./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/14_spin2003.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/14_spin2003.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f5ed9d077a05ec08544f0d3c902eb6b5aa6ad768c4ec69a1caaef2b54748a07e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:04:24,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:04:24,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:04:24,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:04:24,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:04:24,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:04:24,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:04:24,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:04:24,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:04:24,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:04:24,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:04:24,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:04:24,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:04:24,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:04:24,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:04:24,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:04:24,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:04:24,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:04:24,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:04:25,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:04:25,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:04:25,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:04:25,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:04:25,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:04:25,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:04:25,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:04:25,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:04:25,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:04:25,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:04:25,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:04:25,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:04:25,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:04:25,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:04:25,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:04:25,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:04:25,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:04:25,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:04:25,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:04:25,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:04:25,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:04:25,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:04:25,052 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:04:25,079 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:04:25,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:04:25,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:04:25,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:04:25,080 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:04:25,081 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:04:25,081 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:04:25,081 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:04:25,081 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:04:25,082 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:04:25,082 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:04:25,082 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:04:25,082 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:04:25,082 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:04:25,083 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:04:25,083 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:04:25,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:04:25,084 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:04:25,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:04:25,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:04:25,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:04:25,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:04:25,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:04:25,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:04:25,086 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:04:25,086 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:04:25,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:04:25,086 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:04:25,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:04:25,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:04:25,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:04:25,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:04:25,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:04:25,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:04:25,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:04:25,088 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:04:25,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:04:25,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:04:25,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:04:25,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:04:25,089 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3fa09fef-e235-46ae-b7a9-36195d3df136/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5ed9d077a05ec08544f0d3c902eb6b5aa6ad768c4ec69a1caaef2b54748a07e [2021-11-12 23:04:25,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:04:25,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:04:25,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:04:25,373 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:04:25,374 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:04:25,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/pthread-ext/14_spin2003.i [2021-11-12 23:04:25,467 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/bin/utaipan-vmNK8stdcF/data/c2b27b138/09c4bea824514c35a7eaa66312de392d/FLAG1ae615a47 [2021-11-12 23:04:26,074 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:04:26,075 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/sv-benchmarks/c/pthread-ext/14_spin2003.i [2021-11-12 23:04:26,098 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/bin/utaipan-vmNK8stdcF/data/c2b27b138/09c4bea824514c35a7eaa66312de392d/FLAG1ae615a47 [2021-11-12 23:04:26,322 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/bin/utaipan-vmNK8stdcF/data/c2b27b138/09c4bea824514c35a7eaa66312de392d [2021-11-12 23:04:26,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:04:26,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:04:26,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:04:26,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:04:26,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:04:26,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:04:26" (1/1) ... [2021-11-12 23:04:26,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ebfc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:26, skipping insertion in model container [2021-11-12 23:04:26,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:04:26" (1/1) ... [2021-11-12 23:04:26,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:04:26,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:04:26,754 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/sv-benchmarks/c/pthread-ext/14_spin2003.i[30203,30216] [2021-11-12 23:04:26,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:04:26,778 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:04:26,830 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/sv-benchmarks/c/pthread-ext/14_spin2003.i[30203,30216] [2021-11-12 23:04:26,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:04:26,872 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:04:26,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:26 WrapperNode [2021-11-12 23:04:26,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:04:26,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:04:26,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:04:26,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:04:26,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:26" (1/1) ... [2021-11-12 23:04:26,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:26" (1/1) ... [2021-11-12 23:04:26,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:04:26,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:04:26,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:04:26,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:04:26,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:26" (1/1) ... [2021-11-12 23:04:26,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:26" (1/1) ... [2021-11-12 23:04:26,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:26" (1/1) ... [2021-11-12 23:04:26,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:26" (1/1) ... [2021-11-12 23:04:26,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:26" (1/1) ... [2021-11-12 23:04:26,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:26" (1/1) ... [2021-11-12 23:04:26,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:26" (1/1) ... [2021-11-12 23:04:26,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:04:26,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:04:26,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:04:26,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:04:26,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:26" (1/1) ... [2021-11-12 23:04:26,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:04:26,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:04:26,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:04:26,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa09fef-e235-46ae-b7a9-36195d3df136/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:04:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-12 23:04:27,011 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-12 23:04:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:04:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:04:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:04:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:04:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:04:27,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:04:27,014 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-12 23:04:27,261 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:04:27,261 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-12 23:04:27,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:04:27 BoogieIcfgContainer [2021-11-12 23:04:27,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:04:27,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:04:27,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:04:27,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:04:27,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:04:26" (1/3) ... [2021-11-12 23:04:27,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce12790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:04:27, skipping insertion in model container [2021-11-12 23:04:27,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:26" (2/3) ... [2021-11-12 23:04:27,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce12790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:04:27, skipping insertion in model container [2021-11-12 23:04:27,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:04:27" (3/3) ... [2021-11-12 23:04:27,273 INFO L111 eAbstractionObserver]: Analyzing ICFG 14_spin2003.i [2021-11-12 23:04:27,278 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-12 23:04:27,278 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:04:27,279 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:04:27,279 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-12 23:04:27,302 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,303 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,303 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,303 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,303 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,304 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,304 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,304 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,304 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,305 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,305 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,305 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,306 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,306 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,307 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,307 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,307 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,308 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,308 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,308 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,311 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,312 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,312 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,312 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,312 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,313 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:27,314 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-12 23:04:27,423 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:04:27,430 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:04:27,430 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 23:04:27,443 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:04:27,469 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 42 transitions, 89 flow [2021-11-12 23:04:27,477 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 42 transitions, 89 flow [2021-11-12 23:04:27,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 42 transitions, 89 flow [2021-11-12 23:04:27,545 INFO L129 PetriNetUnfolder]: 3/53 cut-off events. [2021-11-12 23:04:27,545 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-12 23:04:27,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 53 events. 3/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 69 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 26. Up to 4 conditions per place. [2021-11-12 23:04:27,550 INFO L116 LiptonReduction]: Number of co-enabled transitions 336 [2021-11-12 23:04:29,215 INFO L131 LiptonReduction]: Checked pairs total: 281 [2021-11-12 23:04:29,215 INFO L133 LiptonReduction]: Total number of compositions: 40 [2021-11-12 23:04:29,224 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 8 transitions, 21 flow [2021-11-12 23:04:29,241 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 17 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:29,243 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:29,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-12 23:04:29,249 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:29,251 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-12 23:04:29,253 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:04:29,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:29,258 INFO L85 PathProgramCache]: Analyzing trace with hash 7099286, now seen corresponding path program 1 times [2021-11-12 23:04:29,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:29,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225007773] [2021-11-12 23:04:29,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:29,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:29,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:29,423 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:04:29,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225007773] [2021-11-12 23:04:29,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225007773] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:04:29,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:04:29,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-12 23:04:29,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534957760] [2021-11-12 23:04:29,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:04:29,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:04:29,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:04:29,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:04:29,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:04:29,462 INFO L87 Difference]: Start difference. First operand has 17 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:29,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:04:29,492 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2021-11-12 23:04:29,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:04:29,494 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-12 23:04:29,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:04:29,502 INFO L225 Difference]: With dead ends: 11 [2021-11-12 23:04:29,502 INFO L226 Difference]: Without dead ends: 11 [2021-11-12 23:04:29,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:04:29,508 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.26ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.40ms IncrementalHoareTripleChecker+Time [2021-11-12 23:04:29,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 5 Unknown, 0 Unchecked, 0.26ms Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 18.40ms Time] [2021-11-12 23:04:29,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-12 23:04:29,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-12 23:04:29,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:29,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2021-11-12 23:04:29,541 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2021-11-12 23:04:29,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:04:29,542 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-11-12 23:04:29,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:29,547 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-11-12 23:04:29,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-12 23:04:29,547 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:29,548 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2021-11-12 23:04:29,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:04:29,550 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:04:29,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:29,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1767537760, now seen corresponding path program 1 times [2021-11-12 23:04:29,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:29,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634419731] [2021-11-12 23:04:29,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:29,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:04:29,611 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:04:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:04:29,704 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 23:04:29,704 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:04:29,707 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 3 remaining) [2021-11-12 23:04:29,709 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-12 23:04:29,710 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-12 23:04:29,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-12 23:04:29,713 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-12 23:04:29,717 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-12 23:04:29,717 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-11-12 23:04:29,727 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,733 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,733 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,734 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,734 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,734 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,734 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,735 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,735 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,735 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,736 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,736 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,736 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,736 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,736 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,736 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,737 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,737 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,737 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,738 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,738 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,739 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,739 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,739 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,740 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,740 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,740 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,741 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,741 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,741 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,742 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,742 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,742 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,742 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,742 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,743 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,743 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,744 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,745 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,746 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,746 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:29,746 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-12 23:04:29,753 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:04:29,754 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:04:29,755 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-12 23:04:29,759 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:04:29,760 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 55 transitions, 122 flow [2021-11-12 23:04:29,760 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 55 transitions, 122 flow [2021-11-12 23:04:29,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 55 transitions, 122 flow [2021-11-12 23:04:29,791 INFO L129 PetriNetUnfolder]: 5/79 cut-off events. [2021-11-12 23:04:29,791 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-12 23:04:29,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 79 events. 5/79 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 128 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 54. Up to 6 conditions per place. [2021-11-12 23:04:29,796 INFO L116 LiptonReduction]: Number of co-enabled transitions 984 [2021-11-12 23:04:31,411 INFO L131 LiptonReduction]: Checked pairs total: 3168 [2021-11-12 23:04:31,411 INFO L133 LiptonReduction]: Total number of compositions: 46 [2021-11-12 23:04:31,413 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 22 transitions, 56 flow [2021-11-12 23:04:31,437 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 326 states, 318 states have (on average 2.7830188679245285) internal successors, (885), 325 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:31,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 326 states, 318 states have (on average 2.7830188679245285) internal successors, (885), 325 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:31,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-12 23:04:31,440 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:31,440 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:31,441 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:04:31,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:31,441 INFO L85 PathProgramCache]: Analyzing trace with hash -417418230, now seen corresponding path program 1 times [2021-11-12 23:04:31,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:31,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208595432] [2021-11-12 23:04:31,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:31,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:31,488 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:04:31,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208595432] [2021-11-12 23:04:31,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208595432] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:04:31,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:04:31,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:04:31,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020097406] [2021-11-12 23:04:31,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:04:31,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:04:31,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:04:31,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:04:31,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:31,492 INFO L87 Difference]: Start difference. First operand has 326 states, 318 states have (on average 2.7830188679245285) internal successors, (885), 325 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:31,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:04:31,538 INFO L93 Difference]: Finished difference Result 277 states and 637 transitions. [2021-11-12 23:04:31,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:04:31,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-12 23:04:31,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:04:31,559 INFO L225 Difference]: With dead ends: 277 [2021-11-12 23:04:31,564 INFO L226 Difference]: Without dead ends: 277 [2021-11-12 23:04:31,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:31,566 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 12 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.62ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.97ms IncrementalHoareTripleChecker+Time [2021-11-12 23:04:31,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 12 Invalid, 27 Unknown, 0 Unchecked, 0.62ms Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 23.97ms Time] [2021-11-12 23:04:31,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-11-12 23:04:31,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 257. [2021-11-12 23:04:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 254 states have (on average 2.326771653543307) internal successors, (591), 256 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:31,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 591 transitions. [2021-11-12 23:04:31,640 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 591 transitions. Word has length 7 [2021-11-12 23:04:31,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:04:31,640 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 591 transitions. [2021-11-12 23:04:31,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:31,641 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 591 transitions. [2021-11-12 23:04:31,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-12 23:04:31,648 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:31,648 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2021-11-12 23:04:31,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-12 23:04:31,649 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:04:31,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:31,649 INFO L85 PathProgramCache]: Analyzing trace with hash 166461660, now seen corresponding path program 1 times [2021-11-12 23:04:31,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:31,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845490047] [2021-11-12 23:04:31,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:31,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:04:31,686 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:04:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:04:31,710 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 23:04:31,710 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:04:31,710 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 4 remaining) [2021-11-12 23:04:31,710 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2021-11-12 23:04:31,711 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2021-11-12 23:04:31,711 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2021-11-12 23:04:31,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-12 23:04:31,714 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-12 23:04:31,714 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-12 23:04:31,714 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-11-12 23:04:31,722 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,723 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,723 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,723 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,723 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,723 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,723 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,723 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,724 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,724 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,724 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,724 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,725 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,725 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,725 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,725 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,726 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,726 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,726 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,726 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,727 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,727 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,727 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,727 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,727 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,732 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,735 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,735 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,735 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,735 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,736 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,736 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,736 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,736 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,736 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,737 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,737 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,737 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,737 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,737 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,738 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,738 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,738 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,738 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,738 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,739 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,739 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,739 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,739 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,740 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,740 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,740 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:31,740 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-12 23:04:31,742 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:04:31,745 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:04:31,745 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-12 23:04:31,748 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:04:31,748 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 68 transitions, 157 flow [2021-11-12 23:04:31,748 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 68 transitions, 157 flow [2021-11-12 23:04:31,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 68 transitions, 157 flow [2021-11-12 23:04:31,779 INFO L129 PetriNetUnfolder]: 7/105 cut-off events. [2021-11-12 23:04:31,780 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-11-12 23:04:31,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 105 events. 7/105 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 199 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 83. Up to 8 conditions per place. [2021-11-12 23:04:31,785 INFO L116 LiptonReduction]: Number of co-enabled transitions 1944 [2021-11-12 23:04:33,357 INFO L131 LiptonReduction]: Checked pairs total: 7493 [2021-11-12 23:04:33,358 INFO L133 LiptonReduction]: Total number of compositions: 57 [2021-11-12 23:04:33,359 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 30 transitions, 81 flow [2021-11-12 23:04:33,481 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2327 states, 2308 states have (on average 3.7400346620450606) internal successors, (8632), 2326 states have internal predecessors, (8632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:33,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 2327 states, 2308 states have (on average 3.7400346620450606) internal successors, (8632), 2326 states have internal predecessors, (8632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-12 23:04:33,491 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:33,492 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:33,492 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:04:33,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:33,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1774637134, now seen corresponding path program 1 times [2021-11-12 23:04:33,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:33,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140717343] [2021-11-12 23:04:33,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:33,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:33,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:33,523 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:04:33,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140717343] [2021-11-12 23:04:33,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140717343] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:04:33,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:04:33,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:04:33,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387544250] [2021-11-12 23:04:33,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:04:33,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:04:33,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:04:33,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:04:33,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:33,535 INFO L87 Difference]: Start difference. First operand has 2327 states, 2308 states have (on average 3.7400346620450606) internal successors, (8632), 2326 states have internal predecessors, (8632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:33,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:04:33,612 INFO L93 Difference]: Finished difference Result 2297 states and 7000 transitions. [2021-11-12 23:04:33,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:04:33,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-12 23:04:33,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:04:33,639 INFO L225 Difference]: With dead ends: 2297 [2021-11-12 23:04:33,639 INFO L226 Difference]: Without dead ends: 2297 [2021-11-12 23:04:33,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:33,640 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 16 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.81ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.92ms IncrementalHoareTripleChecker+Time [2021-11-12 23:04:33,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 15 Invalid, 40 Unknown, 0 Unchecked, 0.81ms Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 32.92ms Time] [2021-11-12 23:04:33,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2021-11-12 23:04:33,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 2011. [2021-11-12 23:04:33,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2011 states, 2004 states have (on average 3.0733532934131738) internal successors, (6159), 2010 states have internal predecessors, (6159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:33,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 6159 transitions. [2021-11-12 23:04:33,750 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 6159 transitions. Word has length 7 [2021-11-12 23:04:33,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:04:33,750 INFO L470 AbstractCegarLoop]: Abstraction has 2011 states and 6159 transitions. [2021-11-12 23:04:33,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:33,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 6159 transitions. [2021-11-12 23:04:33,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-12 23:04:33,752 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:33,753 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:33,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-12 23:04:33,753 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:04:33,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:33,753 INFO L85 PathProgramCache]: Analyzing trace with hash 948655726, now seen corresponding path program 1 times [2021-11-12 23:04:33,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:33,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254876912] [2021-11-12 23:04:33,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:33,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:33,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:04:33,796 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:04:33,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254876912] [2021-11-12 23:04:33,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254876912] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:04:33,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:04:33,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:04:33,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120547157] [2021-11-12 23:04:33,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:04:33,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:04:33,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:04:33,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:04:33,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:33,799 INFO L87 Difference]: Start difference. First operand 2011 states and 6159 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:33,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:04:33,822 INFO L93 Difference]: Finished difference Result 387 states and 731 transitions. [2021-11-12 23:04:33,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:04:33,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-12 23:04:33,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:04:33,826 INFO L225 Difference]: With dead ends: 387 [2021-11-12 23:04:33,826 INFO L226 Difference]: Without dead ends: 387 [2021-11-12 23:04:33,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:33,827 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 15 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.47ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.45ms IncrementalHoareTripleChecker+Time [2021-11-12 23:04:33,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 18 Invalid, 26 Unknown, 0 Unchecked, 0.47ms Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 17.45ms Time] [2021-11-12 23:04:33,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-11-12 23:04:33,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2021-11-12 23:04:33,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 386 states have (on average 1.8937823834196892) internal successors, (731), 386 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:33,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 731 transitions. [2021-11-12 23:04:33,841 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 731 transitions. Word has length 13 [2021-11-12 23:04:33,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:04:33,842 INFO L470 AbstractCegarLoop]: Abstraction has 387 states and 731 transitions. [2021-11-12 23:04:33,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:33,842 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 731 transitions. [2021-11-12 23:04:33,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-12 23:04:33,844 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:33,844 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2021-11-12 23:04:33,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-12 23:04:33,844 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:04:33,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:33,845 INFO L85 PathProgramCache]: Analyzing trace with hash 136569265, now seen corresponding path program 1 times [2021-11-12 23:04:33,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:33,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022607437] [2021-11-12 23:04:33,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:33,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:04:33,859 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:04:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:04:33,905 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 23:04:33,905 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:04:33,905 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 5 remaining) [2021-11-12 23:04:33,905 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-11-12 23:04:33,906 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2021-11-12 23:04:33,906 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2021-11-12 23:04:33,906 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-11-12 23:04:33,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-12 23:04:33,907 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-12 23:04:33,907 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-12 23:04:33,907 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-11-12 23:04:33,915 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,915 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,915 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,915 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,915 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,916 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,916 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,916 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,916 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,916 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,916 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,917 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,917 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,917 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,917 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,917 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,918 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,918 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,918 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,918 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,918 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,918 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,919 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,919 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,919 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,919 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,919 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,919 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,919 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,920 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,920 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,920 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,920 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,920 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,921 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,921 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,921 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,921 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,921 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,921 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,922 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,922 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,922 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,922 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,922 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,922 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,923 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,923 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,923 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,923 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,923 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,923 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,924 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,924 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,924 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,924 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,924 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,924 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,926 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,926 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,926 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,926 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,926 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,926 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,926 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,927 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,927 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,927 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,927 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,927 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,928 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,928 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,928 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,928 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,928 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,929 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,929 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,929 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,929 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,929 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,929 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,930 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,930 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,930 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,930 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,930 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,931 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,931 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,931 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,931 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,932 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,932 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,932 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,932 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,932 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,933 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,933 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,933 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,933 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:33,933 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-12 23:04:33,935 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:04:33,935 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:04:33,935 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-12 23:04:33,937 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:04:33,937 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 81 transitions, 194 flow [2021-11-12 23:04:33,937 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 81 transitions, 194 flow [2021-11-12 23:04:33,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 81 transitions, 194 flow [2021-11-12 23:04:33,956 INFO L129 PetriNetUnfolder]: 9/131 cut-off events. [2021-11-12 23:04:33,956 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-11-12 23:04:33,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 131 events. 9/131 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 250 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 113. Up to 10 conditions per place. [2021-11-12 23:04:33,963 INFO L116 LiptonReduction]: Number of co-enabled transitions 3216 [2021-11-12 23:04:35,786 INFO L131 LiptonReduction]: Checked pairs total: 13119 [2021-11-12 23:04:35,786 INFO L133 LiptonReduction]: Total number of compositions: 68 [2021-11-12 23:04:35,787 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 38 transitions, 108 flow [2021-11-12 23:04:36,610 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 16374 states, 16332 states have (on average 4.722018123928484) internal successors, (77120), 16373 states have internal predecessors, (77120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 16374 states, 16332 states have (on average 4.722018123928484) internal successors, (77120), 16373 states have internal predecessors, (77120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:36,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-12 23:04:36,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:36,645 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:36,646 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-12 23:04:36,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:36,647 INFO L85 PathProgramCache]: Analyzing trace with hash 695910846, now seen corresponding path program 1 times [2021-11-12 23:04:36,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:36,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227902762] [2021-11-12 23:04:36,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:36,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:36,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:36,670 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:04:36,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227902762] [2021-11-12 23:04:36,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227902762] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:04:36,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:04:36,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:04:36,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693208364] [2021-11-12 23:04:36,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:04:36,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:04:36,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:04:36,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:04:36,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:36,788 INFO L87 Difference]: Start difference. First operand has 16374 states, 16332 states have (on average 4.722018123928484) internal successors, (77120), 16373 states have internal predecessors, (77120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:37,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:04:37,397 INFO L93 Difference]: Finished difference Result 18213 states and 69447 transitions. [2021-11-12 23:04:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:04:37,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-12 23:04:37,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:04:37,884 INFO L225 Difference]: With dead ends: 18213 [2021-11-12 23:04:37,884 INFO L226 Difference]: Without dead ends: 18213 [2021-11-12 23:04:37,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:37,886 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 20 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.79ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.82ms IncrementalHoareTripleChecker+Time [2021-11-12 23:04:37,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 18 Invalid, 53 Unknown, 0 Unchecked, 1.79ms Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 61.82ms Time] [2021-11-12 23:04:38,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18213 states. [2021-11-12 23:04:38,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18213 to 15501. [2021-11-12 23:04:38,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15501 states, 15486 states have (on average 3.8563218390804597) internal successors, (59719), 15500 states have internal predecessors, (59719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:38,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15501 states to 15501 states and 59719 transitions. [2021-11-12 23:04:38,972 INFO L78 Accepts]: Start accepts. Automaton has 15501 states and 59719 transitions. Word has length 7 [2021-11-12 23:04:38,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:04:38,973 INFO L470 AbstractCegarLoop]: Abstraction has 15501 states and 59719 transitions. [2021-11-12 23:04:38,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 15501 states and 59719 transitions. [2021-11-12 23:04:38,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-12 23:04:38,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:38,977 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:38,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-12 23:04:38,979 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-12 23:04:38,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:38,980 INFO L85 PathProgramCache]: Analyzing trace with hash 503379769, now seen corresponding path program 1 times [2021-11-12 23:04:38,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:38,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533967712] [2021-11-12 23:04:38,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:38,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:39,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:39,042 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:04:39,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533967712] [2021-11-12 23:04:39,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533967712] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:04:39,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:04:39,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:04:39,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312283076] [2021-11-12 23:04:39,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:04:39,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:04:39,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:04:39,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:04:39,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:39,045 INFO L87 Difference]: Start difference. First operand 15501 states and 59719 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:39,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:04:39,092 INFO L93 Difference]: Finished difference Result 1051 states and 2047 transitions. [2021-11-12 23:04:39,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:04:39,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-12 23:04:39,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:04:39,096 INFO L225 Difference]: With dead ends: 1051 [2021-11-12 23:04:39,096 INFO L226 Difference]: Without dead ends: 1051 [2021-11-12 23:04:39,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:39,098 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 13 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.50ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.99ms IncrementalHoareTripleChecker+Time [2021-11-12 23:04:39,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 21 Invalid, 34 Unknown, 0 Unchecked, 0.50ms Time], IncrementalHoareTripleChecker [6 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 27.99ms Time] [2021-11-12 23:04:39,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2021-11-12 23:04:39,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 1051. [2021-11-12 23:04:39,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1051 states, 1050 states have (on average 1.9495238095238094) internal successors, (2047), 1050 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:39,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 2047 transitions. [2021-11-12 23:04:39,283 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 2047 transitions. Word has length 13 [2021-11-12 23:04:39,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:04:39,284 INFO L470 AbstractCegarLoop]: Abstraction has 1051 states and 2047 transitions. [2021-11-12 23:04:39,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:39,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 2047 transitions. [2021-11-12 23:04:39,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-12 23:04:39,286 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:39,286 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:39,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-12 23:04:39,286 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-12 23:04:39,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:39,287 INFO L85 PathProgramCache]: Analyzing trace with hash 2026009174, now seen corresponding path program 1 times [2021-11-12 23:04:39,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:39,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930463511] [2021-11-12 23:04:39,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:39,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:04:39,335 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:04:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:04:39,404 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 23:04:39,408 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:04:39,408 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 6 remaining) [2021-11-12 23:04:39,409 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-11-12 23:04:39,409 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2021-11-12 23:04:39,409 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2021-11-12 23:04:39,409 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2021-11-12 23:04:39,410 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-12 23:04:39,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-12 23:04:39,423 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-12 23:04:39,424 WARN L234 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-12 23:04:39,424 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-11-12 23:04:39,441 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,441 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,441 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,442 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,442 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,442 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,442 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,442 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,442 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,442 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,443 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,443 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,448 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,448 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,448 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,449 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,449 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,449 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,449 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,449 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,449 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,450 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,450 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,450 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,450 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,451 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,451 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,451 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,451 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,451 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,451 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,451 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,452 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,452 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,452 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,452 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,452 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,452 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,453 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,453 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,453 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,453 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,453 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,454 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,454 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,454 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,454 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,454 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,454 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,454 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,455 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,455 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,455 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,455 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,455 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,455 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,456 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,456 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,456 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,456 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,457 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,457 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,457 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,457 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,457 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,457 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,458 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,458 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,458 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,458 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,458 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,458 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,458 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,460 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,460 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,460 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,460 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,460 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,461 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,461 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,462 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,462 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,462 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,462 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,462 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,463 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,463 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,463 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,463 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,463 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,463 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,463 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,464 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,464 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,464 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,464 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,465 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,465 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,465 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,465 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,465 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,466 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,466 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,466 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,466 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,466 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,467 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,467 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,467 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,467 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,467 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,467 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,468 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,468 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,468 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,468 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,468 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,469 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,469 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,469 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,470 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,470 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,470 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,470 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,470 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,471 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,471 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,471 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,471 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,471 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:39,471 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-12 23:04:39,473 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:04:39,473 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:04:39,474 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-12 23:04:39,476 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:04:39,477 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 94 transitions, 233 flow [2021-11-12 23:04:39,477 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 94 transitions, 233 flow [2021-11-12 23:04:39,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 94 transitions, 233 flow [2021-11-12 23:04:39,513 INFO L129 PetriNetUnfolder]: 11/157 cut-off events. [2021-11-12 23:04:39,513 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-11-12 23:04:39,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 157 events. 11/157 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 318 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 144. Up to 12 conditions per place. [2021-11-12 23:04:39,526 INFO L116 LiptonReduction]: Number of co-enabled transitions 4800 [2021-11-12 23:04:41,482 INFO L131 LiptonReduction]: Checked pairs total: 22014 [2021-11-12 23:04:41,483 INFO L133 LiptonReduction]: Total number of compositions: 71 [2021-11-12 23:04:41,484 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 44 transitions, 133 flow [2021-11-12 23:04:45,791 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 114783 states, 114694 states have (on average 5.429891711859383) internal successors, (622776), 114782 states have internal predecessors, (622776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:45,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 114783 states, 114694 states have (on average 5.429891711859383) internal successors, (622776), 114782 states have internal predecessors, (622776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:45,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-12 23:04:45,972 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:45,972 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:45,972 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:04:45,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:45,974 INFO L85 PathProgramCache]: Analyzing trace with hash 610483900, now seen corresponding path program 1 times [2021-11-12 23:04:45,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:45,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872388480] [2021-11-12 23:04:45,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:45,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:46,006 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:04:46,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872388480] [2021-11-12 23:04:46,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872388480] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:04:46,007 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:04:46,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:04:46,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531598411] [2021-11-12 23:04:46,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:04:46,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:04:46,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:04:46,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:04:46,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:46,202 INFO L87 Difference]: Start difference. First operand has 114783 states, 114694 states have (on average 5.429891711859383) internal successors, (622776), 114782 states have internal predecessors, (622776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:48,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:04:48,927 INFO L93 Difference]: Finished difference Result 139177 states and 638638 transitions. [2021-11-12 23:04:48,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:04:48,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-12 23:04:48,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:04:50,650 INFO L225 Difference]: With dead ends: 139177 [2021-11-12 23:04:50,650 INFO L226 Difference]: Without dead ends: 139177 [2021-11-12 23:04:50,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:50,651 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 24 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.86ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.07ms IncrementalHoareTripleChecker+Time [2021-11-12 23:04:50,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 21 Invalid, 66 Unknown, 0 Unchecked, 0.86ms Time], IncrementalHoareTripleChecker [9 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 79.07ms Time] [2021-11-12 23:04:51,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139177 states. [2021-11-12 23:04:56,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139177 to 117611. [2021-11-12 23:04:56,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117611 states, 117580 states have (on average 4.654354482054771) internal successors, (547259), 117610 states have internal predecessors, (547259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:57,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117611 states to 117611 states and 547259 transitions. [2021-11-12 23:04:57,448 INFO L78 Accepts]: Start accepts. Automaton has 117611 states and 547259 transitions. Word has length 7 [2021-11-12 23:04:57,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:04:57,449 INFO L470 AbstractCegarLoop]: Abstraction has 117611 states and 547259 transitions. [2021-11-12 23:04:57,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:57,449 INFO L276 IsEmpty]: Start isEmpty. Operand 117611 states and 547259 transitions. [2021-11-12 23:04:57,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-12 23:04:57,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:57,450 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:57,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-12 23:04:57,450 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:04:57,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:57,451 INFO L85 PathProgramCache]: Analyzing trace with hash -428921804, now seen corresponding path program 1 times [2021-11-12 23:04:57,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:57,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973336428] [2021-11-12 23:04:57,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:57,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:04:57,493 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:04:57,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973336428] [2021-11-12 23:04:57,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973336428] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:04:57,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:04:57,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:04:57,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662213914] [2021-11-12 23:04:57,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:04:57,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:04:57,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:04:57,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:04:57,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:57,495 INFO L87 Difference]: Start difference. First operand 117611 states and 547259 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:58,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:04:58,289 INFO L93 Difference]: Finished difference Result 2667 states and 5295 transitions. [2021-11-12 23:04:58,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:04:58,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-12 23:04:58,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:04:58,298 INFO L225 Difference]: With dead ends: 2667 [2021-11-12 23:04:58,298 INFO L226 Difference]: Without dead ends: 2667 [2021-11-12 23:04:58,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:04:58,299 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 18 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.48ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.79ms IncrementalHoareTripleChecker+Time [2021-11-12 23:04:58,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 22 Invalid, 44 Unknown, 0 Unchecked, 0.48ms Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 30.79ms Time] [2021-11-12 23:04:58,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2667 states. [2021-11-12 23:04:58,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2667 to 2667. [2021-11-12 23:04:58,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2667 states, 2666 states have (on average 1.9861215303825956) internal successors, (5295), 2666 states have internal predecessors, (5295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:58,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 5295 transitions. [2021-11-12 23:04:58,358 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 5295 transitions. Word has length 13 [2021-11-12 23:04:58,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:04:58,359 INFO L470 AbstractCegarLoop]: Abstraction has 2667 states and 5295 transitions. [2021-11-12 23:04:58,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:04:58,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 5295 transitions. [2021-11-12 23:04:58,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-12 23:04:58,361 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:58,361 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:04:58,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-12 23:04:58,362 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:04:58,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:58,362 INFO L85 PathProgramCache]: Analyzing trace with hash 462616593, now seen corresponding path program 1 times [2021-11-12 23:04:58,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:04:58,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363080945] [2021-11-12 23:04:58,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:58,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:04:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:04:58,377 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:04:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:04:58,410 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 23:04:58,410 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:04:58,410 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 7 remaining) [2021-11-12 23:04:58,410 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-11-12 23:04:58,411 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2021-11-12 23:04:58,411 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2021-11-12 23:04:58,411 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2021-11-12 23:04:58,411 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2021-11-12 23:04:58,411 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-11-12 23:04:58,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-12 23:04:58,412 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-12 23:04:58,412 WARN L234 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-12 23:04:58,413 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2021-11-12 23:04:58,424 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,434 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,434 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,434 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,434 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,434 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,435 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,435 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,435 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,435 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,435 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,435 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,435 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,436 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,436 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,436 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,436 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,436 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,437 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,437 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,437 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,437 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,437 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,437 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,437 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,438 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,438 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,438 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,439 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,439 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,439 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,439 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,439 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,439 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,440 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,440 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,440 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,440 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,440 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,440 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,441 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,441 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,441 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,441 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,441 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,441 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,442 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,442 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,443 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,443 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,443 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,443 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,443 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,443 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,443 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,444 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,444 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,444 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,444 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,444 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,445 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,445 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,445 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,445 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,445 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,445 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,446 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,446 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,446 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,446 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,446 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,447 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,447 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,447 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,447 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,448 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,448 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,448 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,449 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,449 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,449 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,449 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,450 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,450 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,450 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,450 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,451 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,451 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,451 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,451 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,452 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,452 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,452 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,452 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,453 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,453 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,453 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,454 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,454 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,454 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,454 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,454 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:04:58,455 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-12 23:04:58,456 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:04:58,456 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:04:58,457 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-12 23:04:58,458 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:04:58,458 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 107 transitions, 274 flow [2021-11-12 23:04:58,458 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 107 transitions, 274 flow [2021-11-12 23:04:58,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 107 transitions, 274 flow [2021-11-12 23:04:58,507 INFO L129 PetriNetUnfolder]: 13/183 cut-off events. [2021-11-12 23:04:58,508 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2021-11-12 23:04:58,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 183 events. 13/183 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 370 event pairs, 0 based on Foata normal form. 0/157 useless extension candidates. Maximal degree in co-relation 176. Up to 14 conditions per place. [2021-11-12 23:04:58,520 INFO L116 LiptonReduction]: Number of co-enabled transitions 6696 [2021-11-12 23:05:00,815 INFO L131 LiptonReduction]: Checked pairs total: 28889 [2021-11-12 23:05:00,816 INFO L133 LiptonReduction]: Total number of compositions: 86 [2021-11-12 23:05:00,817 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 53 transitions, 166 flow