./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i --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_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/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_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/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_59350940-fcd6-4700-9fcb-5a93cb0c0876/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 dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:25:01,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:25:01,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:25:01,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:25:01,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:25:01,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:25:01,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:25:01,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:25:01,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:25:01,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:25:01,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:25:01,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:25:01,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:25:01,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:25:01,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:25:01,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:25:01,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:25:01,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:25:01,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:25:01,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:25:01,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:25:01,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:25:01,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:25:01,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:25:01,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:25:01,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:25:01,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:25:01,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:25:01,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:25:01,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:25:01,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:25:01,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:25:01,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:25:01,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:25:01,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:25:01,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:25:01,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:25:01,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:25:01,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:25:01,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:25:01,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:25:01,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-02 22:25:01,288 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:25:01,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:25:01,289 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:25:01,290 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:25:01,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:25:01,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:25:01,298 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:25:01,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:25:01,298 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:25:01,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:25:01,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:25:01,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:25:01,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:25:01,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:25:01,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:25:01,301 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:25:01,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:25:01,301 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:25:01,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:25:01,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:25:01,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:25:01,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:25:01,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:25:01,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:25:01,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:25:01,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:25:01,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:25:01,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:25:01,304 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:25:01,305 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:25:01,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:25:01,306 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:25:01,306 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_59350940-fcd6-4700-9fcb-5a93cb0c0876/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 [2021-11-02 22:25:01,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:25:01,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:25:01,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:25:01,662 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:25:01,663 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:25:01,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2021-11-02 22:25:01,736 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/data/d223d717b/9d2a7a01bfe24e1090be16028b9aa7ee/FLAG1b3dc80ac [2021-11-02 22:25:02,441 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:25:02,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2021-11-02 22:25:02,480 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/data/d223d717b/9d2a7a01bfe24e1090be16028b9aa7ee/FLAG1b3dc80ac [2021-11-02 22:25:02,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/data/d223d717b/9d2a7a01bfe24e1090be16028b9aa7ee [2021-11-02 22:25:02,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:25:02,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:25:02,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:25:02,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:25:02,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:25:02,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:25:02" (1/1) ... [2021-11-02 22:25:02,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e476e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:25:02, skipping insertion in model container [2021-11-02 22:25:02,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:25:02" (1/1) ... [2021-11-02 22:25:02,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:25:02,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:25:03,368 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_59350940-fcd6-4700-9fcb-5a93cb0c0876/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2021-11-02 22:25:03,384 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-02 22:25:03,385 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-02 22:25:03,385 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-02 22:25:03,386 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-02 22:25:03,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:25:03,450 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:25:03,485 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_59350940-fcd6-4700-9fcb-5a93cb0c0876/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2021-11-02 22:25:03,489 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-02 22:25:03,489 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-02 22:25:03,490 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-02 22:25:03,490 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-02 22:25:03,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:25:03,577 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:25:03,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:25:03 WrapperNode [2021-11-02 22:25:03,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:25:03,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:25:03,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:25:03,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:25:03,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:25:03" (1/1) ... [2021-11-02 22:25:03,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:25:03" (1/1) ... [2021-11-02 22:25:03,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:25:03,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:25:03,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:25:03,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:25:03,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:25:03" (1/1) ... [2021-11-02 22:25:03,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:25:03" (1/1) ... [2021-11-02 22:25:03,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:25:03" (1/1) ... [2021-11-02 22:25:03,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:25:03" (1/1) ... [2021-11-02 22:25:03,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:25:03" (1/1) ... [2021-11-02 22:25:03,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:25:03" (1/1) ... [2021-11-02 22:25:03,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:25:03" (1/1) ... [2021-11-02 22:25:03,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:25:03,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:25:03,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:25:03,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:25:03,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:25:03" (1/1) ... [2021-11-02 22:25:03,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:25:03,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:25:03,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:25:03,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:25:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:25:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 22:25:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:25:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:25:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:25:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-02 22:25:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 22:25:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 22:25:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-02 22:25:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-02 22:25:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:25:03,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:25:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:25:03,822 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 22:25:04,503 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:25:04,504 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-02 22:25:04,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:25:04 BoogieIcfgContainer [2021-11-02 22:25:04,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:25:04,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:25:04,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:25:04,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:25:04,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:25:02" (1/3) ... [2021-11-02 22:25:04,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0ba652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:25:04, skipping insertion in model container [2021-11-02 22:25:04,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:25:03" (2/3) ... [2021-11-02 22:25:04,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0ba652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:25:04, skipping insertion in model container [2021-11-02 22:25:04,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:25:04" (3/3) ... [2021-11-02 22:25:04,526 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i [2021-11-02 22:25:04,534 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-02 22:25:04,535 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:25:04,535 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-02 22:25:04,535 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-02 22:25:04,617 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,617 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,618 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,618 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,619 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,619 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,619 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,620 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,620 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,620 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,621 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,621 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,621 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,622 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,622 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,623 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,623 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,623 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,624 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,624 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,624 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,624 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,624 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,625 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,625 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,625 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,625 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,626 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,626 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,626 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,626 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,626 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,627 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,627 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,627 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,627 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,628 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,628 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,628 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,629 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,630 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,630 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,630 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,631 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,632 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,633 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,633 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,634 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,634 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,635 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,636 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,636 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,636 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,636 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,637 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,637 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,637 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,637 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,638 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,638 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,638 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,638 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,639 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,639 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,639 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,639 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,640 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,640 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,640 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,641 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,641 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,641 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,641 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,642 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,642 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,642 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,642 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,644 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,644 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,644 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,644 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,645 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,645 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,645 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,645 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,646 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,646 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,646 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,646 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,647 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,647 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,647 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,647 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,647 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,648 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,648 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,648 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,648 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,649 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,649 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,649 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,649 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,649 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,650 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,650 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,650 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,651 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,651 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,651 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,651 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,651 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,652 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,652 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,652 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,652 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,653 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,653 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,653 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,653 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,654 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,654 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,654 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,654 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,654 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,655 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,655 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,655 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,656 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,656 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,656 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,656 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,657 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,657 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,657 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,658 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,658 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,658 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,658 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,659 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,659 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,659 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,660 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,660 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,660 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,660 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,661 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,661 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,661 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,661 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,662 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,662 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,662 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,662 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,663 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,663 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,663 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,663 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,664 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,664 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,664 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,665 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,665 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,665 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,665 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,666 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,666 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,666 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,666 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,667 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,667 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,667 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,667 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,668 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,668 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,668 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,668 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,669 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,669 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,669 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,670 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,670 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,676 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,678 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,678 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,678 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,679 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,680 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,681 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,681 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,681 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,682 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,682 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,682 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,682 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,683 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,683 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,683 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,684 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,684 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,684 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,684 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,685 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:25:04,693 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-02 22:25:04,754 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 22:25:04,762 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 22:25:04,763 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-02 22:25:04,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 204 places, 227 transitions, 462 flow [2021-11-02 22:25:04,891 INFO L129 PetriNetUnfolder]: 28/243 cut-off events. [2021-11-02 22:25:04,891 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2021-11-02 22:25:04,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 243 events. 28/243 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 399 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 130. Up to 4 conditions per place. [2021-11-02 22:25:04,901 INFO L82 GeneralOperation]: Start removeDead. Operand has 204 places, 227 transitions, 462 flow [2021-11-02 22:25:04,911 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 200 places, 222 transitions, 449 flow [2021-11-02 22:25:04,988 INFO L129 PetriNetUnfolder]: 11/160 cut-off events. [2021-11-02 22:25:04,988 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-02 22:25:04,989 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:25:04,990 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:25:04,992 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:25:05,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:25:05,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1001821259, now seen corresponding path program 1 times [2021-11-02 22:25:05,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:25:05,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258726245] [2021-11-02 22:25:05,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:25:05,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:25:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:25:05,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-02 22:25:05,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:25:05,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258726245] [2021-11-02 22:25:05,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258726245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:25:05,444 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:25:05,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:25:05,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543963534] [2021-11-02 22:25:05,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 22:25:05,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:25:05,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 22:25:05,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:25:05,483 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 227 [2021-11-02 22:25:05,488 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 222 transitions, 449 flow. Second operand has 2 states, 2 states have (on average 206.5) internal successors, (413), 2 states have internal predecessors, (413), 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 22:25:05,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:25:05,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 227 [2021-11-02 22:25:05,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:25:05,545 INFO L129 PetriNetUnfolder]: 5/215 cut-off events. [2021-11-02 22:25:05,546 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-02 22:25:05,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 215 events. 5/215 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 252 event pairs, 0 based on Foata normal form. 22/224 useless extension candidates. Maximal degree in co-relation 218. Up to 2 conditions per place. [2021-11-02 22:25:05,549 INFO L132 encePairwiseOnDemand]: 207/227 looper letters, 0 selfloop transitions, 0 changer transitions 2/201 dead transitions. [2021-11-02 22:25:05,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 201 transitions, 407 flow [2021-11-02 22:25:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:25:05,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-11-02 22:25:05,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 432 transitions. [2021-11-02 22:25:05,569 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9515418502202643 [2021-11-02 22:25:05,570 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 432 transitions. [2021-11-02 22:25:05,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 432 transitions. [2021-11-02 22:25:05,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:25:05,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 432 transitions. [2021-11-02 22:25:05,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 216.0) internal successors, (432), 2 states have internal predecessors, (432), 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 22:25:05,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 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 22:25:05,592 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 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 22:25:05,595 INFO L186 Difference]: Start difference. First operand has 200 places, 222 transitions, 449 flow. Second operand 2 states and 432 transitions. [2021-11-02 22:25:05,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 201 transitions, 407 flow [2021-11-02 22:25:05,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 201 transitions, 407 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-02 22:25:05,609 INFO L242 Difference]: Finished difference. Result has 200 places, 199 transitions, 403 flow [2021-11-02 22:25:05,612 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=403, PETRI_PLACES=200, PETRI_TRANSITIONS=199} [2021-11-02 22:25:05,613 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, 0 predicate places. [2021-11-02 22:25:05,614 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 199 transitions, 403 flow [2021-11-02 22:25:05,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 206.5) internal successors, (413), 2 states have internal predecessors, (413), 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 22:25:05,615 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:25:05,615 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:25:05,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:25:05,616 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:25:05,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:25:05,617 INFO L85 PathProgramCache]: Analyzing trace with hash -721471370, now seen corresponding path program 1 times [2021-11-02 22:25:05,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:25:05,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783326699] [2021-11-02 22:25:05,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:25:05,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:25:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:25:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-02 22:25:05,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:25:05,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783326699] [2021-11-02 22:25:05,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783326699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:25:05,722 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:25:05,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:25:05,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338901006] [2021-11-02 22:25:05,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:25:05,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:25:05,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:25:05,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:25:05,730 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 227 [2021-11-02 22:25:05,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 199 transitions, 403 flow. Second operand has 3 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:25:05,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:25:05,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 227 [2021-11-02 22:25:05,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:25:05,856 INFO L129 PetriNetUnfolder]: 6/255 cut-off events. [2021-11-02 22:25:05,857 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-02 22:25:05,858 INFO L84 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 255 events. 6/255 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 356 event pairs, 0 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 275. Up to 11 conditions per place. [2021-11-02 22:25:05,860 INFO L132 encePairwiseOnDemand]: 224/227 looper letters, 15 selfloop transitions, 2 changer transitions 0/206 dead transitions. [2021-11-02 22:25:05,861 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 206 transitions, 451 flow [2021-11-02 22:25:05,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:25:05,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-02 22:25:05,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 606 transitions. [2021-11-02 22:25:05,875 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8898678414096917 [2021-11-02 22:25:05,876 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 606 transitions. [2021-11-02 22:25:05,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 606 transitions. [2021-11-02 22:25:05,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:25:05,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 606 transitions. [2021-11-02 22:25:05,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 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 22:25:05,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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 22:25:05,886 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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 22:25:05,887 INFO L186 Difference]: Start difference. First operand has 200 places, 199 transitions, 403 flow. Second operand 3 states and 606 transitions. [2021-11-02 22:25:05,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 206 transitions, 451 flow [2021-11-02 22:25:05,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 206 transitions, 451 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-02 22:25:05,897 INFO L242 Difference]: Finished difference. Result has 201 places, 200 transitions, 415 flow [2021-11-02 22:25:05,897 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=415, PETRI_PLACES=201, PETRI_TRANSITIONS=200} [2021-11-02 22:25:05,898 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, 1 predicate places. [2021-11-02 22:25:05,898 INFO L470 AbstractCegarLoop]: Abstraction has has 201 places, 200 transitions, 415 flow [2021-11-02 22:25:05,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:25:05,900 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:25:05,900 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:25:05,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:25:05,901 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:25:05,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:25:05,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1282414255, now seen corresponding path program 1 times [2021-11-02 22:25:05,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:25:05,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891113755] [2021-11-02 22:25:05,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:25:05,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:25:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:25:06,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-02 22:25:06,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:25:06,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891113755] [2021-11-02 22:25:06,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891113755] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:25:06,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:25:06,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:25:06,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792079697] [2021-11-02 22:25:06,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:25:06,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:25:06,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:25:06,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:25:06,025 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 227 [2021-11-02 22:25:06,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 200 transitions, 415 flow. Second operand has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 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 22:25:06,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:25:06,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 227 [2021-11-02 22:25:06,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:25:06,126 INFO L129 PetriNetUnfolder]: 6/315 cut-off events. [2021-11-02 22:25:06,126 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-02 22:25:06,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 315 events. 6/315 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 472 event pairs, 0 based on Foata normal form. 0/304 useless extension candidates. Maximal degree in co-relation 344. Up to 14 conditions per place. [2021-11-02 22:25:06,129 INFO L132 encePairwiseOnDemand]: 224/227 looper letters, 9 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2021-11-02 22:25:06,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 204 transitions, 445 flow [2021-11-02 22:25:06,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:25:06,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-02 22:25:06,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 609 transitions. [2021-11-02 22:25:06,133 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8942731277533039 [2021-11-02 22:25:06,134 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 609 transitions. [2021-11-02 22:25:06,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 609 transitions. [2021-11-02 22:25:06,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:25:06,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 609 transitions. [2021-11-02 22:25:06,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 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 22:25:06,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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 22:25:06,142 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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 22:25:06,142 INFO L186 Difference]: Start difference. First operand has 201 places, 200 transitions, 415 flow. Second operand 3 states and 609 transitions. [2021-11-02 22:25:06,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 204 transitions, 445 flow [2021-11-02 22:25:06,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 204 transitions, 443 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-02 22:25:06,151 INFO L242 Difference]: Finished difference. Result has 203 places, 201 transitions, 425 flow [2021-11-02 22:25:06,151 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=413, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=425, PETRI_PLACES=203, PETRI_TRANSITIONS=201} [2021-11-02 22:25:06,152 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, 3 predicate places. [2021-11-02 22:25:06,152 INFO L470 AbstractCegarLoop]: Abstraction has has 203 places, 201 transitions, 425 flow [2021-11-02 22:25:06,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 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 22:25:06,153 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:25:06,154 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:25:06,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 22:25:06,154 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:25:06,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:25:06,155 INFO L85 PathProgramCache]: Analyzing trace with hash 421844138, now seen corresponding path program 1 times [2021-11-02 22:25:06,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:25:06,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737290486] [2021-11-02 22:25:06,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:25:06,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:25:06,186 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 22:25:06,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1097398556] [2021-11-02 22:25:06,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:25:06,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:25:06,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:25:06,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:25:06,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-02 22:25:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:25:06,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 22:25:06,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:25:07,000 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-02 22:25:07,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:25:07,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737290486] [2021-11-02 22:25:07,001 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 22:25:07,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097398556] [2021-11-02 22:25:07,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097398556] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:25:07,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-02 22:25:07,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-11-02 22:25:07,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173148451] [2021-11-02 22:25:07,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:25:07,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:25:07,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:25:07,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:25:07,013 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 227 [2021-11-02 22:25:07,016 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 201 transitions, 425 flow. Second operand has 5 states, 5 states have (on average 199.6) internal successors, (998), 5 states have internal predecessors, (998), 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 22:25:07,016 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:25:07,016 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 227 [2021-11-02 22:25:07,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:25:07,201 INFO L129 PetriNetUnfolder]: 6/377 cut-off events. [2021-11-02 22:25:07,201 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-02 22:25:07,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 436 conditions, 377 events. 6/377 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 565 event pairs, 0 based on Foata normal form. 2/370 useless extension candidates. Maximal degree in co-relation 429. Up to 16 conditions per place. [2021-11-02 22:25:07,204 INFO L132 encePairwiseOnDemand]: 222/227 looper letters, 12 selfloop transitions, 5 changer transitions 0/209 dead transitions. [2021-11-02 22:25:07,204 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 209 transitions, 477 flow [2021-11-02 22:25:07,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:25:07,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-02 22:25:07,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1206 transitions. [2021-11-02 22:25:07,210 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8854625550660793 [2021-11-02 22:25:07,210 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1206 transitions. [2021-11-02 22:25:07,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1206 transitions. [2021-11-02 22:25:07,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:25:07,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1206 transitions. [2021-11-02 22:25:07,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 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 22:25:07,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 227.0) internal successors, (1589), 7 states have internal predecessors, (1589), 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 22:25:07,223 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 227.0) internal successors, (1589), 7 states have internal predecessors, (1589), 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 22:25:07,224 INFO L186 Difference]: Start difference. First operand has 203 places, 201 transitions, 425 flow. Second operand 6 states and 1206 transitions. [2021-11-02 22:25:07,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 209 transitions, 477 flow [2021-11-02 22:25:07,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 209 transitions, 475 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-02 22:25:07,232 INFO L242 Difference]: Finished difference. Result has 210 places, 204 transitions, 455 flow [2021-11-02 22:25:07,232 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=455, PETRI_PLACES=210, PETRI_TRANSITIONS=204} [2021-11-02 22:25:07,233 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, 10 predicate places. [2021-11-02 22:25:07,233 INFO L470 AbstractCegarLoop]: Abstraction has has 210 places, 204 transitions, 455 flow [2021-11-02 22:25:07,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 199.6) internal successors, (998), 5 states have internal predecessors, (998), 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 22:25:07,234 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:25:07,235 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:25:07,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:25:07,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-02 22:25:07,455 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:25:07,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:25:07,456 INFO L85 PathProgramCache]: Analyzing trace with hash -597223601, now seen corresponding path program 2 times [2021-11-02 22:25:07,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:25:07,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522145697] [2021-11-02 22:25:07,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:25:07,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:25:07,490 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 22:25:07,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [412469549] [2021-11-02 22:25:07,490 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 22:25:07,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:25:07,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:25:07,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:25:07,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-02 22:25:07,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-02 22:25:07,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:25:07,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-02 22:25:07,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:25:08,259 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-02 22:25:08,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:25:08,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522145697] [2021-11-02 22:25:08,260 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 22:25:08,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412469549] [2021-11-02 22:25:08,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412469549] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:25:08,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-02 22:25:08,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-11-02 22:25:08,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025547795] [2021-11-02 22:25:08,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-02 22:25:08,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:25:08,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 22:25:08,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:25:08,277 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 227 [2021-11-02 22:25:08,280 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 204 transitions, 455 flow. Second operand has 7 states, 7 states have (on average 199.85714285714286) internal successors, (1399), 7 states have internal predecessors, (1399), 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 22:25:08,280 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:25:08,280 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 227 [2021-11-02 22:25:08,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:25:08,468 INFO L129 PetriNetUnfolder]: 6/439 cut-off events. [2021-11-02 22:25:08,469 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-11-02 22:25:08,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 439 events. 6/439 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 556 event pairs, 0 based on Foata normal form. 2/432 useless extension candidates. Maximal degree in co-relation 533. Up to 16 conditions per place. [2021-11-02 22:25:08,474 INFO L132 encePairwiseOnDemand]: 222/227 looper letters, 14 selfloop transitions, 8 changer transitions 0/214 dead transitions. [2021-11-02 22:25:08,474 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 214 transitions, 529 flow [2021-11-02 22:25:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:25:08,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-02 22:25:08,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1805 transitions. [2021-11-02 22:25:08,482 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8835046500244738 [2021-11-02 22:25:08,482 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1805 transitions. [2021-11-02 22:25:08,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1805 transitions. [2021-11-02 22:25:08,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:25:08,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1805 transitions. [2021-11-02 22:25:08,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 200.55555555555554) internal successors, (1805), 9 states have internal predecessors, (1805), 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 22:25:08,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 227.0) internal successors, (2270), 10 states have internal predecessors, (2270), 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 22:25:08,503 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 227.0) internal successors, (2270), 10 states have internal predecessors, (2270), 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 22:25:08,503 INFO L186 Difference]: Start difference. First operand has 210 places, 204 transitions, 455 flow. Second operand 9 states and 1805 transitions. [2021-11-02 22:25:08,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 214 transitions, 529 flow [2021-11-02 22:25:08,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 214 transitions, 523 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-11-02 22:25:08,513 INFO L242 Difference]: Finished difference. Result has 219 places, 207 transitions, 493 flow [2021-11-02 22:25:08,513 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=493, PETRI_PLACES=219, PETRI_TRANSITIONS=207} [2021-11-02 22:25:08,514 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, 19 predicate places. [2021-11-02 22:25:08,514 INFO L470 AbstractCegarLoop]: Abstraction has has 219 places, 207 transitions, 493 flow [2021-11-02 22:25:08,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 199.85714285714286) internal successors, (1399), 7 states have internal predecessors, (1399), 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 22:25:08,515 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:25:08,515 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:25:08,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:25:08,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:25:08,743 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:25:08,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:25:08,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1752547338, now seen corresponding path program 3 times [2021-11-02 22:25:08,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:25:08,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303364908] [2021-11-02 22:25:08,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:25:08,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:25:08,794 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 22:25:08,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1769174072] [2021-11-02 22:25:08,795 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-02 22:25:08,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:25:08,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:25:08,797 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:25:08,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-02 22:25:09,059 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-02 22:25:09,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:25:09,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 22:25:09,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:25:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-11-02 22:25:09,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:25:09,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303364908] [2021-11-02 22:25:09,595 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 22:25:09,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769174072] [2021-11-02 22:25:09,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769174072] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:25:09,596 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-02 22:25:09,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-11-02 22:25:09,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839017465] [2021-11-02 22:25:09,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:25:09,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:25:09,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:25:09,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:25:09,600 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 227 [2021-11-02 22:25:09,601 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 207 transitions, 493 flow. Second operand has 5 states, 5 states have (on average 197.2) internal successors, (986), 5 states have internal predecessors, (986), 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 22:25:09,602 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:25:09,602 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 227 [2021-11-02 22:25:09,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:25:09,837 INFO L129 PetriNetUnfolder]: 7/574 cut-off events. [2021-11-02 22:25:09,837 INFO L130 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2021-11-02 22:25:09,839 INFO L84 FinitePrefix]: Finished finitePrefix Result has 744 conditions, 574 events. 7/574 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 616 event pairs, 0 based on Foata normal form. 1/566 useless extension candidates. Maximal degree in co-relation 731. Up to 18 conditions per place. [2021-11-02 22:25:09,841 INFO L132 encePairwiseOnDemand]: 222/227 looper letters, 21 selfloop transitions, 5 changer transitions 0/221 dead transitions. [2021-11-02 22:25:09,842 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 221 transitions, 575 flow [2021-11-02 22:25:09,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:25:09,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-02 22:25:09,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1197 transitions. [2021-11-02 22:25:09,848 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8788546255506607 [2021-11-02 22:25:09,848 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1197 transitions. [2021-11-02 22:25:09,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1197 transitions. [2021-11-02 22:25:09,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:25:09,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1197 transitions. [2021-11-02 22:25:09,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 199.5) internal successors, (1197), 6 states have internal predecessors, (1197), 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 22:25:09,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 227.0) internal successors, (1589), 7 states have internal predecessors, (1589), 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 22:25:09,861 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 227.0) internal successors, (1589), 7 states have internal predecessors, (1589), 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 22:25:09,861 INFO L186 Difference]: Start difference. First operand has 219 places, 207 transitions, 493 flow. Second operand 6 states and 1197 transitions. [2021-11-02 22:25:09,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 221 transitions, 575 flow [2021-11-02 22:25:09,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 221 transitions, 557 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-11-02 22:25:09,873 INFO L242 Difference]: Finished difference. Result has 222 places, 210 transitions, 507 flow [2021-11-02 22:25:09,874 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=507, PETRI_PLACES=222, PETRI_TRANSITIONS=210} [2021-11-02 22:25:09,874 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, 22 predicate places. [2021-11-02 22:25:09,874 INFO L470 AbstractCegarLoop]: Abstraction has has 222 places, 210 transitions, 507 flow [2021-11-02 22:25:09,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 197.2) internal successors, (986), 5 states have internal predecessors, (986), 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 22:25:09,875 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:25:09,876 INFO L254 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:25:09,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:25:10,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:25:10,091 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:25:10,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:25:10,092 INFO L85 PathProgramCache]: Analyzing trace with hash -61313290, now seen corresponding path program 4 times [2021-11-02 22:25:10,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:25:10,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184212464] [2021-11-02 22:25:10,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:25:10,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:25:10,142 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 22:25:10,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [111556935] [2021-11-02 22:25:10,142 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-02 22:25:10,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:25:10,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:25:10,144 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:25:10,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-02 22:25:10,578 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-02 22:25:10,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:25:10,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-02 22:25:10,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:25:11,556 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 299 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-11-02 22:25:11,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:25:11,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184212464] [2021-11-02 22:25:11,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 22:25:11,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111556935] [2021-11-02 22:25:11,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111556935] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:25:11,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-02 22:25:11,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-11-02 22:25:11,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708628287] [2021-11-02 22:25:11,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-02 22:25:11,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:25:11,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 22:25:11,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:25:11,585 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 227 [2021-11-02 22:25:11,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 210 transitions, 507 flow. Second operand has 7 states, 7 states have (on average 197.71428571428572) internal successors, (1384), 7 states have internal predecessors, (1384), 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 22:25:11,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:25:11,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 227 [2021-11-02 22:25:11,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:25:11,881 INFO L129 PetriNetUnfolder]: 8/709 cut-off events. [2021-11-02 22:25:11,881 INFO L130 PetriNetUnfolder]: For 60/60 co-relation queries the response was YES. [2021-11-02 22:25:11,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 912 conditions, 709 events. 8/709 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 675 event pairs, 0 based on Foata normal form. 1/701 useless extension candidates. Maximal degree in co-relation 896. Up to 18 conditions per place. [2021-11-02 22:25:11,886 INFO L132 encePairwiseOnDemand]: 222/227 looper letters, 26 selfloop transitions, 8 changer transitions 0/229 dead transitions. [2021-11-02 22:25:11,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 229 transitions, 623 flow [2021-11-02 22:25:11,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:25:11,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-02 22:25:11,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1790 transitions. [2021-11-02 22:25:11,894 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8761625061184533 [2021-11-02 22:25:11,894 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1790 transitions. [2021-11-02 22:25:11,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1790 transitions. [2021-11-02 22:25:11,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:25:11,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1790 transitions. [2021-11-02 22:25:11,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 198.88888888888889) internal successors, (1790), 9 states have internal predecessors, (1790), 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 22:25:11,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 227.0) internal successors, (2270), 10 states have internal predecessors, (2270), 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 22:25:11,910 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 227.0) internal successors, (2270), 10 states have internal predecessors, (2270), 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 22:25:11,910 INFO L186 Difference]: Start difference. First operand has 222 places, 210 transitions, 507 flow. Second operand 9 states and 1790 transitions. [2021-11-02 22:25:11,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 229 transitions, 623 flow [2021-11-02 22:25:11,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 229 transitions, 617 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-11-02 22:25:11,919 INFO L242 Difference]: Finished difference. Result has 231 places, 213 transitions, 545 flow [2021-11-02 22:25:11,920 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=545, PETRI_PLACES=231, PETRI_TRANSITIONS=213} [2021-11-02 22:25:11,921 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, 31 predicate places. [2021-11-02 22:25:11,921 INFO L470 AbstractCegarLoop]: Abstraction has has 231 places, 213 transitions, 545 flow [2021-11-02 22:25:11,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 197.71428571428572) internal successors, (1384), 7 states have internal predecessors, (1384), 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 22:25:11,922 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:25:11,923 INFO L254 CegarLoopForPetriNet]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:25:11,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-02 22:25:12,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-02 22:25:12,151 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:25:12,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:25:12,151 INFO L85 PathProgramCache]: Analyzing trace with hash -2021664374, now seen corresponding path program 5 times [2021-11-02 22:25:12,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:25:12,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560803580] [2021-11-02 22:25:12,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:25:12,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:25:12,187 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 22:25:12,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1611937678] [2021-11-02 22:25:12,188 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-02 22:25:12,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:25:12,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:25:12,189 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:25:12,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-02 22:28:09,376 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-11-02 22:28:09,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:28:09,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-02 22:28:09,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:28:10,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1187 backedges. 589 proven. 96 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2021-11-02 22:28:10,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:28:10,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560803580] [2021-11-02 22:28:10,595 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 22:28:10,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611937678] [2021-11-02 22:28:10,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611937678] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:28:10,596 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-02 22:28:10,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-11-02 22:28:10,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138316090] [2021-11-02 22:28:10,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-02 22:28:10,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:28:10,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-02 22:28:10,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-02 22:28:10,603 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 227 [2021-11-02 22:28:10,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 213 transitions, 545 flow. Second operand has 9 states, 9 states have (on average 200.77777777777777) internal successors, (1807), 9 states have internal predecessors, (1807), 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 22:28:10,606 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-02 22:28:10,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 227 [2021-11-02 22:28:10,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-02 22:28:10,984 INFO L129 PetriNetUnfolder]: 8/833 cut-off events. [2021-11-02 22:28:10,984 INFO L130 PetriNetUnfolder]: For 136/136 co-relation queries the response was YES. [2021-11-02 22:28:10,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1127 conditions, 833 events. 8/833 cut-off events. For 136/136 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 674 event pairs, 0 based on Foata normal form. 4/828 useless extension candidates. Maximal degree in co-relation 1108. Up to 30 conditions per place. [2021-11-02 22:28:10,989 INFO L132 encePairwiseOnDemand]: 222/227 looper letters, 16 selfloop transitions, 11 changer transitions 0/225 dead transitions. [2021-11-02 22:28:10,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 225 transitions, 641 flow [2021-11-02 22:28:10,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-02 22:28:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-11-02 22:28:10,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2404 transitions. [2021-11-02 22:28:10,999 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.882525697503671 [2021-11-02 22:28:11,000 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2404 transitions. [2021-11-02 22:28:11,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2404 transitions. [2021-11-02 22:28:11,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:28:11,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2404 transitions. [2021-11-02 22:28:11,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 200.33333333333334) internal successors, (2404), 12 states have internal predecessors, (2404), 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 22:28:11,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 227.0) internal successors, (2951), 13 states have internal predecessors, (2951), 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 22:28:11,023 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 227.0) internal successors, (2951), 13 states have internal predecessors, (2951), 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 22:28:11,023 INFO L186 Difference]: Start difference. First operand has 231 places, 213 transitions, 545 flow. Second operand 12 states and 2404 transitions. [2021-11-02 22:28:11,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 225 transitions, 641 flow [2021-11-02 22:28:11,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 225 transitions, 623 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-11-02 22:28:11,036 INFO L242 Difference]: Finished difference. Result has 240 places, 216 transitions, 583 flow [2021-11-02 22:28:11,036 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=583, PETRI_PLACES=240, PETRI_TRANSITIONS=216} [2021-11-02 22:28:11,037 INFO L334 CegarLoopForPetriNet]: 200 programPoint places, 40 predicate places. [2021-11-02 22:28:11,037 INFO L470 AbstractCegarLoop]: Abstraction has has 240 places, 216 transitions, 583 flow [2021-11-02 22:28:11,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 200.77777777777777) internal successors, (1807), 9 states have internal predecessors, (1807), 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 22:28:11,038 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-02 22:28:11,039 INFO L254 CegarLoopForPetriNet]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:28:11,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-02 22:28:11,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:28:11,240 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:28:11,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:28:11,241 INFO L85 PathProgramCache]: Analyzing trace with hash -739277855, now seen corresponding path program 6 times [2021-11-02 22:28:11,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:28:11,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314206169] [2021-11-02 22:28:11,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:28:11,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:28:11,294 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 22:28:11,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [808795887] [2021-11-02 22:28:11,294 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-02 22:28:11,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:28:11,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:28:11,296 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:28:11,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59350940-fcd6-4700-9fcb-5a93cb0c0876/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process