./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/bin/uautomizer-tBqnrhUYjU --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 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:44:51,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:44:51,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:44:51,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:44:51,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:44:52,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:44:52,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:44:52,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:44:52,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:44:52,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:44:52,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:44:52,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:44:52,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:44:52,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:44:52,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:44:52,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:44:52,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:44:52,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:44:52,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:44:52,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:44:52,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:44:52,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:44:52,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:44:52,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:44:52,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:44:52,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:44:52,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:44:52,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:44:52,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:44:52,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:44:52,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:44:52,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:44:52,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:44:52,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:44:52,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:44:52,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:44:52,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:44:52,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:44:52,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:44:52,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:44:52,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:44:52,091 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-02 22:44:52,137 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:44:52,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:44:52,138 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:44:52,139 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:44:52,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:44:52,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:44:52,141 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:44:52,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:44:52,142 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:44:52,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:44:52,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:44:52,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:44:52,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:44:52,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:44:52,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:44:52,144 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:44:52,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:44:52,145 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:44:52,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:44:52,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:44:52,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:44:52,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:44:52,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:44:52,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:44:52,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:44:52,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:44:52,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:44:52,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:44:52,147 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:44:52,147 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:44:52,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:44:52,148 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:44:52,148 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_59353fda-3dcc-4b3d-9705-c34813041f5a/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 [2021-11-02 22:44:52,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:44:52,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:44:52,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:44:52,490 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:44:52,491 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:44:52,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2021-11-02 22:44:52,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/bin/uautomizer-tBqnrhUYjU/data/aee5b9df0/ee183ecedbbd4378aa2a3ef890006fd3/FLAG6200024e6 [2021-11-02 22:44:53,204 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:44:53,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2021-11-02 22:44:53,224 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/bin/uautomizer-tBqnrhUYjU/data/aee5b9df0/ee183ecedbbd4378aa2a3ef890006fd3/FLAG6200024e6 [2021-11-02 22:44:53,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/bin/uautomizer-tBqnrhUYjU/data/aee5b9df0/ee183ecedbbd4378aa2a3ef890006fd3 [2021-11-02 22:44:53,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:44:53,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:44:53,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:44:53,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:44:53,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:44:53,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:44:53" (1/1) ... [2021-11-02 22:44:53,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a423ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:44:53, skipping insertion in model container [2021-11-02 22:44:53,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:44:53" (1/1) ... [2021-11-02 22:44:53,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:44:53,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:44:53,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/sv-benchmarks/c/weaver/chl-word-subst.wvr.c[3345,3358] [2021-11-02 22:44:53,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:44:53,919 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:44:53,977 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/sv-benchmarks/c/weaver/chl-word-subst.wvr.c[3345,3358] [2021-11-02 22:44:53,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:44:54,018 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:44:54,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:44:54 WrapperNode [2021-11-02 22:44:54,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:44:54,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:44:54,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:44:54,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:44:54,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:44:54" (1/1) ... [2021-11-02 22:44:54,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:44:54" (1/1) ... [2021-11-02 22:44:54,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:44:54,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:44:54,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:44:54,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:44:54,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:44:54" (1/1) ... [2021-11-02 22:44:54,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:44:54" (1/1) ... [2021-11-02 22:44:54,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:44:54" (1/1) ... [2021-11-02 22:44:54,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:44:54" (1/1) ... [2021-11-02 22:44:54,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:44:54" (1/1) ... [2021-11-02 22:44:54,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:44:54" (1/1) ... [2021-11-02 22:44:54,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:44:54" (1/1) ... [2021-11-02 22:44:54,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:44:54,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:44:54,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:44:54,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:44:54,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:44:54" (1/1) ... [2021-11-02 22:44:54,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:44:54,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:44:54,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:44:54,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59353fda-3dcc-4b3d-9705-c34813041f5a/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:44:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-02 22:44:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-02 22:44:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-02 22:44:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-02 22:44:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-02 22:44:54,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-02 22:44:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:44:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:44:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:44:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 22:44:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:44:54,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:44:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:44:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:44:54,312 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-02 22:44:54,990 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:44:54,992 INFO L299 CfgBuilder]: Removed 32 assume(true) statements. [2021-11-02 22:44:54,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:44:54 BoogieIcfgContainer [2021-11-02 22:44:55,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:44:55,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:44:55,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:44:55,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:44:55,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:44:53" (1/3) ... [2021-11-02 22:44:55,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a03edcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:44:55, skipping insertion in model container [2021-11-02 22:44:55,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:44:54" (2/3) ... [2021-11-02 22:44:55,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a03edcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:44:55, skipping insertion in model container [2021-11-02 22:44:55,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:44:54" (3/3) ... [2021-11-02 22:44:55,017 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-word-subst.wvr.c [2021-11-02 22:44:55,023 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-02 22:44:55,039 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:44:55,040 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-02 22:44:55,040 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-02 22:44:55,096 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,097 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,098 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,098 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,098 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,099 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,099 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,100 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,100 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,100 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,100 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,101 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,101 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,101 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,102 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,102 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,102 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,103 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,103 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,103 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,105 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,105 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,105 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,106 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,106 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,106 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,106 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,107 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,107 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,107 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,108 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,108 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,108 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,108 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,109 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,109 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,109 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,110 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,110 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,110 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,110 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,111 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,111 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,111 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,112 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,112 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,112 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,112 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,113 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,113 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,113 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,114 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,114 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,114 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,114 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,115 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,115 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,115 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,116 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,116 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,116 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,116 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,117 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,117 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,117 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,117 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,118 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,118 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,118 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,121 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,121 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,121 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,121 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,122 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,122 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,122 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,123 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,123 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,124 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,124 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,125 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,125 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,125 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,126 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,126 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,126 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,128 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,128 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,128 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,129 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,129 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,129 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,129 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,130 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,132 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,132 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,132 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,132 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,133 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,133 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,133 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,133 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,134 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,134 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,134 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,134 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,159 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,159 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,160 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,160 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,160 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,160 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,161 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,161 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,161 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,161 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,162 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,162 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,162 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,162 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,163 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,163 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,163 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,163 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,163 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,164 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,164 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,164 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,164 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,165 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,165 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,165 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,165 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,166 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,166 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,166 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,166 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,167 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,167 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,167 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,167 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,167 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,168 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,168 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,168 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,168 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,169 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,169 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,169 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,169 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,204 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,204 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,205 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,205 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,205 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,206 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,206 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,206 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,207 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,207 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,207 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,207 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,207 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,208 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,208 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,208 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,208 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,209 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,209 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,209 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,209 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,209 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,210 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,210 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,210 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,211 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,211 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,211 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,211 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,211 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,212 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,212 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,212 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,212 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,213 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,213 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,213 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,213 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,214 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,214 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,214 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,214 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,214 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,215 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,215 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,215 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,232 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,232 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,232 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,232 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,232 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,233 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,233 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,233 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,233 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,234 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,234 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,234 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,234 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,234 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,235 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,235 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,235 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,235 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,235 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,236 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,236 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,236 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,236 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,236 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,237 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,237 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,237 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,237 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,238 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,238 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,238 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,238 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,238 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,239 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,239 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,239 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,239 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,240 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,240 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,240 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,240 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,240 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,241 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,241 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,244 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,245 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,245 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,245 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,245 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,245 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,246 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,246 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,246 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,246 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,247 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,268 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,268 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,269 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,270 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,270 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,270 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,270 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,271 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,277 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,278 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,278 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,278 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,279 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,279 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,279 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,279 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,280 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,280 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,280 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:44:55,303 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-02 22:44:55,386 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 22:44:55,393 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 [2021-11-02 22:44:55,393 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-02 22:44:55,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 289 places, 314 transitions, 652 flow [2021-11-02 22:44:55,708 INFO L129 PetriNetUnfolder]: 35/311 cut-off events. [2021-11-02 22:44:55,709 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-02 22:44:55,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 311 events. 35/311 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 507 event pairs, 0 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 240. Up to 3 conditions per place. [2021-11-02 22:44:55,725 INFO L82 GeneralOperation]: Start removeDead. Operand has 289 places, 314 transitions, 652 flow [2021-11-02 22:44:55,747 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 276 places, 301 transitions, 620 flow [2021-11-02 22:44:55,839 INFO L129 PetriNetUnfolder]: 35/300 cut-off events. [2021-11-02 22:44:55,839 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-02 22:44:55,840 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:44:55,841 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] [2021-11-02 22:44:55,841 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:44:55,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:44:55,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1123043227, now seen corresponding path program 1 times [2021-11-02 22:44:55,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:44:55,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253890095] [2021-11-02 22:44:55,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:44:55,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:44:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:44:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:44:56,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:44:56,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253890095] [2021-11-02 22:44:56,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253890095] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:44:56,323 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:44:56,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:44:56,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830927515] [2021-11-02 22:44:56,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 22:44:56,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:44:56,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 22:44:56,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:44:56,364 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 314 [2021-11-02 22:44:56,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 301 transitions, 620 flow. Second operand has 2 states, 2 states have (on average 300.0) internal successors, (600), 2 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:56,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:44:56,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 314 [2021-11-02 22:44:56,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:44:56,438 INFO L129 PetriNetUnfolder]: 21/287 cut-off events. [2021-11-02 22:44:56,438 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-02 22:44:56,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 287 events. 21/287 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 495 event pairs, 0 based on Foata normal form. 14/272 useless extension candidates. Maximal degree in co-relation 296. Up to 3 conditions per place. [2021-11-02 22:44:56,445 INFO L132 encePairwiseOnDemand]: 300/314 looper letters, 0 selfloop transitions, 0 changer transitions 8/287 dead transitions. [2021-11-02 22:44:56,445 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 287 transitions, 592 flow [2021-11-02 22:44:56,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:44:56,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-11-02 22:44:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 612 transitions. [2021-11-02 22:44:56,463 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9745222929936306 [2021-11-02 22:44:56,464 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 612 transitions. [2021-11-02 22:44:56,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 612 transitions. [2021-11-02 22:44:56,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:44:56,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 612 transitions. [2021-11-02 22:44:56,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 306.0) internal successors, (612), 2 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:56,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:56,493 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:56,495 INFO L186 Difference]: Start difference. First operand has 276 places, 301 transitions, 620 flow. Second operand 2 states and 612 transitions. [2021-11-02 22:44:56,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 287 transitions, 592 flow [2021-11-02 22:44:56,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 287 transitions, 580 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-11-02 22:44:56,526 INFO L242 Difference]: Finished difference. Result has 271 places, 279 transitions, 564 flow [2021-11-02 22:44:56,530 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=564, PETRI_PLACES=271, PETRI_TRANSITIONS=279} [2021-11-02 22:44:56,531 INFO L334 CegarLoopForPetriNet]: 276 programPoint places, -5 predicate places. [2021-11-02 22:44:56,532 INFO L470 AbstractCegarLoop]: Abstraction has has 271 places, 279 transitions, 564 flow [2021-11-02 22:44:56,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 300.0) internal successors, (600), 2 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:56,533 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:44:56,534 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] [2021-11-02 22:44:56,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:44:56,535 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:44:56,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:44:56,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1205021829, now seen corresponding path program 1 times [2021-11-02 22:44:56,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:44:56,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566153464] [2021-11-02 22:44:56,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:44:56,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:44:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:44:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:44:56,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:44:56,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566153464] [2021-11-02 22:44:56,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566153464] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:44:56,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:44:56,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:44:56,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372578891] [2021-11-02 22:44:56,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:44:56,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:44:56,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:44:56,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:44:56,891 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 314 [2021-11-02 22:44:56,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 279 transitions, 564 flow. Second operand has 3 states, 3 states have (on average 295.0) internal successors, (885), 3 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:56,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:44:56,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 314 [2021-11-02 22:44:56,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:44:56,992 INFO L129 PetriNetUnfolder]: 20/294 cut-off events. [2021-11-02 22:44:56,993 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-02 22:44:56,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 294 events. 20/294 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 492 event pairs, 0 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 303. Up to 5 conditions per place. [2021-11-02 22:44:56,999 INFO L132 encePairwiseOnDemand]: 311/314 looper letters, 4 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2021-11-02 22:44:56,999 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 280 transitions, 578 flow [2021-11-02 22:44:57,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:44:57,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-02 22:44:57,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 889 transitions. [2021-11-02 22:44:57,005 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9437367303609342 [2021-11-02 22:44:57,005 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 889 transitions. [2021-11-02 22:44:57,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 889 transitions. [2021-11-02 22:44:57,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:44:57,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 889 transitions. [2021-11-02 22:44:57,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:57,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:57,018 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:57,018 INFO L186 Difference]: Start difference. First operand has 271 places, 279 transitions, 564 flow. Second operand 3 states and 889 transitions. [2021-11-02 22:44:57,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 280 transitions, 578 flow [2021-11-02 22:44:57,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 280 transitions, 578 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-02 22:44:57,033 INFO L242 Difference]: Finished difference. Result has 266 places, 279 transitions, 572 flow [2021-11-02 22:44:57,034 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=572, PETRI_PLACES=266, PETRI_TRANSITIONS=279} [2021-11-02 22:44:57,036 INFO L334 CegarLoopForPetriNet]: 276 programPoint places, -10 predicate places. [2021-11-02 22:44:57,036 INFO L470 AbstractCegarLoop]: Abstraction has has 266 places, 279 transitions, 572 flow [2021-11-02 22:44:57,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.0) internal successors, (885), 3 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:57,038 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:44:57,038 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] [2021-11-02 22:44:57,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:44:57,039 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:44:57,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:44:57,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1016747125, now seen corresponding path program 1 times [2021-11-02 22:44:57,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:44:57,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767019788] [2021-11-02 22:44:57,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:44:57,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:44:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:44:57,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:44:57,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:44:57,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767019788] [2021-11-02 22:44:57,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767019788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:44:57,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:44:57,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:44:57,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565611637] [2021-11-02 22:44:57,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:44:57,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:44:57,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:44:57,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:44:57,253 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 314 [2021-11-02 22:44:57,256 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 279 transitions, 572 flow. Second operand has 5 states, 5 states have (on average 283.0) internal successors, (1415), 5 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:57,256 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:44:57,256 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 314 [2021-11-02 22:44:57,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:44:57,778 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([898] thread3EXIT-->L125-2: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem41_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, ULTIMATE.start_main_#t~mem41=|v_ULTIMATE.start_main_#t~mem41_5|, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, ULTIMATE.start_main_#t~mem41=|v_ULTIMATE.start_main_#t~mem41_5|, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][304], [297#(= thread3Thread1of1ForFork2_~stop~2 0), 292#true, 84#L125-2true, 306#(and (<= (+ ~count2~0 1) ~count1~0) (<= (+ ~count2~0 1) ~count3~0))]) [2021-11-02 22:44:57,778 INFO L384 tUnfolder$Statistics]: this new event has 153 ancestors and is not cut-off event [2021-11-02 22:44:57,779 INFO L387 tUnfolder$Statistics]: existing Event has 154 ancestors and is not cut-off event [2021-11-02 22:44:57,779 INFO L387 tUnfolder$Statistics]: existing Event has 154 ancestors and is not cut-off event [2021-11-02 22:44:57,779 INFO L387 tUnfolder$Statistics]: existing Event has 154 ancestors and is not cut-off event [2021-11-02 22:44:57,801 INFO L129 PetriNetUnfolder]: 278/1569 cut-off events. [2021-11-02 22:44:57,801 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-02 22:44:57,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1904 conditions, 1569 events. 278/1569 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 12255 event pairs, 45 based on Foata normal form. 0/1301 useless extension candidates. Maximal degree in co-relation 1899. Up to 102 conditions per place. [2021-11-02 22:44:57,830 INFO L132 encePairwiseOnDemand]: 304/314 looper letters, 41 selfloop transitions, 13 changer transitions 0/315 dead transitions. [2021-11-02 22:44:57,830 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 315 transitions, 752 flow [2021-11-02 22:44:57,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 22:44:57,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-02 22:44:57,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2025 transitions. [2021-11-02 22:44:57,839 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9212920837124658 [2021-11-02 22:44:57,839 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2025 transitions. [2021-11-02 22:44:57,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2025 transitions. [2021-11-02 22:44:57,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:44:57,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2025 transitions. [2021-11-02 22:44:57,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 289.2857142857143) internal successors, (2025), 7 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:57,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 314.0) internal successors, (2512), 8 states have internal predecessors, (2512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:57,859 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 314.0) internal successors, (2512), 8 states have internal predecessors, (2512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:57,859 INFO L186 Difference]: Start difference. First operand has 266 places, 279 transitions, 572 flow. Second operand 7 states and 2025 transitions. [2021-11-02 22:44:57,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 315 transitions, 752 flow [2021-11-02 22:44:57,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 315 transitions, 748 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-02 22:44:57,870 INFO L242 Difference]: Finished difference. Result has 274 places, 292 transitions, 667 flow [2021-11-02 22:44:57,871 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=667, PETRI_PLACES=274, PETRI_TRANSITIONS=292} [2021-11-02 22:44:57,871 INFO L334 CegarLoopForPetriNet]: 276 programPoint places, -2 predicate places. [2021-11-02 22:44:57,872 INFO L470 AbstractCegarLoop]: Abstraction has has 274 places, 292 transitions, 667 flow [2021-11-02 22:44:57,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 283.0) internal successors, (1415), 5 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:57,873 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:44:57,874 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] [2021-11-02 22:44:57,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 22:44:57,874 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:44:57,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:44:57,880 INFO L85 PathProgramCache]: Analyzing trace with hash -641847071, now seen corresponding path program 2 times [2021-11-02 22:44:57,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:44:57,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925400549] [2021-11-02 22:44:57,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:44:57,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:44:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:44:58,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:44:58,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:44:58,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925400549] [2021-11-02 22:44:58,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925400549] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:44:58,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:44:58,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:44:58,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579076800] [2021-11-02 22:44:58,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:44:58,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:44:58,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:44:58,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:44:58,088 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 314 [2021-11-02 22:44:58,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 292 transitions, 667 flow. Second operand has 5 states, 5 states have (on average 283.0) internal successors, (1415), 5 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:58,091 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:44:58,091 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 314 [2021-11-02 22:44:58,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:44:58,740 INFO L129 PetriNetUnfolder]: 379/2691 cut-off events. [2021-11-02 22:44:58,740 INFO L130 PetriNetUnfolder]: For 410/901 co-relation queries the response was YES. [2021-11-02 22:44:58,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3449 conditions, 2691 events. 379/2691 cut-off events. For 410/901 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 26215 event pairs, 44 based on Foata normal form. 6/2450 useless extension candidates. Maximal degree in co-relation 3440. Up to 123 conditions per place. [2021-11-02 22:44:58,785 INFO L132 encePairwiseOnDemand]: 306/314 looper letters, 56 selfloop transitions, 14 changer transitions 0/331 dead transitions. [2021-11-02 22:44:58,786 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 331 transitions, 985 flow [2021-11-02 22:44:58,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:44:58,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-02 22:44:58,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1453 transitions. [2021-11-02 22:44:58,793 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9254777070063694 [2021-11-02 22:44:58,793 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1453 transitions. [2021-11-02 22:44:58,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1453 transitions. [2021-11-02 22:44:58,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:44:58,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1453 transitions. [2021-11-02 22:44:58,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 290.6) internal successors, (1453), 5 states have internal predecessors, (1453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:58,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 314.0) internal successors, (1884), 6 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:58,810 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 314.0) internal successors, (1884), 6 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:58,810 INFO L186 Difference]: Start difference. First operand has 274 places, 292 transitions, 667 flow. Second operand 5 states and 1453 transitions. [2021-11-02 22:44:58,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 331 transitions, 985 flow [2021-11-02 22:44:58,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 331 transitions, 985 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-02 22:44:58,825 INFO L242 Difference]: Finished difference. Result has 282 places, 304 transitions, 799 flow [2021-11-02 22:44:58,826 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=667, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=799, PETRI_PLACES=282, PETRI_TRANSITIONS=304} [2021-11-02 22:44:58,826 INFO L334 CegarLoopForPetriNet]: 276 programPoint places, 6 predicate places. [2021-11-02 22:44:58,826 INFO L470 AbstractCegarLoop]: Abstraction has has 282 places, 304 transitions, 799 flow [2021-11-02 22:44:58,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 283.0) internal successors, (1415), 5 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:58,828 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:44:58,828 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] [2021-11-02 22:44:58,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 22:44:58,829 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:44:58,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:44:58,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1486319883, now seen corresponding path program 1 times [2021-11-02 22:44:58,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:44:58,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264354858] [2021-11-02 22:44:58,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:44:58,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:44:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:44:58,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:44:58,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:44:58,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264354858] [2021-11-02 22:44:58,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264354858] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:44:58,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:44:58,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:44:58,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968259797] [2021-11-02 22:44:58,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:44:58,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:44:58,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:44:58,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:44:58,942 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 314 [2021-11-02 22:44:58,944 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 304 transitions, 799 flow. Second operand has 3 states, 3 states have (on average 295.0) internal successors, (885), 3 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:58,945 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:44:58,945 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 314 [2021-11-02 22:44:58,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:44:59,271 INFO L129 PetriNetUnfolder]: 150/1562 cut-off events. [2021-11-02 22:44:59,271 INFO L130 PetriNetUnfolder]: For 252/405 co-relation queries the response was YES. [2021-11-02 22:44:59,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1927 conditions, 1562 events. 150/1562 cut-off events. For 252/405 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 12479 event pairs, 13 based on Foata normal form. 2/1415 useless extension candidates. Maximal degree in co-relation 1914. Up to 57 conditions per place. [2021-11-02 22:44:59,295 INFO L132 encePairwiseOnDemand]: 311/314 looper letters, 4 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2021-11-02 22:44:59,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 305 transitions, 813 flow [2021-11-02 22:44:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:44:59,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-02 22:44:59,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 889 transitions. [2021-11-02 22:44:59,299 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9437367303609342 [2021-11-02 22:44:59,300 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 889 transitions. [2021-11-02 22:44:59,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 889 transitions. [2021-11-02 22:44:59,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:44:59,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 889 transitions. [2021-11-02 22:44:59,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:59,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:59,310 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:59,310 INFO L186 Difference]: Start difference. First operand has 282 places, 304 transitions, 799 flow. Second operand 3 states and 889 transitions. [2021-11-02 22:44:59,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 305 transitions, 813 flow [2021-11-02 22:44:59,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 305 transitions, 813 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-02 22:44:59,324 INFO L242 Difference]: Finished difference. Result has 285 places, 304 transitions, 807 flow [2021-11-02 22:44:59,325 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=807, PETRI_PLACES=285, PETRI_TRANSITIONS=304} [2021-11-02 22:44:59,326 INFO L334 CegarLoopForPetriNet]: 276 programPoint places, 9 predicate places. [2021-11-02 22:44:59,327 INFO L470 AbstractCegarLoop]: Abstraction has has 285 places, 304 transitions, 807 flow [2021-11-02 22:44:59,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.0) internal successors, (885), 3 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:59,328 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:44:59,328 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] [2021-11-02 22:44:59,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 22:44:59,328 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:44:59,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:44:59,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1403472965, now seen corresponding path program 1 times [2021-11-02 22:44:59,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:44:59,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668956133] [2021-11-02 22:44:59,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:44:59,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:44:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:44:59,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:44:59,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:44:59,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668956133] [2021-11-02 22:44:59,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668956133] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:44:59,417 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:44:59,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:44:59,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504203972] [2021-11-02 22:44:59,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:44:59,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:44:59,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:44:59,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:44:59,421 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 314 [2021-11-02 22:44:59,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 304 transitions, 807 flow. Second operand has 4 states, 4 states have (on average 283.5) internal successors, (1134), 4 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:59,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:44:59,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 314 [2021-11-02 22:44:59,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:45:00,322 INFO L129 PetriNetUnfolder]: 327/2816 cut-off events. [2021-11-02 22:45:00,322 INFO L130 PetriNetUnfolder]: For 1143/2653 co-relation queries the response was YES. [2021-11-02 22:45:00,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3893 conditions, 2816 events. 327/2816 cut-off events. For 1143/2653 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 27331 event pairs, 73 based on Foata normal form. 5/2599 useless extension candidates. Maximal degree in co-relation 3878. Up to 189 conditions per place. [2021-11-02 22:45:00,376 INFO L132 encePairwiseOnDemand]: 309/314 looper letters, 52 selfloop transitions, 14 changer transitions 0/327 dead transitions. [2021-11-02 22:45:00,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 327 transitions, 1082 flow [2021-11-02 22:45:00,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:45:00,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-02 22:45:00,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1154 transitions. [2021-11-02 22:45:00,382 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9187898089171974 [2021-11-02 22:45:00,382 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1154 transitions. [2021-11-02 22:45:00,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1154 transitions. [2021-11-02 22:45:00,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:45:00,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1154 transitions. [2021-11-02 22:45:00,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 288.5) internal successors, (1154), 4 states have internal predecessors, (1154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:00,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 314.0) internal successors, (1570), 5 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:00,393 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 314.0) internal successors, (1570), 5 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:00,393 INFO L186 Difference]: Start difference. First operand has 285 places, 304 transitions, 807 flow. Second operand 4 states and 1154 transitions. [2021-11-02 22:45:00,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 327 transitions, 1082 flow [2021-11-02 22:45:00,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 327 transitions, 1078 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-02 22:45:00,408 INFO L242 Difference]: Finished difference. Result has 288 places, 308 transitions, 891 flow [2021-11-02 22:45:00,409 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=891, PETRI_PLACES=288, PETRI_TRANSITIONS=308} [2021-11-02 22:45:00,409 INFO L334 CegarLoopForPetriNet]: 276 programPoint places, 12 predicate places. [2021-11-02 22:45:00,409 INFO L470 AbstractCegarLoop]: Abstraction has has 288 places, 308 transitions, 891 flow [2021-11-02 22:45:00,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 283.5) internal successors, (1134), 4 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:00,410 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:45:00,411 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] [2021-11-02 22:45:00,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-02 22:45:00,411 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:45:00,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:45:00,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1306096223, now seen corresponding path program 2 times [2021-11-02 22:45:00,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:45:00,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600591869] [2021-11-02 22:45:00,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:45:00,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:45:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:45:00,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:45:00,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:45:00,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600591869] [2021-11-02 22:45:00,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600591869] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:45:00,484 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:45:00,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:45:00,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937271] [2021-11-02 22:45:00,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:45:00,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:45:00,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:45:00,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:45:00,489 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 314 [2021-11-02 22:45:00,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 308 transitions, 891 flow. Second operand has 4 states, 4 states have (on average 283.5) internal successors, (1134), 4 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:00,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:45:00,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 314 [2021-11-02 22:45:00,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:45:01,409 INFO L129 PetriNetUnfolder]: 399/3843 cut-off events. [2021-11-02 22:45:01,409 INFO L130 PetriNetUnfolder]: For 1732/3353 co-relation queries the response was YES. [2021-11-02 22:45:01,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5107 conditions, 3843 events. 399/3843 cut-off events. For 1732/3353 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 41526 event pairs, 43 based on Foata normal form. 9/3554 useless extension candidates. Maximal degree in co-relation 5090. Up to 126 conditions per place. [2021-11-02 22:45:01,464 INFO L132 encePairwiseOnDemand]: 306/314 looper letters, 65 selfloop transitions, 29 changer transitions 0/355 dead transitions. [2021-11-02 22:45:01,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 355 transitions, 1461 flow [2021-11-02 22:45:01,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:45:01,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-02 22:45:01,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1451 transitions. [2021-11-02 22:45:01,470 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.924203821656051 [2021-11-02 22:45:01,471 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1451 transitions. [2021-11-02 22:45:01,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1451 transitions. [2021-11-02 22:45:01,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:45:01,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1451 transitions. [2021-11-02 22:45:01,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 290.2) internal successors, (1451), 5 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:01,482 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 314.0) internal successors, (1884), 6 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:01,484 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 314.0) internal successors, (1884), 6 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:01,484 INFO L186 Difference]: Start difference. First operand has 288 places, 308 transitions, 891 flow. Second operand 5 states and 1451 transitions. [2021-11-02 22:45:01,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 355 transitions, 1461 flow [2021-11-02 22:45:01,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 355 transitions, 1441 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-02 22:45:01,504 INFO L242 Difference]: Finished difference. Result has 294 places, 328 transitions, 1187 flow [2021-11-02 22:45:01,505 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=881, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1187, PETRI_PLACES=294, PETRI_TRANSITIONS=328} [2021-11-02 22:45:01,505 INFO L334 CegarLoopForPetriNet]: 276 programPoint places, 18 predicate places. [2021-11-02 22:45:01,506 INFO L470 AbstractCegarLoop]: Abstraction has has 294 places, 328 transitions, 1187 flow [2021-11-02 22:45:01,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 283.5) internal successors, (1134), 4 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:01,506 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:45:01,507 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] [2021-11-02 22:45:01,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-02 22:45:01,507 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:45:01,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:45:01,508 INFO L85 PathProgramCache]: Analyzing trace with hash 502045771, now seen corresponding path program 1 times [2021-11-02 22:45:01,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:45:01,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678468767] [2021-11-02 22:45:01,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:45:01,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:45:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:45:01,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:45:01,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:45:01,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678468767] [2021-11-02 22:45:01,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678468767] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:45:01,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:45:01,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:45:01,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913624888] [2021-11-02 22:45:01,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:45:01,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:45:01,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:45:01,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:45:01,666 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 314 [2021-11-02 22:45:01,669 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 328 transitions, 1187 flow. Second operand has 5 states, 5 states have (on average 283.0) internal successors, (1415), 5 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:01,669 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:45:01,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 314 [2021-11-02 22:45:01,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:45:02,605 INFO L129 PetriNetUnfolder]: 383/3766 cut-off events. [2021-11-02 22:45:02,605 INFO L130 PetriNetUnfolder]: For 3190/6348 co-relation queries the response was YES. [2021-11-02 22:45:02,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5431 conditions, 3766 events. 383/3766 cut-off events. For 3190/6348 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 40345 event pairs, 32 based on Foata normal form. 4/3487 useless extension candidates. Maximal degree in co-relation 5411. Up to 128 conditions per place. [2021-11-02 22:45:02,671 INFO L132 encePairwiseOnDemand]: 307/314 looper letters, 79 selfloop transitions, 27 changer transitions 0/367 dead transitions. [2021-11-02 22:45:02,671 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 367 transitions, 1804 flow [2021-11-02 22:45:02,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:45:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-02 22:45:02,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1447 transitions. [2021-11-02 22:45:02,678 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.921656050955414 [2021-11-02 22:45:02,678 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1447 transitions. [2021-11-02 22:45:02,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1447 transitions. [2021-11-02 22:45:02,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:45:02,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1447 transitions. [2021-11-02 22:45:02,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 289.4) internal successors, (1447), 5 states have internal predecessors, (1447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:02,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 314.0) internal successors, (1884), 6 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:02,692 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 314.0) internal successors, (1884), 6 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:02,692 INFO L186 Difference]: Start difference. First operand has 294 places, 328 transitions, 1187 flow. Second operand 5 states and 1447 transitions. [2021-11-02 22:45:02,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 367 transitions, 1804 flow [2021-11-02 22:45:02,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 367 transitions, 1798 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-11-02 22:45:02,726 INFO L242 Difference]: Finished difference. Result has 301 places, 344 transitions, 1513 flow [2021-11-02 22:45:02,727 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=1183, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1513, PETRI_PLACES=301, PETRI_TRANSITIONS=344} [2021-11-02 22:45:02,727 INFO L334 CegarLoopForPetriNet]: 276 programPoint places, 25 predicate places. [2021-11-02 22:45:02,728 INFO L470 AbstractCegarLoop]: Abstraction has has 301 places, 344 transitions, 1513 flow [2021-11-02 22:45:02,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 283.0) internal successors, (1415), 5 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:02,729 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:45:02,729 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] [2021-11-02 22:45:02,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-02 22:45:02,730 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:45:02,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:45:02,731 INFO L85 PathProgramCache]: Analyzing trace with hash -2003762643, now seen corresponding path program 1 times [2021-11-02 22:45:02,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:45:02,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851166381] [2021-11-02 22:45:02,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:45:02,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:45:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:45:02,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:45:02,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:45:02,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851166381] [2021-11-02 22:45:02,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851166381] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:45:02,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:45:02,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:45:02,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081063869] [2021-11-02 22:45:02,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:45:02,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:45:02,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:45:02,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:45:02,798 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 314 [2021-11-02 22:45:02,800 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 344 transitions, 1513 flow. Second operand has 3 states, 3 states have (on average 295.0) internal successors, (885), 3 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:02,800 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:45:02,801 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 314 [2021-11-02 22:45:02,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:45:03,843 INFO L129 PetriNetUnfolder]: 216/3408 cut-off events. [2021-11-02 22:45:03,843 INFO L130 PetriNetUnfolder]: For 2330/2895 co-relation queries the response was YES. [2021-11-02 22:45:03,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4428 conditions, 3408 events. 216/3408 cut-off events. For 2330/2895 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 36064 event pairs, 9 based on Foata normal form. 7/3172 useless extension candidates. Maximal degree in co-relation 4404. Up to 109 conditions per place. [2021-11-02 22:45:03,900 INFO L132 encePairwiseOnDemand]: 311/314 looper letters, 4 selfloop transitions, 2 changer transitions 0/345 dead transitions. [2021-11-02 22:45:03,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 345 transitions, 1527 flow [2021-11-02 22:45:03,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:45:03,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-02 22:45:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 889 transitions. [2021-11-02 22:45:03,905 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9437367303609342 [2021-11-02 22:45:03,906 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 889 transitions. [2021-11-02 22:45:03,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 889 transitions. [2021-11-02 22:45:03,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:45:03,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 889 transitions. [2021-11-02 22:45:03,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:03,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:03,915 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:03,916 INFO L186 Difference]: Start difference. First operand has 301 places, 344 transitions, 1513 flow. Second operand 3 states and 889 transitions. [2021-11-02 22:45:03,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 345 transitions, 1527 flow [2021-11-02 22:45:03,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 345 transitions, 1515 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-11-02 22:45:03,941 INFO L242 Difference]: Finished difference. Result has 303 places, 344 transitions, 1509 flow [2021-11-02 22:45:03,942 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=1501, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1509, PETRI_PLACES=303, PETRI_TRANSITIONS=344} [2021-11-02 22:45:03,943 INFO L334 CegarLoopForPetriNet]: 276 programPoint places, 27 predicate places. [2021-11-02 22:45:03,943 INFO L470 AbstractCegarLoop]: Abstraction has has 303 places, 344 transitions, 1509 flow [2021-11-02 22:45:03,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.0) internal successors, (885), 3 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:03,944 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:45:03,944 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] [2021-11-02 22:45:03,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-02 22:45:03,945 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:45:03,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:45:03,946 INFO L85 PathProgramCache]: Analyzing trace with hash 2113421219, now seen corresponding path program 1 times [2021-11-02 22:45:03,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:45:03,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972804378] [2021-11-02 22:45:03,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:45:03,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:45:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:45:04,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:45:04,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:45:04,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972804378] [2021-11-02 22:45:04,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972804378] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:45:04,057 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:45:04,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:45:04,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789918245] [2021-11-02 22:45:04,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:45:04,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:45:04,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:45:04,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:45:04,065 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 314 [2021-11-02 22:45:04,067 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 344 transitions, 1509 flow. Second operand has 5 states, 5 states have (on average 283.0) internal successors, (1415), 5 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:04,067 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:45:04,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 314 [2021-11-02 22:45:04,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:45:05,092 INFO L129 PetriNetUnfolder]: 395/4655 cut-off events. [2021-11-02 22:45:05,093 INFO L130 PetriNetUnfolder]: For 4305/7504 co-relation queries the response was YES. [2021-11-02 22:45:05,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6677 conditions, 4655 events. 395/4655 cut-off events. For 4305/7504 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 52907 event pairs, 43 based on Foata normal form. 24/4364 useless extension candidates. Maximal degree in co-relation 6652. Up to 127 conditions per place. [2021-11-02 22:45:05,164 INFO L132 encePairwiseOnDemand]: 306/314 looper letters, 69 selfloop transitions, 50 changer transitions 0/380 dead transitions. [2021-11-02 22:45:05,164 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 380 transitions, 2142 flow [2021-11-02 22:45:05,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:45:05,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-02 22:45:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1453 transitions. [2021-11-02 22:45:05,171 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9254777070063694 [2021-11-02 22:45:05,171 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1453 transitions. [2021-11-02 22:45:05,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1453 transitions. [2021-11-02 22:45:05,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:45:05,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1453 transitions. [2021-11-02 22:45:05,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 290.6) internal successors, (1453), 5 states have internal predecessors, (1453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:05,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 314.0) internal successors, (1884), 6 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:05,186 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 314.0) internal successors, (1884), 6 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:05,186 INFO L186 Difference]: Start difference. First operand has 303 places, 344 transitions, 1509 flow. Second operand 5 states and 1453 transitions. [2021-11-02 22:45:05,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 380 transitions, 2142 flow [2021-11-02 22:45:05,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 380 transitions, 2138 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-02 22:45:05,224 INFO L242 Difference]: Finished difference. Result has 309 places, 361 transitions, 1966 flow [2021-11-02 22:45:05,225 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=1505, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1966, PETRI_PLACES=309, PETRI_TRANSITIONS=361} [2021-11-02 22:45:05,226 INFO L334 CegarLoopForPetriNet]: 276 programPoint places, 33 predicate places. [2021-11-02 22:45:05,226 INFO L470 AbstractCegarLoop]: Abstraction has has 309 places, 361 transitions, 1966 flow [2021-11-02 22:45:05,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 283.0) internal successors, (1415), 5 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:05,228 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:45:05,228 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] [2021-11-02 22:45:05,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-02 22:45:05,229 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:45:05,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:45:05,229 INFO L85 PathProgramCache]: Analyzing trace with hash 804407069, now seen corresponding path program 1 times [2021-11-02 22:45:05,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:45:05,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329819685] [2021-11-02 22:45:05,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:45:05,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:45:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:45:06,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:45:06,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:45:06,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329819685] [2021-11-02 22:45:06,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329819685] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:45:06,811 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:45:06,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-11-02 22:45:06,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715596792] [2021-11-02 22:45:06,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-02 22:45:06,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:45:06,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-02 22:45:06,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2021-11-02 22:45:06,827 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 314 [2021-11-02 22:45:06,836 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 361 transitions, 1966 flow. Second operand has 25 states, 25 states have (on average 207.6) internal successors, (5190), 25 states have internal predecessors, (5190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:06,836 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:45:06,836 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 314 [2021-11-02 22:45:06,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:45:26,384 INFO L129 PetriNetUnfolder]: 15157/76943 cut-off events. [2021-11-02 22:45:26,384 INFO L130 PetriNetUnfolder]: For 18930/23085 co-relation queries the response was YES. [2021-11-02 22:45:27,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110140 conditions, 76943 events. 15157/76943 cut-off events. For 18930/23085 co-relation queries the response was YES. Maximal size of possible extension queue 3510. Compared 1322772 event pairs, 8283 based on Foata normal form. 48/66258 useless extension candidates. Maximal degree in co-relation 110112. Up to 4967 conditions per place. [2021-11-02 22:45:27,268 INFO L132 encePairwiseOnDemand]: 275/314 looper letters, 239 selfloop transitions, 42 changer transitions 9/565 dead transitions. [2021-11-02 22:45:27,268 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 565 transitions, 2954 flow [2021-11-02 22:45:27,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-02 22:45:27,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-11-02 22:45:27,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 9106 transitions. [2021-11-02 22:45:27,302 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6744186046511628 [2021-11-02 22:45:27,302 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 9106 transitions. [2021-11-02 22:45:27,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 9106 transitions. [2021-11-02 22:45:27,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:45:27,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 9106 transitions. [2021-11-02 22:45:27,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 211.7674418604651) internal successors, (9106), 43 states have internal predecessors, (9106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:27,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 314.0) internal successors, (13816), 44 states have internal predecessors, (13816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:27,375 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 314.0) internal successors, (13816), 44 states have internal predecessors, (13816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:27,375 INFO L186 Difference]: Start difference. First operand has 309 places, 361 transitions, 1966 flow. Second operand 43 states and 9106 transitions. [2021-11-02 22:45:27,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 565 transitions, 2954 flow [2021-11-02 22:45:27,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 565 transitions, 2928 flow, removed 13 selfloop flow, removed 0 redundant places. [2021-11-02 22:45:27,477 INFO L242 Difference]: Finished difference. Result has 370 places, 391 transitions, 2173 flow [2021-11-02 22:45:27,478 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=1940, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=2173, PETRI_PLACES=370, PETRI_TRANSITIONS=391} [2021-11-02 22:45:27,478 INFO L334 CegarLoopForPetriNet]: 276 programPoint places, 94 predicate places. [2021-11-02 22:45:27,479 INFO L470 AbstractCegarLoop]: Abstraction has has 370 places, 391 transitions, 2173 flow [2021-11-02 22:45:27,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 207.6) internal successors, (5190), 25 states have internal predecessors, (5190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:27,480 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:45:27,480 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] [2021-11-02 22:45:27,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-02 22:45:27,481 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:45:27,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:45:27,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1525113939, now seen corresponding path program 2 times [2021-11-02 22:45:27,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:45:27,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620956473] [2021-11-02 22:45:27,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:45:27,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:45:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:45:28,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:45:28,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:45:28,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620956473] [2021-11-02 22:45:28,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620956473] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:45:28,311 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:45:28,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-02 22:45:28,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597201122] [2021-11-02 22:45:28,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-02 22:45:28,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:45:28,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-02 22:45:28,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2021-11-02 22:45:28,319 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 314 [2021-11-02 22:45:28,324 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 391 transitions, 2173 flow. Second operand has 22 states, 22 states have (on average 207.95454545454547) internal successors, (4575), 22 states have internal predecessors, (4575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:28,324 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:45:28,325 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 314 [2021-11-02 22:45:28,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:45:52,239 INFO L129 PetriNetUnfolder]: 18173/99705 cut-off events. [2021-11-02 22:45:52,239 INFO L130 PetriNetUnfolder]: For 28538/32511 co-relation queries the response was YES. [2021-11-02 22:45:53,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 153930 conditions, 99705 events. 18173/99705 cut-off events. For 28538/32511 co-relation queries the response was YES. Maximal size of possible extension queue 4611. Compared 1794849 event pairs, 9378 based on Foata normal form. 72/86902 useless extension candidates. Maximal degree in co-relation 153882. Up to 14829 conditions per place. [2021-11-02 22:45:54,194 INFO L132 encePairwiseOnDemand]: 288/314 looper letters, 141 selfloop transitions, 34 changer transitions 10/460 dead transitions. [2021-11-02 22:45:54,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 460 transitions, 2759 flow [2021-11-02 22:45:54,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-02 22:45:54,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-11-02 22:45:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 5278 transitions. [2021-11-02 22:45:54,210 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6723566878980892 [2021-11-02 22:45:54,211 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 5278 transitions. [2021-11-02 22:45:54,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 5278 transitions. [2021-11-02 22:45:54,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:45:54,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 5278 transitions. [2021-11-02 22:45:54,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 211.12) internal successors, (5278), 25 states have internal predecessors, (5278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:54,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 314.0) internal successors, (8164), 26 states have internal predecessors, (8164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:54,252 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 314.0) internal successors, (8164), 26 states have internal predecessors, (8164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:54,252 INFO L186 Difference]: Start difference. First operand has 370 places, 391 transitions, 2173 flow. Second operand 25 states and 5278 transitions. [2021-11-02 22:45:54,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 460 transitions, 2759 flow [2021-11-02 22:45:55,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 460 transitions, 2689 flow, removed 29 selfloop flow, removed 12 redundant places. [2021-11-02 22:45:55,902 INFO L242 Difference]: Finished difference. Result has 386 places, 396 transitions, 2287 flow [2021-11-02 22:45:55,903 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=2149, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=2287, PETRI_PLACES=386, PETRI_TRANSITIONS=396} [2021-11-02 22:45:55,903 INFO L334 CegarLoopForPetriNet]: 276 programPoint places, 110 predicate places. [2021-11-02 22:45:55,903 INFO L470 AbstractCegarLoop]: Abstraction has has 386 places, 396 transitions, 2287 flow [2021-11-02 22:45:55,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 207.95454545454547) internal successors, (4575), 22 states have internal predecessors, (4575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:55,905 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:45:55,905 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] [2021-11-02 22:45:55,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-02 22:45:55,906 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:45:55,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:45:55,906 INFO L85 PathProgramCache]: Analyzing trace with hash 313690099, now seen corresponding path program 3 times [2021-11-02 22:45:55,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:45:55,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913932444] [2021-11-02 22:45:55,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:45:55,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:45:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:45:56,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:45:56,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:45:56,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913932444] [2021-11-02 22:45:56,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913932444] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:45:56,966 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:45:56,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-11-02 22:45:56,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795600450] [2021-11-02 22:45:56,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-02 22:45:56,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:45:56,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-02 22:45:56,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2021-11-02 22:45:56,978 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 314 [2021-11-02 22:45:56,987 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 396 transitions, 2287 flow. Second operand has 27 states, 27 states have (on average 210.37037037037038) internal successors, (5680), 27 states have internal predecessors, (5680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:45:56,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:45:56,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 314 [2021-11-02 22:45:56,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand