58:38,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:58:38,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:38" (1/1) ... [2022-12-14 23:58:38,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:38" (1/1) ... [2022-12-14 23:58:38,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:38" (1/1) ... [2022-12-14 23:58:38,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:38" (1/1) ... [2022-12-14 23:58:38,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:38" (1/1) ... [2022-12-14 23:58:38,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:38" (1/1) ... [2022-12-14 23:58:38,606 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:38" (1/1) ... [2022-12-14 23:58:38,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:38" (1/1) ... [2022-12-14 23:58:38,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:58:38,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:58:38,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:58:38,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:58:38,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:58:38" (1/1) ... [2022-12-14 23:58:38,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:58:38,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e71995-14d5-43dc-a2d9-d4a71d5e0fa9/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:58:38,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e71995-14d5-43dc-a2d9-d4a71d5e0fa9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:58:38,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4e71995-14d5-43dc-a2d9-d4a71d5e0fa9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:58:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:58:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:58:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:58:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:58:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:58:38,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:58:38,751 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:58:38,752 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:58:38,877 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:58:38,922 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:58:38,922 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 23:58:38,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:58:38 BoogieIcfgContainer [2022-12-14 23:58:38,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:58:38,925 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:58:38,925 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:58:38,933 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:58:38,933 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:58:38" (1/1) ... [2022-12-14 23:58:38,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:58:38,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:58:38,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-12-14 23:58:38,982 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-12-14 23:58:38,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 23:58:38,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:58:38,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:58:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:58:39,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:58:39,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:58:39,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-12-14 23:58:39,294 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-12-14 23:58:39,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 23:58:39,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:58:39,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:58:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:58:39,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:58:39,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:58:39,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2022-12-14 23:58:39,588 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-12-14 23:58:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 23:58:39,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:58:39,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:58:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:58:39,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:58:39,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:58:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2022-12-14 23:58:39,919 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-12-14 23:58:39,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 23:58:39,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:58:39,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:58:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:58:40,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:58:40,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:58:40,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2022-12-14 23:58:40,201 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-12-14 23:58:40,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 23:58:40,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:58:40,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:58:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:58:40,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:58:40,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:58:40,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2022-12-14 23:58:40,924 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-12-14 23:58:40,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 23:58:40,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:58:40,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:58:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:58:41,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:58:42,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:58:42,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2022-12-14 23:58:42,297 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2022-12-14 23:58:42,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 23:58:42,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:58:42,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:58:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:58:42,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:58:43,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:58:43,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2022-12-14 23:58:43,982 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-12-14 23:58:43,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:58:43,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:58:43,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:58:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:58:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:58:47,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:58:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2022-12-14 23:58:47,210 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2022-12-14 23:58:47,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:58:47,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:58:47,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:58:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:58:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:58:49,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:58:49,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2022-12-14 23:58:49,489 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2022-12-14 23:58:49,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:58:49,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:58:49,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:58:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:58:49,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:58:53,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:58:53,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 50 states and 90 transitions. [2022-12-14 23:58:53,572 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2022-12-14 23:58:53,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:58:53,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:58:53,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:58:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:58:53,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:58:55,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:58:55,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 53 states and 100 transitions. [2022-12-14 23:58:55,483 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 100 transitions. [2022-12-14 23:58:55,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:58:55,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:58:55,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:58:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:58:56,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:59:01,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:59:01,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2022-12-14 23:59:01,932 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2022-12-14 23:59:01,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:59:01,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:59:01,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:59:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:59:01,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:59:02,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:59:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 62 states and 120 transitions. [2022-12-14 23:59:02,587 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 120 transitions. [2022-12-14 23:59:02,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:59:02,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:59:02,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:59:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:59:02,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:59:04,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:59:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 65 states and 126 transitions. [2022-12-14 23:59:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 126 transitions. [2022-12-14 23:59:04,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:59:04,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:59:04,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:59:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:59:05,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:59:08,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:59:08,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 135 transitions. [2022-12-14 23:59:08,949 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 135 transitions. [2022-12-14 23:59:08,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:59:08,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:59:08,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:59:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:59:08,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:59:09,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:59:09,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 70 states and 136 transitions. [2022-12-14 23:59:09,511 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 136 transitions. [2022-12-14 23:59:09,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:59:09,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:59:09,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:59:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:59:09,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:59:10,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:59:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2022-12-14 23:59:10,633 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2022-12-14 23:59:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:59:10,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:59:10,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:59:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:59:13,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:59:25,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:59:25,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 79 states and 165 transitions. [2022-12-14 23:59:25,127 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 165 transitions. [2022-12-14 23:59:25,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:59:25,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:59:25,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:59:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:59:25,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:59:27,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:59:27,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 81 states and 169 transitions. [2022-12-14 23:59:27,018 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 169 transitions. [2022-12-14 23:59:27,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:59:27,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:59:27,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:59:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:59:27,067 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 23:59:28,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:59:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 82 states and 173 transitions. [2022-12-14 23:59:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 173 transitions. [2022-12-14 23:59:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:59:28,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:59:28,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:59:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:59:28,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:59:29,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:59:29,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 83 states and 175 transitions. [2022-12-14 23:59:29,915 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 175 transitions. [2022-12-14 23:59:29,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:59:29,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:59:29,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:59:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:59:32,587 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:59:48,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:59:48,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 91 states and 199 transitions. [2022-12-14 23:59:48,195 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 199 transitions. [2022-12-14 23:59:48,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:59:48,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:59:48,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:59:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:59:51,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:00:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:00:14,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 100 states and 238 transitions. [2022-12-15 00:00:14,540 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 238 transitions. [2022-12-15 00:00:14,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:00:14,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:00:14,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:00:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:00:15,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:00:28,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:00:28,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 104 states and 244 transitions. [2022-12-15 00:00:28,673 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 244 transitions. [2022-12-15 00:00:28,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:00:28,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:00:28,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:00:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:00:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:00:29,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:00:29,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 105 states and 249 transitions. [2022-12-15 00:00:29,230 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 249 transitions. [2022-12-15 00:00:29,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:00:29,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:00:29,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:00:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:00:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:00:30,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:00:30,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 106 states and 253 transitions. [2022-12-15 00:00:30,403 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 253 transitions. [2022-12-15 00:00:30,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:00:30,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:00:30,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:00:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:00:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:00:32,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:00:32,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 107 states and 260 transitions. [2022-12-15 00:00:32,937 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 260 transitions. [2022-12-15 00:00:32,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:00:32,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:00:32,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:00:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:00:33,019 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 00:00:34,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:00:34,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 108 states and 262 transitions. [2022-12-15 00:00:34,261 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 262 transitions. [2022-12-15 00:00:34,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:00:34,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:00:34,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:00:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:00:37,053 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:00:43,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:00:43,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 108 states and 261 transitions. [2022-12-15 00:00:43,203 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 261 transitions. [2022-12-15 00:00:43,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:00:43,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:00:43,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:00:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:00:45,013 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:00:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:00:59,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 113 states and 275 transitions. [2022-12-15 00:00:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 275 transitions. [2022-12-15 00:00:59,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 00:00:59,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:00:59,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:00:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:01:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:01:27,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:01:27,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 118 states and 305 transitions. [2022-12-15 00:01:27,543 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 305 transitions. [2022-12-15 00:01:27,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:01:27,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:01:27,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:01:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:01:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:01:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:01:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 119 states and 305 transitions. [2022-12-15 00:01:30,667 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 305 transitions. [2022-12-15 00:01:30,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:01:30,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:01:30,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:01:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:01:30,781 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-15 00:01:35,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:01:35,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 122 states and 310 transitions. [2022-12-15 00:01:35,661 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 310 transitions. [2022-12-15 00:01:35,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:01:35,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:01:35,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:01:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:01:35,686 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:01:39,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:01:39,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 124 states and 324 transitions. [2022-12-15 00:01:39,678 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 324 transitions. [2022-12-15 00:01:39,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:01:39,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:01:39,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:01:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:01:43,810 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:00,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:00,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 129 states and 347 transitions. [2022-12-15 00:02:00,038 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 347 transitions. [2022-12-15 00:02:00,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:02:00,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:00,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:01,014 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:02:11,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:02:11,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 131 states and 361 transitions. [2022-12-15 00:02:11,167 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 361 transitions. [2022-12-15 00:02:11,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:02:11,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:02:11,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:02:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:02:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:03:04,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:04,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 140 states and 405 transitions. [2022-12-15 00:03:04,532 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 405 transitions. [2022-12-15 00:03:04,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:03:04,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:04,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:10,578 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:03:19,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:19,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 141 states and 413 transitions. [2022-12-15 00:03:19,359 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 413 transitions. [2022-12-15 00:03:19,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:03:19,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:19,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:21,167 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:03:57,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:03:57,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 147 states and 440 transitions. [2022-12-15 00:03:57,048 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 440 transitions. [2022-12-15 00:03:57,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:03:57,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:03:57,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:03:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:03:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 00:04:13,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:04:13,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 150 states and 443 transitions. [2022-12-15 00:04:13,303 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 443 transitions. [2022-12-15 00:04:13,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:04:13,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:04:13,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:04:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:04:20,607 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:04:51,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:04:51,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 154 states and 460 transitions. [2022-12-15 00:04:51,837 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 460 transitions. [2022-12-15 00:04:51,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:04:51,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:04:51,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:04:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:05:01,499 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:05:39,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:05:39,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 160 states and 502 transitions. [2022-12-15 00:05:39,383 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 502 transitions. [2022-12-15 00:05:39,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:05:39,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:05:39,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:05:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:05:39,751 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:05:49,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:05:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 162 states and 520 transitions. [2022-12-15 00:05:49,209 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 520 transitions. [2022-12-15 00:05:49,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:05:49,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:05:49,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:05:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:05:50,609 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:05:58,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:05:58,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 163 states and 524 transitions. [2022-12-15 00:05:58,431 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 524 transitions. [2022-12-15 00:05:58,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:05:58,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:05:58,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:05:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:06:07,812 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:07:33,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:33,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 176 states and 591 transitions. [2022-12-15 00:07:33,626 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 591 transitions. [2022-12-15 00:07:33,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:07:33,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:33,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:07:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:39,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 177 states and 600 transitions. [2022-12-15 00:07:39,951 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 600 transitions. [2022-12-15 00:07:39,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 00:07:39,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:39,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:56,732 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:09:31,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:09:31,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 188 states and 645 transitions. [2022-12-15 00:09:31,453 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 645 transitions. [2022-12-15 00:09:31,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 00:09:31,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:09:31,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:09:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:09:31,863 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:09:47,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:09:47,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 190 states and 661 transitions. [2022-12-15 00:09:47,374 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 661 transitions. [2022-12-15 00:09:47,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 00:09:47,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:09:47,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:09:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:10:12,744 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:12:39,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:12:39,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 197 states and 701 transitions. [2022-12-15 00:12:39,885 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 701 transitions. [2022-12-15 00:12:39,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 00:12:39,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:12:39,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:12:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:12:39,959 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-15 00:12:50,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:12:50,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 198 states and 701 transitions. [2022-12-15 00:12:50,984 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 701 transitions. [2022-12-15 00:12:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 00:12:50,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:12:50,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:12:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:13:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:13:37,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:13:37,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 200 states and 713 transitions. [2022-12-15 00:13:37,176 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 713 transitions. [2022-12-15 00:13:37,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:13:37,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:13:37,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:13:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat