./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3458d00-4a1c-408f-9884-427416beeca6/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3458d00-4a1c-408f-9884-427416beeca6/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_a3458d00-4a1c-408f-9884-427416beeca6/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3458d00-4a1c-408f-9884-427416beeca6/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3458d00-4a1c-408f-9884-427416beeca6/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_a3458d00-4a1c-408f-9884-427416beeca6/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 6ef2b56a2f4ebf2e6f7f4ededf8760f087ff726b08e36644d8dcb52a8d087cd1 --- 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 16:29:48,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:29:48,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:29:48,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:29:48,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:29:48,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:29:48,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:29:48,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:29:48,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:29:48,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:29:48,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:29:48,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:29:48,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:29:48,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:29:48,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:29:48,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:29:48,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:29:48,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:29:48,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:29:48,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:29:48,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:29:48,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:29:48,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:29:48,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:29:48,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:29:48,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:29:48,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:29:48,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:29:48,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:29:48,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:29:48,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:29:48,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:29:48,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:29:48,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:29:48,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:29:48,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:29:48,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:29:48,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:29:48,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:29:48,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:29:48,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:29:48,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3458d00-4a1c-408f-9884-427416beeca6/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:29:48,671 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:29:48,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:29:48,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:29:48,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:29:48,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:29:48,675 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:29:48,675 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:29:48,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:29:48,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:29:48,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:29:48,677 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:29:48,677 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:29:48,677 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:29:48,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:29:48,678 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:29:48,678 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:29:48,678 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:29:48,678 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:29:48,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:29:48,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:48,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:29:48,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:29:48,680 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:29:48,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:29:48,680 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_a3458d00-4a1c-408f-9884-427416beeca6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3458d00-4a1c-408f-9884-427416beeca6/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ef2b56a2f4ebf2e6f7f4ededf8760f087ff726b08e36644d8dcb52a8d087cd1 [2022-10-17 16:29:48,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:29:49,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:29:49,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:29:49,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:29:49,009 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:29:49,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3458d00-4a1c-408f-9884-427416beeca6/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c [2022-10-17 16:29:49,087 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3458d00-4a1c-408f-9884-427416beeca6/bin/ukojak-92XMlrwhuB/data/6c1bf0507/618ea94b13054e83b482b5dd364051a1/FLAG36075d647 [2022-10-17 16:29:49,603 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:29:49,604 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3458d00-4a1c-408f-9884-427416beeca6/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c [2022-10-17 16:29:49,610 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3458d00-4a1c-408f-9884-427416beeca6/bin/ukojak-92XMlrwhuB/data/6c1bf0507/618ea94b13054e83b482b5dd364051a1/FLAG36075d647 [2022-10-17 16:29:49,913 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3458d00-4a1c-408f-9884-427416beeca6/bin/ukojak-92XMlrwhuB/data/6c1bf0507/618ea94b13054e83b482b5dd364051a1 [2022-10-17 16:29:49,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:49,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:49,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:49,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:49,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:49,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:49" (1/1) ... [2022-10-17 16:29:49,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aadfde9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:49, skipping insertion in model container [2022-10-17 16:29:49,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:49" (1/1) ... [2022-10-17 16:29:49,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:49,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:50,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:50,096 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:29:50,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:50,128 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:29:50,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:50 WrapperNode [2022-10-17 16:29:50,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:50,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:50,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:29:50,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:29:50,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:50" (1/1) ... [2022-10-17 16:29:50,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:50" (1/1) ... [2022-10-17 16:29:50,167 INFO L138 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-10-17 16:29:50,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:50,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:29:50,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:29:50,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:29:50,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:50" (1/1) ... [2022-10-17 16:29:50,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:50" (1/1) ... [2022-10-17 16:29:50,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:50" (1/1) ... [2022-10-17 16:29:50,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:50" (1/1) ... [2022-10-17 16:29:50,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:50" (1/1) ... [2022-10-17 16:29:50,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:50" (1/1) ... [2022-10-17 16:29:50,190 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:50" (1/1) ... [2022-10-17 16:29:50,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:50" (1/1) ... [2022-10-17 16:29:50,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:29:50,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:29:50,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:29:50,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:29:50,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:50" (1/1) ... [2022-10-17 16:29:50,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:50,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3458d00-4a1c-408f-9884-427416beeca6/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:29:50,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3458d00-4a1c-408f-9884-427416beeca6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:29:50,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3458d00-4a1c-408f-9884-427416beeca6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:29:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:29:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:29:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:29:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:29:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:29:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:29:50,350 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:29:50,352 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:29:50,609 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:29:50,682 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:29:50,683 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:29:50,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:50 BoogieIcfgContainer [2022-10-17 16:29:50,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:29:50,687 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:29:50,687 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:29:50,698 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:29:50,698 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:50" (1/1) ... [2022-10-17 16:29:50,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:29:50,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-10-17 16:29:50,792 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-10-17 16:29:50,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:29:50,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:50,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:51,187 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 16:29:51,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-10-17 16:29:51,255 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-10-17 16:29:51,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:29:51,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:51,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:51,364 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 16:29:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:51,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2022-10-17 16:29:51,412 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2022-10-17 16:29:51,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:29:51,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:51,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:51,512 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 16:29:51,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:51,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-10-17 16:29:51,589 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-10-17 16:29:51,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:29:51,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:51,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:51,735 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 16:29:52,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:52,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2022-10-17 16:29:52,056 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-10-17 16:29:52,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:29:52,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:52,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:52,314 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 16:29:52,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:52,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2022-10-17 16:29:52,925 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2022-10-17 16:29:52,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:29:52,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:52,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:53,009 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 16:29:53,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:53,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2022-10-17 16:29:53,129 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2022-10-17 16:29:53,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:29:53,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:53,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:53,316 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 16:29:54,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:54,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2022-10-17 16:29:54,191 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2022-10-17 16:29:54,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:29:54,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:54,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:54,277 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 16:29:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2022-10-17 16:29:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2022-10-17 16:29:54,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:29:54,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:54,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:54,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:54,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2022-10-17 16:29:54,940 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2022-10-17 16:29:54,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:29:54,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:54,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:55,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:29:55,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:55,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2022-10-17 16:29:55,897 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2022-10-17 16:29:55,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:29:55,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:55,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:56,013 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:56,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:56,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 48 states and 81 transitions. [2022-10-17 16:29:56,304 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 81 transitions. [2022-10-17 16:29:56,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:29:56,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:56,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:56,407 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:56,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:56,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2022-10-17 16:29:56,847 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2022-10-17 16:29:56,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:29:56,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:56,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:56,882 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:29:57,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:57,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 87 transitions. [2022-10-17 16:29:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 87 transitions. [2022-10-17 16:29:57,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:29:57,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:57,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:57,660 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:58,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:58,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 55 states and 100 transitions. [2022-10-17 16:29:58,772 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 100 transitions. [2022-10-17 16:29:58,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:29:58,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:58,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:59,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:59,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 58 states and 110 transitions. [2022-10-17 16:29:59,373 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 110 transitions. [2022-10-17 16:29:59,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:29:59,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:59,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:59,512 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:00,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2022-10-17 16:30:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2022-10-17 16:30:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:30:00,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:00,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:00,112 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:00,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:00,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 62 states and 119 transitions. [2022-10-17 16:30:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 119 transitions. [2022-10-17 16:30:00,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:30:00,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:00,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:00,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:00,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 123 transitions. [2022-10-17 16:30:00,932 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 123 transitions. [2022-10-17 16:30:00,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:30:00,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:00,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:00,953 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:30:01,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:01,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 64 states and 124 transitions. [2022-10-17 16:30:01,343 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 124 transitions. [2022-10-17 16:30:01,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:30:01,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:01,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:01,600 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:02,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 67 states and 139 transitions. [2022-10-17 16:30:02,651 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 139 transitions. [2022-10-17 16:30:02,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:30:02,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:02,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:02,805 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:03,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:03,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 69 states and 143 transitions. [2022-10-17 16:30:03,346 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 143 transitions. [2022-10-17 16:30:03,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:30:03,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:03,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:03,479 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:30:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 71 states and 144 transitions. [2022-10-17 16:30:03,732 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 144 transitions. [2022-10-17 16:30:03,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:30:03,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:03,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:04,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 74 states and 155 transitions. [2022-10-17 16:30:04,415 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 155 transitions. [2022-10-17 16:30:04,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:30:04,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:04,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:04,566 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:05,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:05,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 158 transitions. [2022-10-17 16:30:05,124 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 158 transitions. [2022-10-17 16:30:05,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:30:05,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:05,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:05,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:05,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 78 states and 161 transitions. [2022-10-17 16:30:05,778 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 161 transitions. [2022-10-17 16:30:05,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:30:05,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:05,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:05,801 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:30:06,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:06,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 79 states and 162 transitions. [2022-10-17 16:30:06,368 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 162 transitions. [2022-10-17 16:30:06,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:30:06,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:06,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:06,484 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 16:30:07,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 83 states and 165 transitions. [2022-10-17 16:30:07,201 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 165 transitions. [2022-10-17 16:30:07,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:30:07,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:07,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:07,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 86 states and 177 transitions. [2022-10-17 16:30:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 177 transitions. [2022-10-17 16:30:07,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:30:07,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:07,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:08,151 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:08,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:08,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 89 states and 183 transitions. [2022-10-17 16:30:08,765 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 183 transitions. [2022-10-17 16:30:08,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:30:08,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:08,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:08,865 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:30:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:09,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 91 states and 186 transitions. [2022-10-17 16:30:09,423 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 186 transitions. [2022-10-17 16:30:09,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:30:09,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:09,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:09,450 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:30:10,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:10,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 92 states and 187 transitions. [2022-10-17 16:30:10,033 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 187 transitions. [2022-10-17 16:30:10,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:30:10,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:10,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:10,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:10,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 95 states and 199 transitions. [2022-10-17 16:30:10,734 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 199 transitions. [2022-10-17 16:30:10,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:30:10,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:10,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:10,937 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:11,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 98 states and 205 transitions. [2022-10-17 16:30:11,478 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 205 transitions. [2022-10-17 16:30:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:30:11,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:11,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:11,621 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-10-17 16:30:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:12,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 100 states and 208 transitions. [2022-10-17 16:30:12,200 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 208 transitions. [2022-10-17 16:30:12,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:30:12,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:12,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-17 16:30:12,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:12,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 101 states and 209 transitions. [2022-10-17 16:30:12,886 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 209 transitions. [2022-10-17 16:30:12,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:30:12,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:12,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:13,119 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:13,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:13,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 104 states and 221 transitions. [2022-10-17 16:30:13,645 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 221 transitions. [2022-10-17 16:30:13,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:30:13,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:13,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:13,890 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:14,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:14,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 107 states and 227 transitions. [2022-10-17 16:30:14,595 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 227 transitions. [2022-10-17 16:30:14,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:30:14,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:14,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:14,653 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-10-17 16:30:15,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:15,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 108 states and 228 transitions. [2022-10-17 16:30:15,330 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 228 transitions. [2022-10-17 16:30:15,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:30:15,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:15,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:16,291 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:18,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:18,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 111 states and 257 transitions. [2022-10-17 16:30:18,333 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 257 transitions. [2022-10-17 16:30:18,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:30:18,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:18,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:18,604 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.