./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b68e155d55184c39a54e11a2c420443b840324481c8995060134516395f2d120 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:02:26,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:02:26,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:02:26,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:02:26,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:02:26,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:02:26,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:02:26,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:02:26,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:02:26,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:02:26,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:02:26,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:02:26,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:02:26,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:02:26,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:02:26,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:02:26,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:02:26,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:02:26,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:02:26,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:02:26,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:02:26,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:02:26,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:02:26,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:02:26,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:02:26,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:02:26,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:02:26,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:02:26,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:02:26,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:02:26,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:02:26,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:02:26,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:02:26,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:02:26,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:02:26,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:02:26,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:02:26,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:02:26,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:02:26,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:02:26,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:02:26,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 19:02:26,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:02:26,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:02:26,114 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:02:26,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:02:26,115 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:02:26,115 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:02:26,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:02:26,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:02:26,116 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:02:26,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:02:26,116 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:02:26,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:02:26,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:02:26,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:02:26,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:02:26,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:02:26,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:02:26,118 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:02:26,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:02:26,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:02:26,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:02:26,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:02:26,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:02:26,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:02:26,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:02:26,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:02:26,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:02:26,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:02:26,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:02:26,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:02:26,119 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:02:26,119 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:02:26,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:02:26,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:02:26,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b68e155d55184c39a54e11a2c420443b840324481c8995060134516395f2d120 [2021-12-06 19:02:26,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:02:26,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:02:26,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:02:26,343 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:02:26,344 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:02:26,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2021-12-06 19:02:26,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/data/632cbf566/7bc1a402f77a4a7ab1f7e80096a16070/FLAG1fd40e220 [2021-12-06 19:02:26,744 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:02:26,745 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2021-12-06 19:02:26,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/data/632cbf566/7bc1a402f77a4a7ab1f7e80096a16070/FLAG1fd40e220 [2021-12-06 19:02:26,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/data/632cbf566/7bc1a402f77a4a7ab1f7e80096a16070 [2021-12-06 19:02:26,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:02:26,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:02:26,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:02:26,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:02:26,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:02:26,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:02:26" (1/1) ... [2021-12-06 19:02:26,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:26, skipping insertion in model container [2021-12-06 19:02:26,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:02:26" (1/1) ... [2021-12-06 19:02:26,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:02:26,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:02:26,941 WARN L230 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_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c[3097,3110] [2021-12-06 19:02:26,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:02:26,959 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:02:26,986 WARN L230 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_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c[3097,3110] [2021-12-06 19:02:26,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:02:27,005 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:02:27,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:27 WrapperNode [2021-12-06 19:02:27,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:02:27,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:02:27,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:02:27,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:02:27,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:27" (1/1) ... [2021-12-06 19:02:27,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:27" (1/1) ... [2021-12-06 19:02:27,052 INFO L137 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 17, calls inlined = 25, statements flattened = 287 [2021-12-06 19:02:27,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:02:27,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:02:27,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:02:27,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:02:27,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:27" (1/1) ... [2021-12-06 19:02:27,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:27" (1/1) ... [2021-12-06 19:02:27,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:27" (1/1) ... [2021-12-06 19:02:27,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:27" (1/1) ... [2021-12-06 19:02:27,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:27" (1/1) ... [2021-12-06 19:02:27,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:27" (1/1) ... [2021-12-06 19:02:27,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:27" (1/1) ... [2021-12-06 19:02:27,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:02:27,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:02:27,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:02:27,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:02:27,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:27" (1/1) ... [2021-12-06 19:02:27,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:02:27,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:02:27,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:02:27,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:02:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:02:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:02:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:02:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:02:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-06 19:02:27,154 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-06 19:02:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-06 19:02:27,154 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-06 19:02:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-06 19:02:27,154 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-06 19:02:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:02:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 19:02:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:02:27,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:02:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:02:27,156 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 19:02:27,228 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:02:27,230 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:02:27,571 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:02:27,585 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:02:27,585 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-06 19:02:27,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:02:27 BoogieIcfgContainer [2021-12-06 19:02:27,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:02:27,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:02:27,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:02:27,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:02:27,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:02:26" (1/3) ... [2021-12-06 19:02:27,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94b7a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:02:27, skipping insertion in model container [2021-12-06 19:02:27,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:02:27" (2/3) ... [2021-12-06 19:02:27,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94b7a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:02:27, skipping insertion in model container [2021-12-06 19:02:27,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:02:27" (3/3) ... [2021-12-06 19:02:27,597 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-chromosome-subst.wvr.c [2021-12-06 19:02:27,602 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 19:02:27,602 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:02:27,602 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:02:27,602 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 19:02:27,648 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,650 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,650 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,650 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,650 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,650 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,650 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,650 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,651 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,651 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,651 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,651 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,651 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,651 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,651 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,651 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,652 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,652 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,652 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,652 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,652 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,652 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,652 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,653 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,653 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,653 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,653 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,653 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,653 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,653 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,653 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,653 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,654 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,654 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,654 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,654 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,654 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,654 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,654 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,654 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,655 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,655 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,655 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,655 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,655 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,655 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,655 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,655 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,655 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,657 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,657 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,657 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,657 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,657 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,657 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,657 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,657 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,659 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,659 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,659 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,659 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,659 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,659 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,659 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,660 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,660 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,660 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,660 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,660 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,660 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,660 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,660 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,660 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,661 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,661 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,661 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,661 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,661 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,661 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,661 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,661 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,661 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,662 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,662 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,662 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,662 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,662 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,662 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,662 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,662 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,665 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,665 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,665 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,669 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,682 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,682 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,682 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,682 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,682 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,682 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,682 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,682 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,682 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,683 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,683 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,683 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,683 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,683 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,683 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,683 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,683 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,683 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,684 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,684 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,684 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,684 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,684 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,684 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,684 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,684 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,684 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,685 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,685 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,685 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,685 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,685 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,686 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,686 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,686 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,686 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,686 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,686 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,686 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,686 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,686 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,698 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,698 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,698 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,698 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,698 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,698 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,698 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,698 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,698 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,698 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,699 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,699 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~stop~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,699 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,699 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,699 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,699 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,703 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,703 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,703 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,703 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:02:27,706 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-06 19:02:27,741 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:02:27,746 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=PETRI_NET, 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 [2021-12-06 19:02:27,746 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-06 19:02:27,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 357 places, 379 transitions, 782 flow [2021-12-06 19:02:27,855 INFO L129 PetriNetUnfolder]: 32/376 cut-off events. [2021-12-06 19:02:27,855 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-06 19:02:27,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 389 conditions, 376 events. 32/376 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 626 event pairs, 0 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 282. Up to 2 conditions per place. [2021-12-06 19:02:27,862 INFO L82 GeneralOperation]: Start removeDead. Operand has 357 places, 379 transitions, 782 flow [2021-12-06 19:02:27,869 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 343 places, 365 transitions, 748 flow [2021-12-06 19:02:27,918 INFO L129 PetriNetUnfolder]: 32/364 cut-off events. [2021-12-06 19:02:27,919 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-06 19:02:27,919 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:02:27,919 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:02:27,920 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:02:27,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:27,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1599179417, now seen corresponding path program 1 times [2021-12-06 19:02:27,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:27,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060297186] [2021-12-06 19:02:27,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:27,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:02:28,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:28,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060297186] [2021-12-06 19:02:28,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060297186] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:02:28,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:02:28,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:02:28,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042933148] [2021-12-06 19:02:28,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:02:28,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 19:02:28,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:28,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 19:02:28,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:02:28,215 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 379 [2021-12-06 19:02:28,219 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 365 transitions, 748 flow. Second operand has 2 states, 2 states have (on average 352.5) internal successors, (705), 2 states have internal predecessors, (705), 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) [2021-12-06 19:02:28,219 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:02:28,219 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 379 [2021-12-06 19:02:28,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:02:28,314 INFO L129 PetriNetUnfolder]: 9/342 cut-off events. [2021-12-06 19:02:28,314 INFO L130 PetriNetUnfolder]: For 12/14 co-relation queries the response was YES. [2021-12-06 19:02:28,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 342 events. 9/342 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 616 event pairs, 0 based on Foata normal form. 36/352 useless extension candidates. Maximal degree in co-relation 267. Up to 7 conditions per place. [2021-12-06 19:02:28,318 INFO L132 encePairwiseOnDemand]: 356/379 looper letters, 6 selfloop transitions, 0 changer transitions 8/342 dead transitions. [2021-12-06 19:02:28,319 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 342 transitions, 714 flow [2021-12-06 19:02:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 19:02:28,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-06 19:02:28,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 727 transitions. [2021-12-06 19:02:28,331 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9591029023746702 [2021-12-06 19:02:28,332 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 727 transitions. [2021-12-06 19:02:28,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 727 transitions. [2021-12-06 19:02:28,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:02:28,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 727 transitions. [2021-12-06 19:02:28,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 363.5) internal successors, (727), 2 states have internal predecessors, (727), 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) [2021-12-06 19:02:28,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 379.0) internal successors, (1137), 3 states have internal predecessors, (1137), 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) [2021-12-06 19:02:28,351 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 379.0) internal successors, (1137), 3 states have internal predecessors, (1137), 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) [2021-12-06 19:02:28,353 INFO L186 Difference]: Start difference. First operand has 343 places, 365 transitions, 748 flow. Second operand 2 states and 727 transitions. [2021-12-06 19:02:28,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 342 transitions, 714 flow [2021-12-06 19:02:28,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 342 transitions, 702 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-12-06 19:02:28,369 INFO L242 Difference]: Finished difference. Result has 338 places, 334 transitions, 674 flow [2021-12-06 19:02:28,371 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=674, PETRI_PLACES=338, PETRI_TRANSITIONS=334} [2021-12-06 19:02:28,375 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, -5 predicate places. [2021-12-06 19:02:28,376 INFO L470 AbstractCegarLoop]: Abstraction has has 338 places, 334 transitions, 674 flow [2021-12-06 19:02:28,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 352.5) internal successors, (705), 2 states have internal predecessors, (705), 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) [2021-12-06 19:02:28,376 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:02:28,377 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:02:28,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:02:28,377 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:02:28,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:28,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1790283870, now seen corresponding path program 1 times [2021-12-06 19:02:28,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:28,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931932668] [2021-12-06 19:02:28,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:28,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:28,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:02:28,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:28,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931932668] [2021-12-06 19:02:28,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931932668] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:02:28,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:02:28,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:02:28,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178952783] [2021-12-06 19:02:28,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:02:28,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:02:28,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:28,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:02:28,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:02:28,510 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 379 [2021-12-06 19:02:28,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 334 transitions, 674 flow. Second operand has 4 states, 4 states have (on average 340.5) internal successors, (1362), 4 states have internal predecessors, (1362), 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) [2021-12-06 19:02:28,513 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:02:28,513 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 379 [2021-12-06 19:02:28,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:02:28,767 INFO L129 PetriNetUnfolder]: 62/1101 cut-off events. [2021-12-06 19:02:28,767 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-12-06 19:02:28,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1248 conditions, 1101 events. 62/1101 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5825 event pairs, 18 based on Foata normal form. 0/1020 useless extension candidates. Maximal degree in co-relation 1245. Up to 55 conditions per place. [2021-12-06 19:02:28,780 INFO L132 encePairwiseOnDemand]: 374/379 looper letters, 33 selfloop transitions, 4 changer transitions 0/354 dead transitions. [2021-12-06 19:02:28,780 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 354 transitions, 800 flow [2021-12-06 19:02:28,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:02:28,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-06 19:02:28,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1728 transitions. [2021-12-06 19:02:28,785 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9118733509234829 [2021-12-06 19:02:28,785 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1728 transitions. [2021-12-06 19:02:28,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1728 transitions. [2021-12-06 19:02:28,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:02:28,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1728 transitions. [2021-12-06 19:02:28,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 345.6) internal successors, (1728), 5 states have internal predecessors, (1728), 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) [2021-12-06 19:02:28,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 379.0) internal successors, (2274), 6 states have internal predecessors, (2274), 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) [2021-12-06 19:02:28,808 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 379.0) internal successors, (2274), 6 states have internal predecessors, (2274), 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) [2021-12-06 19:02:28,808 INFO L186 Difference]: Start difference. First operand has 338 places, 334 transitions, 674 flow. Second operand 5 states and 1728 transitions. [2021-12-06 19:02:28,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 354 transitions, 800 flow [2021-12-06 19:02:28,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 354 transitions, 800 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 19:02:28,818 INFO L242 Difference]: Finished difference. Result has 337 places, 337 transitions, 703 flow [2021-12-06 19:02:28,819 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=703, PETRI_PLACES=337, PETRI_TRANSITIONS=337} [2021-12-06 19:02:28,820 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, -6 predicate places. [2021-12-06 19:02:28,820 INFO L470 AbstractCegarLoop]: Abstraction has has 337 places, 337 transitions, 703 flow [2021-12-06 19:02:28,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 340.5) internal successors, (1362), 4 states have internal predecessors, (1362), 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) [2021-12-06 19:02:28,821 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:02:28,821 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:02:28,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 19:02:28,822 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:02:28,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:28,823 INFO L85 PathProgramCache]: Analyzing trace with hash -500705688, now seen corresponding path program 1 times [2021-12-06 19:02:28,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:28,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733640164] [2021-12-06 19:02:28,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:28,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:28,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:02:28,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:28,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733640164] [2021-12-06 19:02:28,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733640164] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:02:28,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:02:28,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:02:28,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989002641] [2021-12-06 19:02:28,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:02:28,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:02:28,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:28,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:02:28,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:02:28,953 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 379 [2021-12-06 19:02:28,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 337 transitions, 703 flow. Second operand has 5 states, 5 states have (on average 319.0) internal successors, (1595), 5 states have internal predecessors, (1595), 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) [2021-12-06 19:02:28,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:02:28,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 379 [2021-12-06 19:02:28,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:02:29,092 INFO L129 PetriNetUnfolder]: 8/439 cut-off events. [2021-12-06 19:02:29,092 INFO L130 PetriNetUnfolder]: For 11/17 co-relation queries the response was YES. [2021-12-06 19:02:29,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 439 events. 8/439 cut-off events. For 11/17 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 928 event pairs, 0 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 514. Up to 44 conditions per place. [2021-12-06 19:02:29,096 INFO L132 encePairwiseOnDemand]: 364/379 looper letters, 42 selfloop transitions, 12 changer transitions 0/349 dead transitions. [2021-12-06 19:02:29,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 349 transitions, 835 flow [2021-12-06 19:02:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:02:29,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-06 19:02:29,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1622 transitions. [2021-12-06 19:02:29,101 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8559366754617415 [2021-12-06 19:02:29,101 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1622 transitions. [2021-12-06 19:02:29,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1622 transitions. [2021-12-06 19:02:29,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:02:29,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1622 transitions. [2021-12-06 19:02:29,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 324.4) internal successors, (1622), 5 states have internal predecessors, (1622), 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) [2021-12-06 19:02:29,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 379.0) internal successors, (2274), 6 states have internal predecessors, (2274), 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) [2021-12-06 19:02:29,112 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 379.0) internal successors, (2274), 6 states have internal predecessors, (2274), 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) [2021-12-06 19:02:29,112 INFO L186 Difference]: Start difference. First operand has 337 places, 337 transitions, 703 flow. Second operand 5 states and 1622 transitions. [2021-12-06 19:02:29,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 349 transitions, 835 flow [2021-12-06 19:02:29,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 349 transitions, 835 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 19:02:29,119 INFO L242 Difference]: Finished difference. Result has 342 places, 340 transitions, 751 flow [2021-12-06 19:02:29,120 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=703, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=751, PETRI_PLACES=342, PETRI_TRANSITIONS=340} [2021-12-06 19:02:29,120 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, -1 predicate places. [2021-12-06 19:02:29,120 INFO L470 AbstractCegarLoop]: Abstraction has has 342 places, 340 transitions, 751 flow [2021-12-06 19:02:29,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 319.0) internal successors, (1595), 5 states have internal predecessors, (1595), 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) [2021-12-06 19:02:29,122 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:02:29,122 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:02:29,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 19:02:29,122 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:02:29,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:29,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1549492454, now seen corresponding path program 1 times [2021-12-06 19:02:29,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:29,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514160082] [2021-12-06 19:02:29,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:29,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:29,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 19:02:29,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:29,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514160082] [2021-12-06 19:02:29,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514160082] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:02:29,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16564103] [2021-12-06 19:02:29,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:29,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:02:29,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:02:29,225 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:02:29,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 19:02:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:29,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:02:29,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:02:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 19:02:29,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:02:29,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 19:02:29,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16564103] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:02:29,864 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:02:29,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2021-12-06 19:02:29,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586491141] [2021-12-06 19:02:29,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:02:29,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 19:02:29,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:29,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 19:02:29,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-12-06 19:02:29,870 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 379 [2021-12-06 19:02:29,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 340 transitions, 751 flow. Second operand has 15 states, 15 states have (on average 314.3333333333333) internal successors, (4715), 15 states have internal predecessors, (4715), 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) [2021-12-06 19:02:29,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:02:29,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 379 [2021-12-06 19:02:29,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:02:30,120 INFO L129 PetriNetUnfolder]: 8/466 cut-off events. [2021-12-06 19:02:30,120 INFO L130 PetriNetUnfolder]: For 23/29 co-relation queries the response was YES. [2021-12-06 19:02:30,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 597 conditions, 466 events. 8/466 cut-off events. For 23/29 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 901 event pairs, 0 based on Foata normal form. 6/457 useless extension candidates. Maximal degree in co-relation 589. Up to 35 conditions per place. [2021-12-06 19:02:30,124 INFO L132 encePairwiseOnDemand]: 355/379 looper letters, 45 selfloop transitions, 33 changer transitions 0/370 dead transitions. [2021-12-06 19:02:30,124 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 370 transitions, 973 flow [2021-12-06 19:02:30,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 19:02:30,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-06 19:02:30,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3494 transitions. [2021-12-06 19:02:30,132 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8380906692252339 [2021-12-06 19:02:30,132 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3494 transitions. [2021-12-06 19:02:30,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3494 transitions. [2021-12-06 19:02:30,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:02:30,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3494 transitions. [2021-12-06 19:02:30,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 317.6363636363636) internal successors, (3494), 11 states have internal predecessors, (3494), 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) [2021-12-06 19:02:30,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 379.0) internal successors, (4548), 12 states have internal predecessors, (4548), 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) [2021-12-06 19:02:30,152 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 379.0) internal successors, (4548), 12 states have internal predecessors, (4548), 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) [2021-12-06 19:02:30,152 INFO L186 Difference]: Start difference. First operand has 342 places, 340 transitions, 751 flow. Second operand 11 states and 3494 transitions. [2021-12-06 19:02:30,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 370 transitions, 973 flow [2021-12-06 19:02:30,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 370 transitions, 955 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-12-06 19:02:30,160 INFO L242 Difference]: Finished difference. Result has 352 places, 358 transitions, 900 flow [2021-12-06 19:02:30,160 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=733, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=900, PETRI_PLACES=352, PETRI_TRANSITIONS=358} [2021-12-06 19:02:30,161 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 9 predicate places. [2021-12-06 19:02:30,161 INFO L470 AbstractCegarLoop]: Abstraction has has 352 places, 358 transitions, 900 flow [2021-12-06 19:02:30,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 314.3333333333333) internal successors, (4715), 15 states have internal predecessors, (4715), 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) [2021-12-06 19:02:30,163 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:02:30,164 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:02:30,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:02:30,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:02:30,365 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:02:30,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:30,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1576685502, now seen corresponding path program 2 times [2021-12-06 19:02:30,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:30,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193253031] [2021-12-06 19:02:30,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:30,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:30,585 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-06 19:02:30,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:30,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193253031] [2021-12-06 19:02:30,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193253031] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:02:30,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298103983] [2021-12-06 19:02:30,586 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 19:02:30,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:02:30,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:02:30,587 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:02:30,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 19:02:30,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 19:02:30,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:02:30,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:02:30,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:02:30,890 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-12-06 19:02:30,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:02:30,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298103983] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:02:30,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:02:30,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2021-12-06 19:02:30,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567165428] [2021-12-06 19:02:30,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:02:30,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:02:30,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:30,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:02:30,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-12-06 19:02:30,895 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 379 [2021-12-06 19:02:30,897 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 358 transitions, 900 flow. Second operand has 6 states, 6 states have (on average 308.1666666666667) internal successors, (1849), 6 states have internal predecessors, (1849), 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) [2021-12-06 19:02:30,897 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:02:30,897 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 379 [2021-12-06 19:02:30,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:02:31,205 INFO L129 PetriNetUnfolder]: 60/1281 cut-off events. [2021-12-06 19:02:31,205 INFO L130 PetriNetUnfolder]: For 29/41 co-relation queries the response was YES. [2021-12-06 19:02:31,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1554 conditions, 1281 events. 60/1281 cut-off events. For 29/41 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 6536 event pairs, 20 based on Foata normal form. 1/1196 useless extension candidates. Maximal degree in co-relation 1543. Up to 101 conditions per place. [2021-12-06 19:02:31,219 INFO L132 encePairwiseOnDemand]: 372/379 looper letters, 52 selfloop transitions, 4 changer transitions 4/372 dead transitions. [2021-12-06 19:02:31,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 372 transitions, 1055 flow [2021-12-06 19:02:31,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:02:31,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 19:02:31,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1867 transitions. [2021-12-06 19:02:31,223 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8210202286719437 [2021-12-06 19:02:31,223 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1867 transitions. [2021-12-06 19:02:31,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1867 transitions. [2021-12-06 19:02:31,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:02:31,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1867 transitions. [2021-12-06 19:02:31,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 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) [2021-12-06 19:02:31,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 379.0) internal successors, (2653), 7 states have internal predecessors, (2653), 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) [2021-12-06 19:02:31,232 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 379.0) internal successors, (2653), 7 states have internal predecessors, (2653), 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) [2021-12-06 19:02:31,232 INFO L186 Difference]: Start difference. First operand has 352 places, 358 transitions, 900 flow. Second operand 6 states and 1867 transitions. [2021-12-06 19:02:31,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 372 transitions, 1055 flow [2021-12-06 19:02:31,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 372 transitions, 1030 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-12-06 19:02:31,241 INFO L242 Difference]: Finished difference. Result has 358 places, 361 transitions, 907 flow [2021-12-06 19:02:31,242 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=875, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=907, PETRI_PLACES=358, PETRI_TRANSITIONS=361} [2021-12-06 19:02:31,242 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 15 predicate places. [2021-12-06 19:02:31,242 INFO L470 AbstractCegarLoop]: Abstraction has has 358 places, 361 transitions, 907 flow [2021-12-06 19:02:31,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 308.1666666666667) internal successors, (1849), 6 states have internal predecessors, (1849), 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) [2021-12-06 19:02:31,243 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:02:31,244 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:02:31,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 19:02:31,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:02:31,445 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:02:31,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:31,445 INFO L85 PathProgramCache]: Analyzing trace with hash 409894767, now seen corresponding path program 1 times [2021-12-06 19:02:31,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:31,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857119764] [2021-12-06 19:02:31,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:31,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:31,515 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-12-06 19:02:31,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:31,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857119764] [2021-12-06 19:02:31,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857119764] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:02:31,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068621513] [2021-12-06 19:02:31,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:31,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:02:31,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:02:31,517 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:02:31,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 19:02:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:31,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 19:02:31,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:02:31,931 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-06 19:02:31,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:02:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-06 19:02:32,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068621513] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:02:32,220 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:02:32,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 11] total 24 [2021-12-06 19:02:32,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288772680] [2021-12-06 19:02:32,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:02:32,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-06 19:02:32,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:32,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-06 19:02:32,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552 [2021-12-06 19:02:32,230 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 379 [2021-12-06 19:02:32,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 361 transitions, 907 flow. Second operand has 24 states, 24 states have (on average 303.8333333333333) internal successors, (7292), 24 states have internal predecessors, (7292), 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) [2021-12-06 19:02:32,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:02:32,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 379 [2021-12-06 19:02:32,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:02:32,830 INFO L129 PetriNetUnfolder]: 74/1113 cut-off events. [2021-12-06 19:02:32,830 INFO L130 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2021-12-06 19:02:32,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1651 conditions, 1113 events. 74/1113 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4705 event pairs, 20 based on Foata normal form. 9/1064 useless extension candidates. Maximal degree in co-relation 1636. Up to 82 conditions per place. [2021-12-06 19:02:32,841 INFO L132 encePairwiseOnDemand]: 348/379 looper letters, 100 selfloop transitions, 59 changer transitions 1/440 dead transitions. [2021-12-06 19:02:32,842 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 440 transitions, 1499 flow [2021-12-06 19:02:32,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-06 19:02:32,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-12-06 19:02:32,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 7319 transitions. [2021-12-06 19:02:32,855 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8046394019349165 [2021-12-06 19:02:32,855 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 7319 transitions. [2021-12-06 19:02:32,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 7319 transitions. [2021-12-06 19:02:32,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:02:32,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 7319 transitions. [2021-12-06 19:02:32,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 304.9583333333333) internal successors, (7319), 24 states have internal predecessors, (7319), 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) [2021-12-06 19:02:32,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 379.0) internal successors, (9475), 25 states have internal predecessors, (9475), 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) [2021-12-06 19:02:32,886 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 379.0) internal successors, (9475), 25 states have internal predecessors, (9475), 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) [2021-12-06 19:02:32,887 INFO L186 Difference]: Start difference. First operand has 358 places, 361 transitions, 907 flow. Second operand 24 states and 7319 transitions. [2021-12-06 19:02:32,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 440 transitions, 1499 flow [2021-12-06 19:02:32,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 440 transitions, 1493 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-12-06 19:02:32,896 INFO L242 Difference]: Finished difference. Result has 383 places, 387 transitions, 1221 flow [2021-12-06 19:02:32,896 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=1221, PETRI_PLACES=383, PETRI_TRANSITIONS=387} [2021-12-06 19:02:32,897 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 40 predicate places. [2021-12-06 19:02:32,897 INFO L470 AbstractCegarLoop]: Abstraction has has 383 places, 387 transitions, 1221 flow [2021-12-06 19:02:32,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 303.8333333333333) internal successors, (7292), 24 states have internal predecessors, (7292), 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) [2021-12-06 19:02:32,899 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:02:32,899 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:02:32,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 19:02:33,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-06 19:02:33,102 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:02:33,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:33,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1466475319, now seen corresponding path program 1 times [2021-12-06 19:02:33,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:33,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897529562] [2021-12-06 19:02:33,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:33,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:33,389 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-12-06 19:02:33,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:33,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897529562] [2021-12-06 19:02:33,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897529562] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:02:33,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:02:33,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 19:02:33,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259421212] [2021-12-06 19:02:33,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:02:33,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 19:02:33,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:33,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:02:33,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:02:33,394 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 379 [2021-12-06 19:02:33,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 387 transitions, 1221 flow. Second operand has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 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) [2021-12-06 19:02:33,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:02:33,396 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 379 [2021-12-06 19:02:33,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:02:33,814 INFO L129 PetriNetUnfolder]: 74/985 cut-off events. [2021-12-06 19:02:33,815 INFO L130 PetriNetUnfolder]: For 172/172 co-relation queries the response was YES. [2021-12-06 19:02:33,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1618 conditions, 985 events. 74/985 cut-off events. For 172/172 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3979 event pairs, 12 based on Foata normal form. 2/945 useless extension candidates. Maximal degree in co-relation 1598. Up to 70 conditions per place. [2021-12-06 19:02:33,831 INFO L132 encePairwiseOnDemand]: 369/379 looper letters, 65 selfloop transitions, 11 changer transitions 5/410 dead transitions. [2021-12-06 19:02:33,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 410 transitions, 1449 flow [2021-12-06 19:02:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:02:33,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 19:02:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2744 transitions. [2021-12-06 19:02:33,836 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8044561712107886 [2021-12-06 19:02:33,836 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2744 transitions. [2021-12-06 19:02:33,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2744 transitions. [2021-12-06 19:02:33,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:02:33,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2744 transitions. [2021-12-06 19:02:33,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 304.8888888888889) internal successors, (2744), 9 states have internal predecessors, (2744), 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) [2021-12-06 19:02:33,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 379.0) internal successors, (3790), 10 states have internal predecessors, (3790), 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) [2021-12-06 19:02:33,847 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 379.0) internal successors, (3790), 10 states have internal predecessors, (3790), 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) [2021-12-06 19:02:33,847 INFO L186 Difference]: Start difference. First operand has 383 places, 387 transitions, 1221 flow. Second operand 9 states and 2744 transitions. [2021-12-06 19:02:33,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 410 transitions, 1449 flow [2021-12-06 19:02:33,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 410 transitions, 1375 flow, removed 14 selfloop flow, removed 9 redundant places. [2021-12-06 19:02:33,857 INFO L242 Difference]: Finished difference. Result has 387 places, 389 transitions, 1196 flow [2021-12-06 19:02:33,857 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=1147, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1196, PETRI_PLACES=387, PETRI_TRANSITIONS=389} [2021-12-06 19:02:33,858 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 44 predicate places. [2021-12-06 19:02:33,858 INFO L470 AbstractCegarLoop]: Abstraction has has 387 places, 389 transitions, 1196 flow [2021-12-06 19:02:33,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 303.0) internal successors, (2121), 7 states have internal predecessors, (2121), 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) [2021-12-06 19:02:33,858 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:02:33,859 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:02:33,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 19:02:33,859 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:02:33,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:33,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1306608546, now seen corresponding path program 2 times [2021-12-06 19:02:33,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:33,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951855595] [2021-12-06 19:02:33,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:33,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-12-06 19:02:33,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:33,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951855595] [2021-12-06 19:02:33,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951855595] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:02:33,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350336302] [2021-12-06 19:02:33,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 19:02:33,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:02:33,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:02:33,972 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:02:33,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 19:02:34,060 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 19:02:34,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:02:34,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 19:02:34,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:02:34,426 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2021-12-06 19:02:34,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:02:34,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350336302] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:02:34,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:02:34,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2021-12-06 19:02:34,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938537271] [2021-12-06 19:02:34,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:02:34,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 19:02:34,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:34,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 19:02:34,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-12-06 19:02:34,429 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 379 [2021-12-06 19:02:34,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 389 transitions, 1196 flow. Second operand has 8 states, 8 states have (on average 299.0) internal successors, (2392), 8 states have internal predecessors, (2392), 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) [2021-12-06 19:02:34,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:02:34,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 379 [2021-12-06 19:02:34,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:02:35,763 INFO L129 PetriNetUnfolder]: 1172/5590 cut-off events. [2021-12-06 19:02:35,764 INFO L130 PetriNetUnfolder]: For 619/1629 co-relation queries the response was YES. [2021-12-06 19:02:35,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7680 conditions, 5590 events. 1172/5590 cut-off events. For 619/1629 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 52061 event pairs, 350 based on Foata normal form. 1/4854 useless extension candidates. Maximal degree in co-relation 7655. Up to 827 conditions per place. [2021-12-06 19:02:35,825 INFO L132 encePairwiseOnDemand]: 366/379 looper letters, 92 selfloop transitions, 23 changer transitions 10/460 dead transitions. [2021-12-06 19:02:35,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 460 transitions, 1616 flow [2021-12-06 19:02:35,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 19:02:35,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-06 19:02:35,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3056 transitions. [2021-12-06 19:02:35,831 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8063324538258575 [2021-12-06 19:02:35,831 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 3056 transitions. [2021-12-06 19:02:35,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 3056 transitions. [2021-12-06 19:02:35,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:02:35,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 3056 transitions. [2021-12-06 19:02:35,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 305.6) internal successors, (3056), 10 states have internal predecessors, (3056), 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) [2021-12-06 19:02:35,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 379.0) internal successors, (4169), 11 states have internal predecessors, (4169), 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) [2021-12-06 19:02:35,851 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 379.0) internal successors, (4169), 11 states have internal predecessors, (4169), 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) [2021-12-06 19:02:35,852 INFO L186 Difference]: Start difference. First operand has 387 places, 389 transitions, 1196 flow. Second operand 10 states and 3056 transitions. [2021-12-06 19:02:35,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 460 transitions, 1616 flow [2021-12-06 19:02:35,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 460 transitions, 1587 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-12-06 19:02:35,869 INFO L242 Difference]: Finished difference. Result has 396 places, 411 transitions, 1335 flow [2021-12-06 19:02:35,869 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=1175, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1335, PETRI_PLACES=396, PETRI_TRANSITIONS=411} [2021-12-06 19:02:35,870 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 53 predicate places. [2021-12-06 19:02:35,870 INFO L470 AbstractCegarLoop]: Abstraction has has 396 places, 411 transitions, 1335 flow [2021-12-06 19:02:35,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 299.0) internal successors, (2392), 8 states have internal predecessors, (2392), 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) [2021-12-06 19:02:35,871 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:02:35,871 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:02:35,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 19:02:36,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-12-06 19:02:36,072 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:02:36,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:36,073 INFO L85 PathProgramCache]: Analyzing trace with hash 238582126, now seen corresponding path program 3 times [2021-12-06 19:02:36,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:36,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170442992] [2021-12-06 19:02:36,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:36,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:36,163 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-12-06 19:02:36,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:36,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170442992] [2021-12-06 19:02:36,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170442992] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:02:36,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239714416] [2021-12-06 19:02:36,164 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 19:02:36,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:02:36,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:02:36,164 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:02:36,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 19:02:36,253 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-12-06 19:02:36,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:02:36,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 19:02:36,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:02:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2021-12-06 19:02:36,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:02:36,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239714416] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:02:36,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:02:36,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2021-12-06 19:02:36,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286157411] [2021-12-06 19:02:36,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:02:36,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 19:02:36,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:36,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 19:02:36,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-12-06 19:02:36,605 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 379 [2021-12-06 19:02:36,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 411 transitions, 1335 flow. Second operand has 8 states, 8 states have (on average 299.0) internal successors, (2392), 8 states have internal predecessors, (2392), 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) [2021-12-06 19:02:36,606 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:02:36,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 379 [2021-12-06 19:02:36,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:02:38,324 INFO L129 PetriNetUnfolder]: 1730/7300 cut-off events. [2021-12-06 19:02:38,324 INFO L130 PetriNetUnfolder]: For 3308/4852 co-relation queries the response was YES. [2021-12-06 19:02:38,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12961 conditions, 7300 events. 1730/7300 cut-off events. For 3308/4852 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 72828 event pairs, 523 based on Foata normal form. 31/6334 useless extension candidates. Maximal degree in co-relation 12931. Up to 1307 conditions per place. [2021-12-06 19:02:38,409 INFO L132 encePairwiseOnDemand]: 366/379 looper letters, 105 selfloop transitions, 33 changer transitions 10/483 dead transitions. [2021-12-06 19:02:38,409 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 483 transitions, 1932 flow [2021-12-06 19:02:38,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 19:02:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-06 19:02:38,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3057 transitions. [2021-12-06 19:02:38,414 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8065963060686016 [2021-12-06 19:02:38,414 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 3057 transitions. [2021-12-06 19:02:38,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 3057 transitions. [2021-12-06 19:02:38,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:02:38,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 3057 transitions. [2021-12-06 19:02:38,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 305.7) internal successors, (3057), 10 states have internal predecessors, (3057), 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) [2021-12-06 19:02:38,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 379.0) internal successors, (4169), 11 states have internal predecessors, (4169), 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) [2021-12-06 19:02:38,425 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 379.0) internal successors, (4169), 11 states have internal predecessors, (4169), 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) [2021-12-06 19:02:38,425 INFO L186 Difference]: Start difference. First operand has 396 places, 411 transitions, 1335 flow. Second operand 10 states and 3057 transitions. [2021-12-06 19:02:38,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 483 transitions, 1932 flow [2021-12-06 19:02:38,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 483 transitions, 1922 flow, removed 5 selfloop flow, removed 2 redundant places. [2021-12-06 19:02:38,455 INFO L242 Difference]: Finished difference. Result has 406 places, 433 transitions, 1580 flow [2021-12-06 19:02:38,456 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=1331, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1580, PETRI_PLACES=406, PETRI_TRANSITIONS=433} [2021-12-06 19:02:38,457 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 63 predicate places. [2021-12-06 19:02:38,457 INFO L470 AbstractCegarLoop]: Abstraction has has 406 places, 433 transitions, 1580 flow [2021-12-06 19:02:38,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 299.0) internal successors, (2392), 8 states have internal predecessors, (2392), 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) [2021-12-06 19:02:38,457 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:02:38,457 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:02:38,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-06 19:02:38,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:02:38,658 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:02:38,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:38,659 INFO L85 PathProgramCache]: Analyzing trace with hash -263913682, now seen corresponding path program 1 times [2021-12-06 19:02:38,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:38,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479244077] [2021-12-06 19:02:38,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:38,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:38,723 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2021-12-06 19:02:38,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:38,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479244077] [2021-12-06 19:02:38,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479244077] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:02:38,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:02:38,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:02:38,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773461580] [2021-12-06 19:02:38,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:02:38,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:02:38,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:38,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:02:38,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:02:38,726 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 379 [2021-12-06 19:02:38,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 433 transitions, 1580 flow. Second operand has 4 states, 4 states have (on average 340.5) internal successors, (1362), 4 states have internal predecessors, (1362), 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) [2021-12-06 19:02:38,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:02:38,727 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 379 [2021-12-06 19:02:38,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:02:40,193 INFO L129 PetriNetUnfolder]: 919/6439 cut-off events. [2021-12-06 19:02:40,193 INFO L130 PetriNetUnfolder]: For 3169/3267 co-relation queries the response was YES. [2021-12-06 19:02:40,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10989 conditions, 6439 events. 919/6439 cut-off events. For 3169/3267 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 63082 event pairs, 323 based on Foata normal form. 10/5655 useless extension candidates. Maximal degree in co-relation 10955. Up to 594 conditions per place. [2021-12-06 19:02:40,265 INFO L132 encePairwiseOnDemand]: 374/379 looper letters, 29 selfloop transitions, 4 changer transitions 0/444 dead transitions. [2021-12-06 19:02:40,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 444 transitions, 1653 flow [2021-12-06 19:02:40,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:02:40,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-06 19:02:40,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1724 transitions. [2021-12-06 19:02:40,269 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9097625329815303 [2021-12-06 19:02:40,269 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1724 transitions. [2021-12-06 19:02:40,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1724 transitions. [2021-12-06 19:02:40,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:02:40,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1724 transitions. [2021-12-06 19:02:40,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 344.8) internal successors, (1724), 5 states have internal predecessors, (1724), 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) [2021-12-06 19:02:40,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 379.0) internal successors, (2274), 6 states have internal predecessors, (2274), 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) [2021-12-06 19:02:40,275 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 379.0) internal successors, (2274), 6 states have internal predecessors, (2274), 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) [2021-12-06 19:02:40,275 INFO L186 Difference]: Start difference. First operand has 406 places, 433 transitions, 1580 flow. Second operand 5 states and 1724 transitions. [2021-12-06 19:02:40,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 444 transitions, 1653 flow [2021-12-06 19:02:40,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 444 transitions, 1606 flow, removed 16 selfloop flow, removed 3 redundant places. [2021-12-06 19:02:40,295 INFO L242 Difference]: Finished difference. Result has 408 places, 431 transitions, 1529 flow [2021-12-06 19:02:40,296 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=1500, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1529, PETRI_PLACES=408, PETRI_TRANSITIONS=431} [2021-12-06 19:02:40,296 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 65 predicate places. [2021-12-06 19:02:40,297 INFO L470 AbstractCegarLoop]: Abstraction has has 408 places, 431 transitions, 1529 flow [2021-12-06 19:02:40,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 340.5) internal successors, (1362), 4 states have internal predecessors, (1362), 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) [2021-12-06 19:02:40,297 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:02:40,297 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:02:40,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 19:02:40,297 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:02:40,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:40,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1485579850, now seen corresponding path program 1 times [2021-12-06 19:02:40,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:40,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466429271] [2021-12-06 19:02:40,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:40,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:40,352 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2021-12-06 19:02:40,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:40,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466429271] [2021-12-06 19:02:40,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466429271] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:02:40,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:02:40,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:02:40,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313235166] [2021-12-06 19:02:40,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:02:40,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:02:40,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:40,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:02:40,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:02:40,356 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 379 [2021-12-06 19:02:40,357 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 431 transitions, 1529 flow. Second operand has 4 states, 4 states have (on average 340.5) internal successors, (1362), 4 states have internal predecessors, (1362), 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) [2021-12-06 19:02:40,357 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:02:40,357 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 379 [2021-12-06 19:02:40,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:02:41,997 INFO L129 PetriNetUnfolder]: 887/6599 cut-off events. [2021-12-06 19:02:41,998 INFO L130 PetriNetUnfolder]: For 2865/3672 co-relation queries the response was YES. [2021-12-06 19:02:42,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11202 conditions, 6599 events. 887/6599 cut-off events. For 2865/3672 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 72265 event pairs, 446 based on Foata normal form. 2/5776 useless extension candidates. Maximal degree in co-relation 11168. Up to 572 conditions per place. [2021-12-06 19:02:42,090 INFO L132 encePairwiseOnDemand]: 374/379 looper letters, 31 selfloop transitions, 4 changer transitions 0/444 dead transitions. [2021-12-06 19:02:42,090 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 444 transitions, 1608 flow [2021-12-06 19:02:42,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:02:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-06 19:02:42,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1726 transitions. [2021-12-06 19:02:42,094 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9108179419525066 [2021-12-06 19:02:42,094 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1726 transitions. [2021-12-06 19:02:42,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1726 transitions. [2021-12-06 19:02:42,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:02:42,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1726 transitions. [2021-12-06 19:02:42,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 345.2) internal successors, (1726), 5 states have internal predecessors, (1726), 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) [2021-12-06 19:02:42,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 379.0) internal successors, (2274), 6 states have internal predecessors, (2274), 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) [2021-12-06 19:02:42,101 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 379.0) internal successors, (2274), 6 states have internal predecessors, (2274), 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) [2021-12-06 19:02:42,101 INFO L186 Difference]: Start difference. First operand has 408 places, 431 transitions, 1529 flow. Second operand 5 states and 1726 transitions. [2021-12-06 19:02:42,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 444 transitions, 1608 flow [2021-12-06 19:02:42,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 444 transitions, 1581 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-12-06 19:02:42,123 INFO L242 Difference]: Finished difference. Result has 413 places, 429 transitions, 1494 flow [2021-12-06 19:02:42,123 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=1465, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1494, PETRI_PLACES=413, PETRI_TRANSITIONS=429} [2021-12-06 19:02:42,124 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 70 predicate places. [2021-12-06 19:02:42,124 INFO L470 AbstractCegarLoop]: Abstraction has has 413 places, 429 transitions, 1494 flow [2021-12-06 19:02:42,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 340.5) internal successors, (1362), 4 states have internal predecessors, (1362), 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) [2021-12-06 19:02:42,124 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:02:42,124 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:02:42,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 19:02:42,125 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:02:42,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:42,125 INFO L85 PathProgramCache]: Analyzing trace with hash -717577241, now seen corresponding path program 1 times [2021-12-06 19:02:42,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:42,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501352020] [2021-12-06 19:02:42,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:42,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:42,233 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-12-06 19:02:42,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:42,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501352020] [2021-12-06 19:02:42,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501352020] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:02:42,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960933850] [2021-12-06 19:02:42,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:42,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:02:42,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:02:42,235 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:02:42,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 19:02:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:42,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 19:02:42,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:02:42,682 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-12-06 19:02:42,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:02:42,962 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-12-06 19:02:42,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960933850] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:02:42,963 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:02:42,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2021-12-06 19:02:42,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73002499] [2021-12-06 19:02:42,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:02:42,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-06 19:02:42,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:42,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 19:02:42,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-12-06 19:02:42,968 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 379 [2021-12-06 19:02:42,971 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 429 transitions, 1494 flow. Second operand has 14 states, 14 states have (on average 340.35714285714283) internal successors, (4765), 14 states have internal predecessors, (4765), 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) [2021-12-06 19:02:42,971 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:02:42,972 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 379 [2021-12-06 19:02:42,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:02:44,639 INFO L129 PetriNetUnfolder]: 376/5153 cut-off events. [2021-12-06 19:02:44,639 INFO L130 PetriNetUnfolder]: For 1409/3121 co-relation queries the response was YES. [2021-12-06 19:02:44,714 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8099 conditions, 5153 events. 376/5153 cut-off events. For 1409/3121 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 45395 event pairs, 178 based on Foata normal form. 161/5018 useless extension candidates. Maximal degree in co-relation 8064. Up to 354 conditions per place. [2021-12-06 19:02:44,731 INFO L132 encePairwiseOnDemand]: 371/379 looper letters, 86 selfloop transitions, 21 changer transitions 6/516 dead transitions. [2021-12-06 19:02:44,731 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 516 transitions, 2020 flow [2021-12-06 19:02:44,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-06 19:02:44,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-06 19:02:44,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 7193 transitions. [2021-12-06 19:02:44,740 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.903756753360975 [2021-12-06 19:02:44,740 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 7193 transitions. [2021-12-06 19:02:44,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 7193 transitions. [2021-12-06 19:02:44,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:02:44,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 7193 transitions. [2021-12-06 19:02:44,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 342.5238095238095) internal successors, (7193), 21 states have internal predecessors, (7193), 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) [2021-12-06 19:02:44,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 379.0) internal successors, (8338), 22 states have internal predecessors, (8338), 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) [2021-12-06 19:02:44,762 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 379.0) internal successors, (8338), 22 states have internal predecessors, (8338), 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) [2021-12-06 19:02:44,762 INFO L186 Difference]: Start difference. First operand has 413 places, 429 transitions, 1494 flow. Second operand 21 states and 7193 transitions. [2021-12-06 19:02:44,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 516 transitions, 2020 flow [2021-12-06 19:02:44,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 516 transitions, 2016 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-12-06 19:02:44,776 INFO L242 Difference]: Finished difference. Result has 437 places, 442 transitions, 1623 flow [2021-12-06 19:02:44,777 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=1490, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1623, PETRI_PLACES=437, PETRI_TRANSITIONS=442} [2021-12-06 19:02:44,777 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 94 predicate places. [2021-12-06 19:02:44,777 INFO L470 AbstractCegarLoop]: Abstraction has has 437 places, 442 transitions, 1623 flow [2021-12-06 19:02:44,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 340.35714285714283) internal successors, (4765), 14 states have internal predecessors, (4765), 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) [2021-12-06 19:02:44,778 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:02:44,778 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:02:44,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 19:02:44,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-06 19:02:44,980 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:02:44,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:44,982 INFO L85 PathProgramCache]: Analyzing trace with hash 2097500418, now seen corresponding path program 2 times [2021-12-06 19:02:44,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:44,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995816439] [2021-12-06 19:02:44,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:44,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:45,201 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2021-12-06 19:02:45,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:45,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995816439] [2021-12-06 19:02:45,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995816439] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:02:45,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306703585] [2021-12-06 19:02:45,202 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 19:02:45,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:02:45,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:02:45,203 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:02:45,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 19:02:45,372 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 19:02:45,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:02:45,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:02:45,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:02:45,746 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2021-12-06 19:02:45,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:02:46,075 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2021-12-06 19:02:46,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306703585] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 19:02:46,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:02:46,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 7 [2021-12-06 19:02:46,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477607929] [2021-12-06 19:02:46,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:02:46,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:02:46,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:46,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:02:46,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:02:46,078 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 379 [2021-12-06 19:02:46,079 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 442 transitions, 1623 flow. Second operand has 5 states, 5 states have (on average 338.2) internal successors, (1691), 5 states have internal predecessors, (1691), 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) [2021-12-06 19:02:46,079 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:02:46,079 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 379 [2021-12-06 19:02:46,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:02:52,256 INFO L129 PetriNetUnfolder]: 3457/23641 cut-off events. [2021-12-06 19:02:52,256 INFO L130 PetriNetUnfolder]: For 6541/7030 co-relation queries the response was YES. [2021-12-06 19:02:52,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36863 conditions, 23641 events. 3457/23641 cut-off events. For 6541/7030 co-relation queries the response was YES. Maximal size of possible extension queue 714. Compared 301573 event pairs, 675 based on Foata normal form. 386/21692 useless extension candidates. Maximal degree in co-relation 36824. Up to 1710 conditions per place. [2021-12-06 19:02:52,545 INFO L132 encePairwiseOnDemand]: 370/379 looper letters, 49 selfloop transitions, 16 changer transitions 0/483 dead transitions. [2021-12-06 19:02:52,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 483 transitions, 1891 flow [2021-12-06 19:02:52,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:02:52,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 19:02:52,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2405 transitions. [2021-12-06 19:02:52,547 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9065209197135319 [2021-12-06 19:02:52,547 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2405 transitions. [2021-12-06 19:02:52,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2405 transitions. [2021-12-06 19:02:52,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:02:52,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2405 transitions. [2021-12-06 19:02:52,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 343.57142857142856) internal successors, (2405), 7 states have internal predecessors, (2405), 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) [2021-12-06 19:02:52,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 379.0) internal successors, (3032), 8 states have internal predecessors, (3032), 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) [2021-12-06 19:02:52,552 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 379.0) internal successors, (3032), 8 states have internal predecessors, (3032), 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) [2021-12-06 19:02:52,552 INFO L186 Difference]: Start difference. First operand has 437 places, 442 transitions, 1623 flow. Second operand 7 states and 2405 transitions. [2021-12-06 19:02:52,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 483 transitions, 1891 flow [2021-12-06 19:02:52,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 483 transitions, 1826 flow, removed 22 selfloop flow, removed 8 redundant places. [2021-12-06 19:02:52,610 INFO L242 Difference]: Finished difference. Result has 439 places, 453 transitions, 1648 flow [2021-12-06 19:02:52,610 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=1558, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1648, PETRI_PLACES=439, PETRI_TRANSITIONS=453} [2021-12-06 19:02:52,611 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 96 predicate places. [2021-12-06 19:02:52,611 INFO L470 AbstractCegarLoop]: Abstraction has has 439 places, 453 transitions, 1648 flow [2021-12-06 19:02:52,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 338.2) internal successors, (1691), 5 states have internal predecessors, (1691), 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) [2021-12-06 19:02:52,611 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:02:52,611 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:02:52,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 19:02:52,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-06 19:02:52,814 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:02:52,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:52,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1017402146, now seen corresponding path program 1 times [2021-12-06 19:02:52,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:52,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547005997] [2021-12-06 19:02:52,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:52,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:52,942 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:02:52,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:52,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547005997] [2021-12-06 19:02:52,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547005997] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:02:52,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981566803] [2021-12-06 19:02:52,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:52,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:02:52,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:02:52,943 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:02:52,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 19:02:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:53,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:02:53,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:02:53,428 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:02:53,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:02:53,717 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:02:53,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981566803] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 19:02:53,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:02:53,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2021-12-06 19:02:53,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986363912] [2021-12-06 19:02:53,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:02:53,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:02:53,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:53,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:02:53,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-06 19:02:53,720 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 379 [2021-12-06 19:02:53,721 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 453 transitions, 1648 flow. Second operand has 5 states, 5 states have (on average 338.2) internal successors, (1691), 5 states have internal predecessors, (1691), 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) [2021-12-06 19:02:53,721 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:02:53,721 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 379 [2021-12-06 19:02:53,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:03:01,033 INFO L129 PetriNetUnfolder]: 4838/27291 cut-off events. [2021-12-06 19:03:01,034 INFO L130 PetriNetUnfolder]: For 14179/25674 co-relation queries the response was YES. [2021-12-06 19:03:01,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48766 conditions, 27291 events. 4838/27291 cut-off events. For 14179/25674 co-relation queries the response was YES. Maximal size of possible extension queue 908. Compared 351979 event pairs, 1562 based on Foata normal form. 649/24929 useless extension candidates. Maximal degree in co-relation 48726. Up to 2122 conditions per place. [2021-12-06 19:03:01,458 INFO L132 encePairwiseOnDemand]: 370/379 looper letters, 54 selfloop transitions, 31 changer transitions 0/503 dead transitions. [2021-12-06 19:03:01,458 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 503 transitions, 2049 flow [2021-12-06 19:03:01,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:03:01,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 19:03:01,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2072 transitions. [2021-12-06 19:03:01,460 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.911169744942832 [2021-12-06 19:03:01,460 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2072 transitions. [2021-12-06 19:03:01,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2072 transitions. [2021-12-06 19:03:01,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:03:01,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2072 transitions. [2021-12-06 19:03:01,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 345.3333333333333) internal successors, (2072), 6 states have internal predecessors, (2072), 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) [2021-12-06 19:03:01,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 379.0) internal successors, (2653), 7 states have internal predecessors, (2653), 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) [2021-12-06 19:03:01,464 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 379.0) internal successors, (2653), 7 states have internal predecessors, (2653), 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) [2021-12-06 19:03:01,464 INFO L186 Difference]: Start difference. First operand has 439 places, 453 transitions, 1648 flow. Second operand 6 states and 2072 transitions. [2021-12-06 19:03:01,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 503 transitions, 2049 flow [2021-12-06 19:03:01,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 503 transitions, 2049 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 19:03:01,589 INFO L242 Difference]: Finished difference. Result has 449 places, 473 transitions, 1896 flow [2021-12-06 19:03:01,590 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=1648, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1896, PETRI_PLACES=449, PETRI_TRANSITIONS=473} [2021-12-06 19:03:01,590 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 106 predicate places. [2021-12-06 19:03:01,590 INFO L470 AbstractCegarLoop]: Abstraction has has 449 places, 473 transitions, 1896 flow [2021-12-06 19:03:01,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 338.2) internal successors, (1691), 5 states have internal predecessors, (1691), 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) [2021-12-06 19:03:01,590 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:03:01,591 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:03:01,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-06 19:03:01,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:03:01,792 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:03:01,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:03:01,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1137299690, now seen corresponding path program 1 times [2021-12-06 19:03:01,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:03:01,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672070911] [2021-12-06 19:03:01,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:03:01,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:03:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:01,958 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:03:01,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:03:01,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672070911] [2021-12-06 19:03:01,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672070911] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:03:01,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273384528] [2021-12-06 19:03:01,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:03:01,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:03:01,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:03:01,959 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:03:01,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 19:03:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:02,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:03:02,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:03:02,490 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:03:02,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:03:02,771 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:03:02,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273384528] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 19:03:02,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:03:02,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 7 [2021-12-06 19:03:02,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395584718] [2021-12-06 19:03:02,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:03:02,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:03:02,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:03:02,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:03:02,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:03:02,774 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 379 [2021-12-06 19:03:02,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 473 transitions, 1896 flow. Second operand has 5 states, 5 states have (on average 338.2) internal successors, (1691), 5 states have internal predecessors, (1691), 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) [2021-12-06 19:03:02,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:03:02,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 379 [2021-12-06 19:03:02,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:03:10,349 INFO L129 PetriNetUnfolder]: 5274/27892 cut-off events. [2021-12-06 19:03:10,349 INFO L130 PetriNetUnfolder]: For 25922/36000 co-relation queries the response was YES. [2021-12-06 19:03:10,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54824 conditions, 27892 events. 5274/27892 cut-off events. For 25922/36000 co-relation queries the response was YES. Maximal size of possible extension queue 1036. Compared 363734 event pairs, 1141 based on Foata normal form. 650/25419 useless extension candidates. Maximal degree in co-relation 54779. Up to 2045 conditions per place. [2021-12-06 19:03:10,747 INFO L132 encePairwiseOnDemand]: 370/379 looper letters, 69 selfloop transitions, 34 changer transitions 0/521 dead transitions. [2021-12-06 19:03:10,747 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 521 transitions, 2388 flow [2021-12-06 19:03:10,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:03:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 19:03:10,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2406 transitions. [2021-12-06 19:03:10,750 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9068978514888805 [2021-12-06 19:03:10,750 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2406 transitions. [2021-12-06 19:03:10,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2406 transitions. [2021-12-06 19:03:10,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:03:10,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2406 transitions. [2021-12-06 19:03:10,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 343.7142857142857) internal successors, (2406), 7 states have internal predecessors, (2406), 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) [2021-12-06 19:03:10,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 379.0) internal successors, (3032), 8 states have internal predecessors, (3032), 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) [2021-12-06 19:03:10,755 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 379.0) internal successors, (3032), 8 states have internal predecessors, (3032), 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) [2021-12-06 19:03:10,755 INFO L186 Difference]: Start difference. First operand has 449 places, 473 transitions, 1896 flow. Second operand 7 states and 2406 transitions. [2021-12-06 19:03:10,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 521 transitions, 2388 flow [2021-12-06 19:03:10,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 521 transitions, 2372 flow, removed 7 selfloop flow, removed 1 redundant places. [2021-12-06 19:03:10,956 INFO L242 Difference]: Finished difference. Result has 456 places, 488 transitions, 2087 flow [2021-12-06 19:03:10,956 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=1885, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2087, PETRI_PLACES=456, PETRI_TRANSITIONS=488} [2021-12-06 19:03:10,957 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 113 predicate places. [2021-12-06 19:03:10,957 INFO L470 AbstractCegarLoop]: Abstraction has has 456 places, 488 transitions, 2087 flow [2021-12-06 19:03:10,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 338.2) internal successors, (1691), 5 states have internal predecessors, (1691), 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) [2021-12-06 19:03:10,957 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:03:10,957 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:03:10,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-06 19:03:11,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-06 19:03:11,160 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:03:11,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:03:11,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1939552726, now seen corresponding path program 2 times [2021-12-06 19:03:11,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:03:11,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176983056] [2021-12-06 19:03:11,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:03:11,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:03:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:11,349 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:03:11,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:03:11,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176983056] [2021-12-06 19:03:11,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176983056] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:03:11,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:03:11,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 19:03:11,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081670352] [2021-12-06 19:03:11,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:03:11,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 19:03:11,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:03:11,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:03:11,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:03:11,353 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 379 [2021-12-06 19:03:11,354 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 488 transitions, 2087 flow. Second operand has 7 states, 7 states have (on average 332.42857142857144) internal successors, (2327), 7 states have internal predecessors, (2327), 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) [2021-12-06 19:03:11,354 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:03:11,354 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 379 [2021-12-06 19:03:11,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:03:20,109 INFO L129 PetriNetUnfolder]: 7483/30462 cut-off events. [2021-12-06 19:03:20,109 INFO L130 PetriNetUnfolder]: For 43945/51515 co-relation queries the response was YES. [2021-12-06 19:03:20,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68035 conditions, 30462 events. 7483/30462 cut-off events. For 43945/51515 co-relation queries the response was YES. Maximal size of possible extension queue 1580. Compared 402343 event pairs, 2654 based on Foata normal form. 802/27155 useless extension candidates. Maximal degree in co-relation 67988. Up to 4318 conditions per place. [2021-12-06 19:03:20,580 INFO L132 encePairwiseOnDemand]: 372/379 looper letters, 137 selfloop transitions, 25 changer transitions 0/574 dead transitions. [2021-12-06 19:03:20,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 574 transitions, 2993 flow [2021-12-06 19:03:20,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:03:20,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 19:03:20,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3055 transitions. [2021-12-06 19:03:20,583 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8956317795367927 [2021-12-06 19:03:20,583 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3055 transitions. [2021-12-06 19:03:20,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3055 transitions. [2021-12-06 19:03:20,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:03:20,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3055 transitions. [2021-12-06 19:03:20,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 339.44444444444446) internal successors, (3055), 9 states have internal predecessors, (3055), 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) [2021-12-06 19:03:20,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 379.0) internal successors, (3790), 10 states have internal predecessors, (3790), 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) [2021-12-06 19:03:20,589 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 379.0) internal successors, (3790), 10 states have internal predecessors, (3790), 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) [2021-12-06 19:03:20,589 INFO L186 Difference]: Start difference. First operand has 456 places, 488 transitions, 2087 flow. Second operand 9 states and 3055 transitions. [2021-12-06 19:03:20,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 574 transitions, 2993 flow [2021-12-06 19:03:20,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 574 transitions, 2977 flow, removed 8 selfloop flow, removed 0 redundant places. [2021-12-06 19:03:20,821 INFO L242 Difference]: Finished difference. Result has 468 places, 505 transitions, 2281 flow [2021-12-06 19:03:20,822 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=2077, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=488, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2281, PETRI_PLACES=468, PETRI_TRANSITIONS=505} [2021-12-06 19:03:20,822 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 125 predicate places. [2021-12-06 19:03:20,822 INFO L470 AbstractCegarLoop]: Abstraction has has 468 places, 505 transitions, 2281 flow [2021-12-06 19:03:20,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 332.42857142857144) internal successors, (2327), 7 states have internal predecessors, (2327), 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) [2021-12-06 19:03:20,823 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:03:20,823 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:03:20,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 19:03:20,823 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:03:20,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:03:20,824 INFO L85 PathProgramCache]: Analyzing trace with hash -314828562, now seen corresponding path program 3 times [2021-12-06 19:03:20,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:03:20,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870557667] [2021-12-06 19:03:20,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:03:20,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:03:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:20,976 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:03:20,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:03:20,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870557667] [2021-12-06 19:03:20,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870557667] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:03:20,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930660343] [2021-12-06 19:03:20,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 19:03:20,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:03:20,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:03:20,977 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:03:20,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 19:03:21,109 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-06 19:03:21,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:03:21,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:03:21,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:03:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:03:21,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:03:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:03:21,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930660343] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 19:03:21,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:03:21,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 8 [2021-12-06 19:03:21,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11171030] [2021-12-06 19:03:21,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:03:21,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:03:21,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:03:21,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:03:21,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:03:21,747 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 379 [2021-12-06 19:03:21,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 505 transitions, 2281 flow. Second operand has 5 states, 5 states have (on average 338.2) internal successors, (1691), 5 states have internal predecessors, (1691), 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) [2021-12-06 19:03:21,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:03:21,748 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 379 [2021-12-06 19:03:21,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:03:31,087 INFO L129 PetriNetUnfolder]: 6446/33481 cut-off events. [2021-12-06 19:03:31,088 INFO L130 PetriNetUnfolder]: For 47040/56087 co-relation queries the response was YES. [2021-12-06 19:03:31,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71482 conditions, 33481 events. 6446/33481 cut-off events. For 47040/56087 co-relation queries the response was YES. Maximal size of possible extension queue 1284. Compared 451488 event pairs, 2043 based on Foata normal form. 714/30261 useless extension candidates. Maximal degree in co-relation 71430. Up to 2844 conditions per place. [2021-12-06 19:03:31,681 INFO L132 encePairwiseOnDemand]: 371/379 looper letters, 94 selfloop transitions, 47 changer transitions 0/560 dead transitions. [2021-12-06 19:03:31,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 560 transitions, 2976 flow [2021-12-06 19:03:31,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:03:31,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 19:03:31,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2073 transitions. [2021-12-06 19:03:31,684 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9116094986807388 [2021-12-06 19:03:31,684 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2073 transitions. [2021-12-06 19:03:31,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2073 transitions. [2021-12-06 19:03:31,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:03:31,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2073 transitions. [2021-12-06 19:03:31,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 345.5) internal successors, (2073), 6 states have internal predecessors, (2073), 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) [2021-12-06 19:03:31,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 379.0) internal successors, (2653), 7 states have internal predecessors, (2653), 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) [2021-12-06 19:03:31,689 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 379.0) internal successors, (2653), 7 states have internal predecessors, (2653), 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) [2021-12-06 19:03:31,689 INFO L186 Difference]: Start difference. First operand has 468 places, 505 transitions, 2281 flow. Second operand 6 states and 2073 transitions. [2021-12-06 19:03:31,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 560 transitions, 2976 flow [2021-12-06 19:03:32,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 560 transitions, 2960 flow, removed 8 selfloop flow, removed 0 redundant places. [2021-12-06 19:03:32,107 INFO L242 Difference]: Finished difference. Result has 477 places, 524 transitions, 2656 flow [2021-12-06 19:03:32,108 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=2269, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=505, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2656, PETRI_PLACES=477, PETRI_TRANSITIONS=524} [2021-12-06 19:03:32,108 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 134 predicate places. [2021-12-06 19:03:32,108 INFO L470 AbstractCegarLoop]: Abstraction has has 477 places, 524 transitions, 2656 flow [2021-12-06 19:03:32,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 338.2) internal successors, (1691), 5 states have internal predecessors, (1691), 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) [2021-12-06 19:03:32,108 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:03:32,109 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:03:32,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-06 19:03:32,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-06 19:03:32,311 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:03:32,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:03:32,312 INFO L85 PathProgramCache]: Analyzing trace with hash 964793566, now seen corresponding path program 2 times [2021-12-06 19:03:32,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:03:32,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375071318] [2021-12-06 19:03:32,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:03:32,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:03:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:32,406 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:03:32,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:03:32,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375071318] [2021-12-06 19:03:32,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375071318] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:03:32,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008061426] [2021-12-06 19:03:32,407 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 19:03:32,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:03:32,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:03:32,408 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:03:32,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-06 19:03:32,572 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 19:03:32,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:03:32,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:03:32,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:03:32,917 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:03:32,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:03:33,203 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:03:33,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008061426] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 19:03:33,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:03:33,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2021-12-06 19:03:33,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544551413] [2021-12-06 19:03:33,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:03:33,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:03:33,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:03:33,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:03:33,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-06 19:03:33,206 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 379 [2021-12-06 19:03:33,207 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 524 transitions, 2656 flow. Second operand has 5 states, 5 states have (on average 338.2) internal successors, (1691), 5 states have internal predecessors, (1691), 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) [2021-12-06 19:03:33,207 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:03:33,207 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 379 [2021-12-06 19:03:33,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:03:42,384 INFO L129 PetriNetUnfolder]: 6174/32850 cut-off events. [2021-12-06 19:03:42,384 INFO L130 PetriNetUnfolder]: For 58955/69085 co-relation queries the response was YES. [2021-12-06 19:03:42,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72058 conditions, 32850 events. 6174/32850 cut-off events. For 58955/69085 co-relation queries the response was YES. Maximal size of possible extension queue 1192. Compared 441738 event pairs, 1689 based on Foata normal form. 757/29876 useless extension candidates. Maximal degree in co-relation 72002. Up to 2421 conditions per place. [2021-12-06 19:03:42,914 INFO L132 encePairwiseOnDemand]: 367/379 looper letters, 93 selfloop transitions, 60 changer transitions 0/572 dead transitions. [2021-12-06 19:03:42,914 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 572 transitions, 3356 flow [2021-12-06 19:03:42,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:03:42,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 19:03:42,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2079 transitions. [2021-12-06 19:03:42,916 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9142480211081794 [2021-12-06 19:03:42,917 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2079 transitions. [2021-12-06 19:03:42,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2079 transitions. [2021-12-06 19:03:42,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:03:42,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2079 transitions. [2021-12-06 19:03:42,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 346.5) internal successors, (2079), 6 states have internal predecessors, (2079), 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) [2021-12-06 19:03:42,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 379.0) internal successors, (2653), 7 states have internal predecessors, (2653), 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) [2021-12-06 19:03:42,920 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 379.0) internal successors, (2653), 7 states have internal predecessors, (2653), 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) [2021-12-06 19:03:42,920 INFO L186 Difference]: Start difference. First operand has 477 places, 524 transitions, 2656 flow. Second operand 6 states and 2079 transitions. [2021-12-06 19:03:42,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 572 transitions, 3356 flow [2021-12-06 19:03:43,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 572 transitions, 3271 flow, removed 17 selfloop flow, removed 4 redundant places. [2021-12-06 19:03:43,251 INFO L242 Difference]: Finished difference. Result has 481 places, 538 transitions, 2947 flow [2021-12-06 19:03:43,251 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=2559, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2947, PETRI_PLACES=481, PETRI_TRANSITIONS=538} [2021-12-06 19:03:43,252 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 138 predicate places. [2021-12-06 19:03:43,252 INFO L470 AbstractCegarLoop]: Abstraction has has 481 places, 538 transitions, 2947 flow [2021-12-06 19:03:43,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 338.2) internal successors, (1691), 5 states have internal predecessors, (1691), 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) [2021-12-06 19:03:43,252 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:03:43,252 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:03:43,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-06 19:03:43,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-06 19:03:43,455 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:03:43,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:03:43,456 INFO L85 PathProgramCache]: Analyzing trace with hash 238766068, now seen corresponding path program 3 times [2021-12-06 19:03:43,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:03:43,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083470661] [2021-12-06 19:03:43,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:03:43,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:03:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:43,613 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:03:43,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:03:43,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083470661] [2021-12-06 19:03:43,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083470661] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:03:43,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868662492] [2021-12-06 19:03:43,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 19:03:43,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:03:43,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:03:43,614 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:03:43,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-06 19:03:43,750 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-06 19:03:43,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:03:43,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:03:43,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:03:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:03:44,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:03:44,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868662492] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:03:44,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:03:44,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2021-12-06 19:03:44,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461097999] [2021-12-06 19:03:44,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:03:44,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:03:44,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:03:44,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:03:44,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:03:44,086 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 379 [2021-12-06 19:03:44,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 538 transitions, 2947 flow. Second operand has 5 states, 5 states have (on average 338.2) internal successors, (1691), 5 states have internal predecessors, (1691), 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) [2021-12-06 19:03:44,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:03:44,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 379 [2021-12-06 19:03:44,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:03:52,589 INFO L129 PetriNetUnfolder]: 5970/28913 cut-off events. [2021-12-06 19:03:52,589 INFO L130 PetriNetUnfolder]: For 67589/77727 co-relation queries the response was YES. [2021-12-06 19:03:52,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68115 conditions, 28913 events. 5970/28913 cut-off events. For 67589/77727 co-relation queries the response was YES. Maximal size of possible extension queue 1161. Compared 377223 event pairs, 2079 based on Foata normal form. 724/26140 useless extension candidates. Maximal degree in co-relation 68058. Up to 2443 conditions per place. [2021-12-06 19:03:53,073 INFO L132 encePairwiseOnDemand]: 371/379 looper letters, 121 selfloop transitions, 35 changer transitions 2/577 dead transitions. [2021-12-06 19:03:53,073 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 487 places, 577 transitions, 3558 flow [2021-12-06 19:03:53,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:03:53,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 19:03:53,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2415 transitions. [2021-12-06 19:03:53,075 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9102902374670184 [2021-12-06 19:03:53,075 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2415 transitions. [2021-12-06 19:03:53,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2415 transitions. [2021-12-06 19:03:53,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:03:53,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2415 transitions. [2021-12-06 19:03:53,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 345.0) internal successors, (2415), 7 states have internal predecessors, (2415), 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) [2021-12-06 19:03:53,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 379.0) internal successors, (3032), 8 states have internal predecessors, (3032), 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) [2021-12-06 19:03:53,079 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 379.0) internal successors, (3032), 8 states have internal predecessors, (3032), 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) [2021-12-06 19:03:53,079 INFO L186 Difference]: Start difference. First operand has 481 places, 538 transitions, 2947 flow. Second operand 7 states and 2415 transitions. [2021-12-06 19:03:53,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 487 places, 577 transitions, 3558 flow [2021-12-06 19:03:53,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 577 transitions, 3556 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-12-06 19:03:53,418 INFO L242 Difference]: Finished difference. Result has 489 places, 543 transitions, 3101 flow [2021-12-06 19:03:53,418 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=2911, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=503, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3101, PETRI_PLACES=489, PETRI_TRANSITIONS=543} [2021-12-06 19:03:53,418 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 146 predicate places. [2021-12-06 19:03:53,419 INFO L470 AbstractCegarLoop]: Abstraction has has 489 places, 543 transitions, 3101 flow [2021-12-06 19:03:53,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 338.2) internal successors, (1691), 5 states have internal predecessors, (1691), 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) [2021-12-06 19:03:53,419 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:03:53,419 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:03:53,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-12-06 19:03:53,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:03:53,621 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:03:53,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:03:53,623 INFO L85 PathProgramCache]: Analyzing trace with hash 946167404, now seen corresponding path program 1 times [2021-12-06 19:03:53,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:03:53,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379943417] [2021-12-06 19:03:53,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:03:53,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:03:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:03:53,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:03:53,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379943417] [2021-12-06 19:03:53,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379943417] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:03:53,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822955551] [2021-12-06 19:03:53,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:03:53,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:03:53,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:03:53,754 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:03:53,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-06 19:03:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:03:53,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:03:54,251 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:03:54,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:03:54,537 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:03:54,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822955551] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 19:03:54,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 19:03:54,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2021-12-06 19:03:54,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902384786] [2021-12-06 19:03:54,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:03:54,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:03:54,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:03:54,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:03:54,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-06 19:03:54,540 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 379 [2021-12-06 19:03:54,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 543 transitions, 3101 flow. Second operand has 5 states, 5 states have (on average 338.2) internal successors, (1691), 5 states have internal predecessors, (1691), 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) [2021-12-06 19:03:54,541 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:03:54,541 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 379 [2021-12-06 19:03:54,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:04:03,708 INFO L129 PetriNetUnfolder]: 5853/31704 cut-off events. [2021-12-06 19:04:03,708 INFO L130 PetriNetUnfolder]: For 71106/83032 co-relation queries the response was YES. [2021-12-06 19:04:04,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71078 conditions, 31704 events. 5853/31704 cut-off events. For 71106/83032 co-relation queries the response was YES. Maximal size of possible extension queue 1175. Compared 423741 event pairs, 1471 based on Foata normal form. 763/28871 useless extension candidates. Maximal degree in co-relation 71018. Up to 2190 conditions per place. [2021-12-06 19:04:04,280 INFO L132 encePairwiseOnDemand]: 368/379 looper letters, 96 selfloop transitions, 81 changer transitions 0/596 dead transitions. [2021-12-06 19:04:04,280 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 596 transitions, 3960 flow [2021-12-06 19:04:04,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:04:04,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 19:04:04,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2077 transitions. [2021-12-06 19:04:04,283 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9133685136323659 [2021-12-06 19:04:04,283 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2077 transitions. [2021-12-06 19:04:04,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2077 transitions. [2021-12-06 19:04:04,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:04:04,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2077 transitions. [2021-12-06 19:04:04,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 346.1666666666667) internal successors, (2077), 6 states have internal predecessors, (2077), 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) [2021-12-06 19:04:04,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 379.0) internal successors, (2653), 7 states have internal predecessors, (2653), 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) [2021-12-06 19:04:04,286 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 379.0) internal successors, (2653), 7 states have internal predecessors, (2653), 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) [2021-12-06 19:04:04,286 INFO L186 Difference]: Start difference. First operand has 489 places, 543 transitions, 3101 flow. Second operand 6 states and 2077 transitions. [2021-12-06 19:04:04,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 596 transitions, 3960 flow [2021-12-06 19:04:04,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 596 transitions, 3931 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-06 19:04:04,607 INFO L242 Difference]: Finished difference. Result has 497 places, 560 transitions, 3607 flow [2021-12-06 19:04:04,608 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=3039, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=474, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3607, PETRI_PLACES=497, PETRI_TRANSITIONS=560} [2021-12-06 19:04:04,608 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 154 predicate places. [2021-12-06 19:04:04,608 INFO L470 AbstractCegarLoop]: Abstraction has has 497 places, 560 transitions, 3607 flow [2021-12-06 19:04:04,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 338.2) internal successors, (1691), 5 states have internal predecessors, (1691), 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) [2021-12-06 19:04:04,608 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:04:04,609 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:04:04,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-12-06 19:04:04,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:04:04,810 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:04:04,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:04:04,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1399215150, now seen corresponding path program 3 times [2021-12-06 19:04:04,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:04:04,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394160282] [2021-12-06 19:04:04,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:04:04,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:04:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:04:05,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:04:05,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394160282] [2021-12-06 19:04:05,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394160282] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:04:05,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:04:05,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 19:04:05,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794613569] [2021-12-06 19:04:05,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:04:05,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 19:04:05,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:04:05,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:04:05,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:04:05,004 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 379 [2021-12-06 19:04:05,005 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 560 transitions, 3607 flow. Second operand has 7 states, 7 states have (on average 332.42857142857144) internal successors, (2327), 7 states have internal predecessors, (2327), 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) [2021-12-06 19:04:05,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:04:05,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 379 [2021-12-06 19:04:05,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:04:16,239 INFO L129 PetriNetUnfolder]: 8592/35154 cut-off events. [2021-12-06 19:04:16,239 INFO L130 PetriNetUnfolder]: For 118460/142120 co-relation queries the response was YES. [2021-12-06 19:04:16,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90050 conditions, 35154 events. 8592/35154 cut-off events. For 118460/142120 co-relation queries the response was YES. Maximal size of possible extension queue 1865. Compared 475996 event pairs, 3117 based on Foata normal form. 712/31169 useless extension candidates. Maximal degree in co-relation 89986. Up to 4319 conditions per place. [2021-12-06 19:04:16,920 INFO L132 encePairwiseOnDemand]: 369/379 looper letters, 167 selfloop transitions, 47 changer transitions 4/628 dead transitions. [2021-12-06 19:04:16,920 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 628 transitions, 4589 flow [2021-12-06 19:04:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:04:16,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 19:04:16,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3076 transitions. [2021-12-06 19:04:16,923 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9017883318674875 [2021-12-06 19:04:16,923 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3076 transitions. [2021-12-06 19:04:16,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3076 transitions. [2021-12-06 19:04:16,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:04:16,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3076 transitions. [2021-12-06 19:04:16,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 341.77777777777777) internal successors, (3076), 9 states have internal predecessors, (3076), 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) [2021-12-06 19:04:16,929 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 379.0) internal successors, (3790), 10 states have internal predecessors, (3790), 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) [2021-12-06 19:04:16,929 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 379.0) internal successors, (3790), 10 states have internal predecessors, (3790), 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) [2021-12-06 19:04:16,929 INFO L186 Difference]: Start difference. First operand has 497 places, 560 transitions, 3607 flow. Second operand 9 states and 3076 transitions. [2021-12-06 19:04:16,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 628 transitions, 4589 flow [2021-12-06 19:04:17,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 628 transitions, 4539 flow, removed 7 selfloop flow, removed 1 redundant places. [2021-12-06 19:04:17,490 INFO L242 Difference]: Finished difference. Result has 508 places, 569 transitions, 3842 flow [2021-12-06 19:04:17,491 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=3506, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=555, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3842, PETRI_PLACES=508, PETRI_TRANSITIONS=569} [2021-12-06 19:04:17,491 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 165 predicate places. [2021-12-06 19:04:17,491 INFO L470 AbstractCegarLoop]: Abstraction has has 508 places, 569 transitions, 3842 flow [2021-12-06 19:04:17,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 332.42857142857144) internal successors, (2327), 7 states have internal predecessors, (2327), 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) [2021-12-06 19:04:17,492 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:04:17,492 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:04:17,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 19:04:17,492 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:04:17,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:04:17,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1801436294, now seen corresponding path program 4 times [2021-12-06 19:04:17,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:04:17,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029889525] [2021-12-06 19:04:17,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:04:17,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:04:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:17,618 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2021-12-06 19:04:17,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:04:17,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029889525] [2021-12-06 19:04:17,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029889525] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:04:17,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:04:17,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 19:04:17,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500006212] [2021-12-06 19:04:17,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:04:17,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 19:04:17,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:04:17,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:04:17,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:04:17,621 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 379 [2021-12-06 19:04:17,622 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 569 transitions, 3842 flow. Second operand has 7 states, 7 states have (on average 332.42857142857144) internal successors, (2327), 7 states have internal predecessors, (2327), 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) [2021-12-06 19:04:17,622 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:04:17,622 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 379 [2021-12-06 19:04:17,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:04:28,702 INFO L129 PetriNetUnfolder]: 8602/35268 cut-off events. [2021-12-06 19:04:28,702 INFO L130 PetriNetUnfolder]: For 125035/148059 co-relation queries the response was YES. [2021-12-06 19:04:29,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92405 conditions, 35268 events. 8602/35268 cut-off events. For 125035/148059 co-relation queries the response was YES. Maximal size of possible extension queue 1804. Compared 474885 event pairs, 2612 based on Foata normal form. 721/31603 useless extension candidates. Maximal degree in co-relation 92336. Up to 4495 conditions per place. [2021-12-06 19:04:29,381 INFO L132 encePairwiseOnDemand]: 372/379 looper letters, 182 selfloop transitions, 52 changer transitions 3/646 dead transitions. [2021-12-06 19:04:29,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 646 transitions, 5145 flow [2021-12-06 19:04:29,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:04:29,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 19:04:29,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3056 transitions. [2021-12-06 19:04:29,384 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8959249486953973 [2021-12-06 19:04:29,385 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3056 transitions. [2021-12-06 19:04:29,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3056 transitions. [2021-12-06 19:04:29,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:04:29,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3056 transitions. [2021-12-06 19:04:29,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 339.55555555555554) internal successors, (3056), 9 states have internal predecessors, (3056), 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) [2021-12-06 19:04:29,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 379.0) internal successors, (3790), 10 states have internal predecessors, (3790), 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) [2021-12-06 19:04:29,392 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 379.0) internal successors, (3790), 10 states have internal predecessors, (3790), 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) [2021-12-06 19:04:29,392 INFO L186 Difference]: Start difference. First operand has 508 places, 569 transitions, 3842 flow. Second operand 9 states and 3056 transitions. [2021-12-06 19:04:29,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 646 transitions, 5145 flow [2021-12-06 19:04:30,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 646 transitions, 5117 flow, removed 14 selfloop flow, removed 0 redundant places. [2021-12-06 19:04:30,045 INFO L242 Difference]: Finished difference. Result has 518 places, 582 transitions, 4153 flow [2021-12-06 19:04:30,045 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=3797, PETRI_DIFFERENCE_MINUEND_PLACES=508, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=567, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4153, PETRI_PLACES=518, PETRI_TRANSITIONS=582} [2021-12-06 19:04:30,046 INFO L334 CegarLoopForPetriNet]: 343 programPoint places, 175 predicate places. [2021-12-06 19:04:30,046 INFO L470 AbstractCegarLoop]: Abstraction has has 518 places, 582 transitions, 4153 flow [2021-12-06 19:04:30,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 332.42857142857144) internal successors, (2327), 7 states have internal predecessors, (2327), 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) [2021-12-06 19:04:30,046 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:04:30,046 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:04:30,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 19:04:30,047 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 19:04:30,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:04:30,047 INFO L85 PathProgramCache]: Analyzing trace with hash -26549267, now seen corresponding path program 1 times [2021-12-06 19:04:30,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:04:30,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433527900] [2021-12-06 19:04:30,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:04:30,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:04:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:31,933 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 12 proven. 127 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2021-12-06 19:04:31,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:04:31,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433527900] [2021-12-06 19:04:31,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433527900] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:04:31,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566086035] [2021-12-06 19:04:31,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:04:31,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:04:31,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:04:31,935 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:04:31,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade63b17-edcb-4a26-9f7a-8c5e08f835d2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-06 19:04:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:32,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 120 conjunts are in the unsatisfiable core [2021-12-06 19:04:32,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:04:35,086 INFO L354 Elim1Store]: treesize reduction 8, result has 75.8 percent of original size [2021-12-06 19:04:35,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 39 [2021-12-06 19:04:36,007 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 12 proven. 139 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2021-12-06 19:04:36,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:04:48,640 INFO L354 Elim1Store]: treesize reduction 43, result has 81.9 percent of original size [2021-12-06 19:04:48,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 103 treesize of output 216 [2021-12-06 19:05:00,113 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 120 proven. 27 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2021-12-06 19:05:00,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566086035] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:05:00,113 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:05:00,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54, 39] total 127 [2021-12-06 19:05:00,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547263075] [2021-12-06 19:05:00,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:05:00,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2021-12-06 19:05:00,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:05:00,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2021-12-06 19:05:00,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=620, Invalid=15380, Unknown=2, NotChecked=0, Total=16002 [2021-12-06 19:05:00,131 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 379 [2021-12-06 19:05:00,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 582 transitions, 4153 flow. Second operand has 127 states, 127 states have (on average 167.96062992125985) internal successors, (21331), 127 states have internal predecessors, (21331), 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) [2021-12-06 19:05:00,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:05:00,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 379 [2021-12-06 19:05:00,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand