./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/rfi003_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/rfi003_tso.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 503cbc793fb2369a7e5308c15a611fe38888f935ec98bb5d473194a0a60e31e4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:05:19,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:05:19,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:05:20,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:05:20,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:05:20,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:05:20,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:05:20,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:05:20,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:05:20,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:05:20,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:05:20,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:05:20,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:05:20,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:05:20,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:05:20,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:05:20,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:05:20,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:05:20,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:05:20,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:05:20,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:05:20,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:05:20,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:05:20,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:05:20,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:05:20,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:05:20,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:05:20,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:05:20,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:05:20,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:05:20,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:05:20,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:05:20,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:05:20,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:05:20,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:05:20,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:05:20,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:05:20,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:05:20,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:05:20,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:05:20,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:05:20,071 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 15:05:20,093 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:05:20,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:05:20,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:05:20,094 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:05:20,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:05:20,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:05:20,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:05:20,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:05:20,097 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:05:20,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:05:20,098 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 15:05:20,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:05:20,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 15:05:20,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:05:20,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:05:20,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:05:20,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:05:20,099 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 15:05:20,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:05:20,099 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:05:20,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:05:20,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:05:20,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:05:20,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:05:20,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:05:20,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:05:20,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:05:20,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:05:20,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:05:20,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:05:20,101 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:05:20,101 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:05:20,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:05:20,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:05:20,102 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503cbc793fb2369a7e5308c15a611fe38888f935ec98bb5d473194a0a60e31e4 [2021-12-21 15:05:20,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:05:20,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:05:20,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:05:20,341 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:05:20,342 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:05:20,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi003_tso.i [2021-12-21 15:05:20,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac3435b12/e296f544668345caaf56340674b28f9c/FLAG6dc35ee29 [2021-12-21 15:05:20,787 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:05:20,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi003_tso.i [2021-12-21 15:05:20,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac3435b12/e296f544668345caaf56340674b28f9c/FLAG6dc35ee29 [2021-12-21 15:05:20,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac3435b12/e296f544668345caaf56340674b28f9c [2021-12-21 15:05:20,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:05:20,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:05:20,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:05:20,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:05:20,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:05:20,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:05:20" (1/1) ... [2021-12-21 15:05:20,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be91a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:20, skipping insertion in model container [2021-12-21 15:05:20,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:05:20" (1/1) ... [2021-12-21 15:05:20,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:05:20,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:05:20,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi003_tso.i[944,957] [2021-12-21 15:05:21,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:05:21,189 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:05:21,199 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi003_tso.i[944,957] [2021-12-21 15:05:21,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:05:21,286 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:05:21,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:21 WrapperNode [2021-12-21 15:05:21,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:05:21,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:05:21,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:05:21,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:05:21,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:21" (1/1) ... [2021-12-21 15:05:21,321 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:21" (1/1) ... [2021-12-21 15:05:21,349 INFO L137 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 465 [2021-12-21 15:05:21,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:05:21,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:05:21,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:05:21,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:05:21,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:21" (1/1) ... [2021-12-21 15:05:21,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:21" (1/1) ... [2021-12-21 15:05:21,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:21" (1/1) ... [2021-12-21 15:05:21,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:21" (1/1) ... [2021-12-21 15:05:21,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:21" (1/1) ... [2021-12-21 15:05:21,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:21" (1/1) ... [2021-12-21 15:05:21,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:21" (1/1) ... [2021-12-21 15:05:21,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:05:21,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:05:21,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:05:21,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:05:21,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:21" (1/1) ... [2021-12-21 15:05:21,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:05:21,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:05:21,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 15:05:21,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 15:05:21,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 15:05:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-21 15:05:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:05:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:05:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:05:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-21 15:05:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-21 15:05:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-21 15:05:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-21 15:05:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:05:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-21 15:05:21,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:05:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:05:21,511 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-21 15:05:21,635 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:05:21,636 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:05:22,165 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:05:22,507 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:05:22,508 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 15:05:22,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:05:22 BoogieIcfgContainer [2021-12-21 15:05:22,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:05:22,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:05:22,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:05:22,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:05:22,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:05:20" (1/3) ... [2021-12-21 15:05:22,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195fd654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:05:22, skipping insertion in model container [2021-12-21 15:05:22,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:21" (2/3) ... [2021-12-21 15:05:22,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195fd654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:05:22, skipping insertion in model container [2021-12-21 15:05:22,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:05:22" (3/3) ... [2021-12-21 15:05:22,515 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi003_tso.i [2021-12-21 15:05:22,519 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-21 15:05:22,519 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:05:22,519 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-21 15:05:22,520 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-21 15:05:22,576 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,577 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,577 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,577 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,577 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,577 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,577 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,577 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,577 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,577 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,577 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,578 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,578 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,578 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,578 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,579 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,579 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,579 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,580 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,580 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,580 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,580 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,581 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,581 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,581 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,582 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,582 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,582 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,582 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,583 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,583 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,583 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,583 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,583 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,583 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,583 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,584 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,584 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,584 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,584 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,585 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,585 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,585 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,585 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,585 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,586 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,586 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,586 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,586 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,586 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,586 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,587 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,587 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,587 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,587 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,587 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,587 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,588 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,588 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,588 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,588 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,588 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,588 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,589 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,589 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,589 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,589 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,589 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,589 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,590 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,590 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,590 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,590 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,590 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,590 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,590 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,590 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,591 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,591 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,592 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,592 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,593 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,594 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,594 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,594 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,595 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,596 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,596 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,596 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,596 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,596 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,599 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,600 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,600 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,601 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,601 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,601 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,602 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,602 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,602 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,602 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,602 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,602 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,602 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,602 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,603 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,603 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,603 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,603 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,603 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,603 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,603 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,603 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,603 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,604 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,604 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,604 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,604 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,604 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,604 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,604 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,604 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,604 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,605 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,605 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,605 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,605 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,605 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,605 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,605 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,605 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,605 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,607 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,607 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,607 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,607 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,608 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,608 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,608 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,608 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,608 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,608 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,608 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,608 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,608 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,609 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,609 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,609 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,609 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,609 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,647 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,647 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,647 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,647 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,647 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,647 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,647 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,647 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,648 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,648 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,648 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,648 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,648 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,648 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,648 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,648 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,648 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,648 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,648 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,648 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,650 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,650 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,650 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,650 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,650 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,650 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,650 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,652 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,652 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,652 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,652 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,652 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,652 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,652 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,652 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,652 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,652 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,654 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,654 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,654 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,654 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,654 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,655 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,655 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,657 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,657 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,657 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,657 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,657 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,657 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,657 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,658 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,658 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,658 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,658 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,661 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,661 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,661 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,661 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,661 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,661 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,662 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,662 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,662 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,662 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,662 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,662 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,662 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,662 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,663 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,663 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,663 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,664 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,664 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,664 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,664 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,664 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,664 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,664 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,664 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,665 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,665 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,665 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,665 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,665 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,665 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,665 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,665 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,665 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,666 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,666 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,666 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,666 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,666 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,666 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,666 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,666 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,667 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,667 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,667 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,667 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,667 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,667 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,667 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,667 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,668 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,668 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,668 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,668 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,668 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,668 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,668 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,668 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,668 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,669 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,669 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,669 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,669 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,669 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,669 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,669 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,669 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,670 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,670 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,670 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,670 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,670 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,670 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,670 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:05:22,671 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-21 15:05:22,702 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:05:22,707 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 15:05:22,707 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-12-21 15:05:22,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 99 transitions, 208 flow [2021-12-21 15:05:22,738 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-12-21 15:05:22,738 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-21 15:05:22,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2021-12-21 15:05:22,741 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 99 transitions, 208 flow [2021-12-21 15:05:22,744 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 97 transitions, 200 flow [2021-12-21 15:05:22,752 INFO L129 PetriNetUnfolder]: 0/60 cut-off events. [2021-12-21 15:05:22,752 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-21 15:05:22,752 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:22,753 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:05:22,753 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:22,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:22,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1861211899, now seen corresponding path program 1 times [2021-12-21 15:05:22,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:22,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205138400] [2021-12-21 15:05:22,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:22,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:22,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:22,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205138400] [2021-12-21 15:05:22,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205138400] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:22,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:22,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 15:05:22,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214124851] [2021-12-21 15:05:22,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:23,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 15:05:23,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:23,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 15:05:23,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 15:05:23,031 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 99 [2021-12-21 15:05:23,036 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 97 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:23,036 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:23,036 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 99 [2021-12-21 15:05:23,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:23,181 INFO L129 PetriNetUnfolder]: 54/432 cut-off events. [2021-12-21 15:05:23,181 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-12-21 15:05:23,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 432 events. 54/432 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2388 event pairs, 24 based on Foata normal form. 21/424 useless extension candidates. Maximal degree in co-relation 498. Up to 85 conditions per place. [2021-12-21 15:05:23,185 INFO L132 encePairwiseOnDemand]: 94/99 looper letters, 13 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2021-12-21 15:05:23,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 97 transitions, 230 flow [2021-12-21 15:05:23,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 15:05:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-21 15:05:23,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2021-12-21 15:05:23,195 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9158249158249159 [2021-12-21 15:05:23,195 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 272 transitions. [2021-12-21 15:05:23,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 272 transitions. [2021-12-21 15:05:23,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:23,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 272 transitions. [2021-12-21 15:05:23,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:23,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:23,212 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:23,213 INFO L186 Difference]: Start difference. First operand has 102 places, 97 transitions, 200 flow. Second operand 3 states and 272 transitions. [2021-12-21 15:05:23,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 97 transitions, 230 flow [2021-12-21 15:05:23,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 97 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-21 15:05:23,222 INFO L242 Difference]: Finished difference. Result has 100 places, 93 transitions, 194 flow [2021-12-21 15:05:23,224 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=100, PETRI_TRANSITIONS=93} [2021-12-21 15:05:23,226 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, -2 predicate places. [2021-12-21 15:05:23,227 INFO L470 AbstractCegarLoop]: Abstraction has has 100 places, 93 transitions, 194 flow [2021-12-21 15:05:23,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:23,227 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:23,227 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:05:23,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 15:05:23,228 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:23,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:23,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1853642207, now seen corresponding path program 1 times [2021-12-21 15:05:23,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:23,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113804477] [2021-12-21 15:05:23,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:23,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:23,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:23,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:23,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113804477] [2021-12-21 15:05:23,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113804477] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:23,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:23,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 15:05:23,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772155413] [2021-12-21 15:05:23,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:23,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:05:23,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:23,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:05:23,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:05:23,384 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 99 [2021-12-21 15:05:23,385 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 93 transitions, 194 flow. Second operand has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:23,385 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:23,385 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 99 [2021-12-21 15:05:23,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:23,673 INFO L129 PetriNetUnfolder]: 205/665 cut-off events. [2021-12-21 15:05:23,673 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2021-12-21 15:05:23,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1067 conditions, 665 events. 205/665 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3841 event pairs, 47 based on Foata normal form. 0/642 useless extension candidates. Maximal degree in co-relation 1017. Up to 166 conditions per place. [2021-12-21 15:05:23,676 INFO L132 encePairwiseOnDemand]: 93/99 looper letters, 17 selfloop transitions, 2 changer transitions 43/129 dead transitions. [2021-12-21 15:05:23,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 129 transitions, 378 flow [2021-12-21 15:05:23,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 15:05:23,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-21 15:05:23,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 757 transitions. [2021-12-21 15:05:23,679 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8496071829405163 [2021-12-21 15:05:23,679 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 757 transitions. [2021-12-21 15:05:23,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 757 transitions. [2021-12-21 15:05:23,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:23,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 757 transitions. [2021-12-21 15:05:23,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 84.11111111111111) internal successors, (757), 9 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:23,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:23,684 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:23,684 INFO L186 Difference]: Start difference. First operand has 100 places, 93 transitions, 194 flow. Second operand 9 states and 757 transitions. [2021-12-21 15:05:23,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 129 transitions, 378 flow [2021-12-21 15:05:23,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 129 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-21 15:05:23,686 INFO L242 Difference]: Finished difference. Result has 113 places, 83 transitions, 190 flow [2021-12-21 15:05:23,686 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=190, PETRI_PLACES=113, PETRI_TRANSITIONS=83} [2021-12-21 15:05:23,687 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 11 predicate places. [2021-12-21 15:05:23,687 INFO L470 AbstractCegarLoop]: Abstraction has has 113 places, 83 transitions, 190 flow [2021-12-21 15:05:23,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:23,688 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:23,688 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:05:23,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 15:05:23,688 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:23,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:23,689 INFO L85 PathProgramCache]: Analyzing trace with hash -201549891, now seen corresponding path program 1 times [2021-12-21 15:05:23,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:23,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301278386] [2021-12-21 15:05:23,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:23,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:23,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:23,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:23,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301278386] [2021-12-21 15:05:23,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301278386] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:23,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:23,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 15:05:23,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243608742] [2021-12-21 15:05:23,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:23,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:05:23,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:23,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:05:23,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:05:23,847 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 99 [2021-12-21 15:05:23,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 83 transitions, 190 flow. Second operand has 6 states, 6 states have (on average 80.0) internal successors, (480), 6 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:23,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:23,848 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 99 [2021-12-21 15:05:23,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:24,064 INFO L129 PetriNetUnfolder]: 109/326 cut-off events. [2021-12-21 15:05:24,065 INFO L130 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2021-12-21 15:05:24,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 648 conditions, 326 events. 109/326 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1373 event pairs, 33 based on Foata normal form. 9/321 useless extension candidates. Maximal degree in co-relation 594. Up to 92 conditions per place. [2021-12-21 15:05:24,066 INFO L132 encePairwiseOnDemand]: 93/99 looper letters, 17 selfloop transitions, 2 changer transitions 25/111 dead transitions. [2021-12-21 15:05:24,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 111 transitions, 352 flow [2021-12-21 15:05:24,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 15:05:24,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-21 15:05:24,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 748 transitions. [2021-12-21 15:05:24,069 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8395061728395061 [2021-12-21 15:05:24,069 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 748 transitions. [2021-12-21 15:05:24,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 748 transitions. [2021-12-21 15:05:24,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:24,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 748 transitions. [2021-12-21 15:05:24,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 83.11111111111111) internal successors, (748), 9 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:24,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:24,073 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:24,073 INFO L186 Difference]: Start difference. First operand has 113 places, 83 transitions, 190 flow. Second operand 9 states and 748 transitions. [2021-12-21 15:05:24,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 111 transitions, 352 flow [2021-12-21 15:05:24,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 111 transitions, 320 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-12-21 15:05:24,077 INFO L242 Difference]: Finished difference. Result has 104 places, 83 transitions, 194 flow [2021-12-21 15:05:24,077 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=194, PETRI_PLACES=104, PETRI_TRANSITIONS=83} [2021-12-21 15:05:24,077 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 2 predicate places. [2021-12-21 15:05:24,078 INFO L470 AbstractCegarLoop]: Abstraction has has 104 places, 83 transitions, 194 flow [2021-12-21 15:05:24,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.0) internal successors, (480), 6 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:24,078 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:24,078 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:05:24,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 15:05:24,079 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:24,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:24,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1657408643, now seen corresponding path program 1 times [2021-12-21 15:05:24,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:24,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457469772] [2021-12-21 15:05:24,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:24,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:24,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:24,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:24,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457469772] [2021-12-21 15:05:24,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457469772] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:24,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:24,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-21 15:05:24,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091899952] [2021-12-21 15:05:24,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:24,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-21 15:05:24,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:24,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-21 15:05:24,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:05:24,406 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 99 [2021-12-21 15:05:24,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 83 transitions, 194 flow. Second operand has 14 states, 14 states have (on average 67.57142857142857) internal successors, (946), 14 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:24,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:24,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 99 [2021-12-21 15:05:24,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:24,948 INFO L129 PetriNetUnfolder]: 296/810 cut-off events. [2021-12-21 15:05:24,948 INFO L130 PetriNetUnfolder]: For 234/234 co-relation queries the response was YES. [2021-12-21 15:05:24,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1584 conditions, 810 events. 296/810 cut-off events. For 234/234 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4647 event pairs, 91 based on Foata normal form. 15/799 useless extension candidates. Maximal degree in co-relation 1518. Up to 200 conditions per place. [2021-12-21 15:05:24,953 INFO L132 encePairwiseOnDemand]: 83/99 looper letters, 47 selfloop transitions, 15 changer transitions 52/169 dead transitions. [2021-12-21 15:05:24,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 169 transitions, 650 flow [2021-12-21 15:05:24,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-21 15:05:24,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-21 15:05:24,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1371 transitions. [2021-12-21 15:05:24,956 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7288676236044657 [2021-12-21 15:05:24,956 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1371 transitions. [2021-12-21 15:05:24,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1371 transitions. [2021-12-21 15:05:24,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:24,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1371 transitions. [2021-12-21 15:05:24,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 72.15789473684211) internal successors, (1371), 19 states have internal predecessors, (1371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:24,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 99.0) internal successors, (1980), 20 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:24,961 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 99.0) internal successors, (1980), 20 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:24,962 INFO L186 Difference]: Start difference. First operand has 104 places, 83 transitions, 194 flow. Second operand 19 states and 1371 transitions. [2021-12-21 15:05:24,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 169 transitions, 650 flow [2021-12-21 15:05:24,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 169 transitions, 594 flow, removed 24 selfloop flow, removed 8 redundant places. [2021-12-21 15:05:24,966 INFO L242 Difference]: Finished difference. Result has 122 places, 94 transitions, 307 flow [2021-12-21 15:05:24,966 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=307, PETRI_PLACES=122, PETRI_TRANSITIONS=94} [2021-12-21 15:05:24,966 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 20 predicate places. [2021-12-21 15:05:24,967 INFO L470 AbstractCegarLoop]: Abstraction has has 122 places, 94 transitions, 307 flow [2021-12-21 15:05:24,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 67.57142857142857) internal successors, (946), 14 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:24,967 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:24,967 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:05:24,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 15:05:24,968 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:24,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:24,968 INFO L85 PathProgramCache]: Analyzing trace with hash 592128102, now seen corresponding path program 1 times [2021-12-21 15:05:24,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:24,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157750664] [2021-12-21 15:05:24,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:24,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:25,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:25,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157750664] [2021-12-21 15:05:25,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157750664] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:25,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:25,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-21 15:05:25,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911495086] [2021-12-21 15:05:25,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:25,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-21 15:05:25,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:25,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-21 15:05:25,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-12-21 15:05:25,513 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 99 [2021-12-21 15:05:25,514 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 94 transitions, 307 flow. Second operand has 15 states, 15 states have (on average 65.66666666666667) internal successors, (985), 15 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:25,514 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:25,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 99 [2021-12-21 15:05:25,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:26,169 INFO L129 PetriNetUnfolder]: 251/689 cut-off events. [2021-12-21 15:05:26,170 INFO L130 PetriNetUnfolder]: For 868/868 co-relation queries the response was YES. [2021-12-21 15:05:26,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1894 conditions, 689 events. 251/689 cut-off events. For 868/868 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3644 event pairs, 89 based on Foata normal form. 10/671 useless extension candidates. Maximal degree in co-relation 1813. Up to 186 conditions per place. [2021-12-21 15:05:26,175 INFO L132 encePairwiseOnDemand]: 84/99 looper letters, 48 selfloop transitions, 17 changer transitions 47/165 dead transitions. [2021-12-21 15:05:26,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 165 transitions, 867 flow [2021-12-21 15:05:26,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-21 15:05:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-12-21 15:05:26,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 1586 transitions. [2021-12-21 15:05:26,178 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6965305226174792 [2021-12-21 15:05:26,178 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 1586 transitions. [2021-12-21 15:05:26,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 1586 transitions. [2021-12-21 15:05:26,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:26,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 1586 transitions. [2021-12-21 15:05:26,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 68.95652173913044) internal successors, (1586), 23 states have internal predecessors, (1586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:26,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 99.0) internal successors, (2376), 24 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:26,185 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 99.0) internal successors, (2376), 24 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:26,185 INFO L186 Difference]: Start difference. First operand has 122 places, 94 transitions, 307 flow. Second operand 23 states and 1586 transitions. [2021-12-21 15:05:26,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 165 transitions, 867 flow [2021-12-21 15:05:26,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 165 transitions, 833 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-12-21 15:05:26,190 INFO L242 Difference]: Finished difference. Result has 143 places, 95 transitions, 369 flow [2021-12-21 15:05:26,190 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=369, PETRI_PLACES=143, PETRI_TRANSITIONS=95} [2021-12-21 15:05:26,190 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 41 predicate places. [2021-12-21 15:05:26,191 INFO L470 AbstractCegarLoop]: Abstraction has has 143 places, 95 transitions, 369 flow [2021-12-21 15:05:26,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 65.66666666666667) internal successors, (985), 15 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:26,191 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:26,191 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:05:26,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 15:05:26,192 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:26,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:26,192 INFO L85 PathProgramCache]: Analyzing trace with hash -2131062622, now seen corresponding path program 1 times [2021-12-21 15:05:26,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:26,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862409971] [2021-12-21 15:05:26,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:26,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:26,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:26,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:26,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862409971] [2021-12-21 15:05:26,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862409971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:26,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:26,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 15:05:26,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112848417] [2021-12-21 15:05:26,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:26,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:05:26,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:26,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:05:26,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:05:26,275 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 99 [2021-12-21 15:05:26,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 95 transitions, 369 flow. Second operand has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:26,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:26,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 99 [2021-12-21 15:05:26,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:26,553 INFO L129 PetriNetUnfolder]: 306/751 cut-off events. [2021-12-21 15:05:26,553 INFO L130 PetriNetUnfolder]: For 1331/1331 co-relation queries the response was YES. [2021-12-21 15:05:26,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2208 conditions, 751 events. 306/751 cut-off events. For 1331/1331 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3939 event pairs, 36 based on Foata normal form. 0/738 useless extension candidates. Maximal degree in co-relation 2122. Up to 129 conditions per place. [2021-12-21 15:05:26,558 INFO L132 encePairwiseOnDemand]: 90/99 looper letters, 40 selfloop transitions, 9 changer transitions 52/169 dead transitions. [2021-12-21 15:05:26,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 169 transitions, 977 flow [2021-12-21 15:05:26,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 15:05:26,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-21 15:05:26,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 838 transitions. [2021-12-21 15:05:26,560 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8464646464646465 [2021-12-21 15:05:26,561 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 838 transitions. [2021-12-21 15:05:26,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 838 transitions. [2021-12-21 15:05:26,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:26,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 838 transitions. [2021-12-21 15:05:26,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 83.8) internal successors, (838), 10 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:26,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 99.0) internal successors, (1089), 11 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:26,564 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 99.0) internal successors, (1089), 11 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:26,564 INFO L186 Difference]: Start difference. First operand has 143 places, 95 transitions, 369 flow. Second operand 10 states and 838 transitions. [2021-12-21 15:05:26,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 169 transitions, 977 flow [2021-12-21 15:05:26,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 169 transitions, 902 flow, removed 14 selfloop flow, removed 21 redundant places. [2021-12-21 15:05:26,572 INFO L242 Difference]: Finished difference. Result has 126 places, 99 transitions, 371 flow [2021-12-21 15:05:26,573 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=371, PETRI_PLACES=126, PETRI_TRANSITIONS=99} [2021-12-21 15:05:26,574 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 24 predicate places. [2021-12-21 15:05:26,574 INFO L470 AbstractCegarLoop]: Abstraction has has 126 places, 99 transitions, 371 flow [2021-12-21 15:05:26,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:26,575 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:26,575 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:05:26,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 15:05:26,575 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:26,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:26,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1761574327, now seen corresponding path program 1 times [2021-12-21 15:05:26,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:26,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127703507] [2021-12-21 15:05:26,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:26,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:27,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:27,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:27,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127703507] [2021-12-21 15:05:27,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127703507] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:27,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:27,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-21 15:05:27,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104291114] [2021-12-21 15:05:27,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:27,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-21 15:05:27,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:27,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-21 15:05:27,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-12-21 15:05:27,197 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 99 [2021-12-21 15:05:27,198 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 99 transitions, 371 flow. Second operand has 15 states, 15 states have (on average 68.66666666666667) internal successors, (1030), 15 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:27,198 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:27,198 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 99 [2021-12-21 15:05:27,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:27,570 INFO L129 PetriNetUnfolder]: 64/338 cut-off events. [2021-12-21 15:05:27,570 INFO L130 PetriNetUnfolder]: For 374/376 co-relation queries the response was YES. [2021-12-21 15:05:27,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 883 conditions, 338 events. 64/338 cut-off events. For 374/376 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1427 event pairs, 13 based on Foata normal form. 4/328 useless extension candidates. Maximal degree in co-relation 797. Up to 95 conditions per place. [2021-12-21 15:05:27,572 INFO L132 encePairwiseOnDemand]: 84/99 looper letters, 32 selfloop transitions, 21 changer transitions 13/129 dead transitions. [2021-12-21 15:05:27,573 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 129 transitions, 611 flow [2021-12-21 15:05:27,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 15:05:27,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-21 15:05:27,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1200 transitions. [2021-12-21 15:05:27,575 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7130124777183601 [2021-12-21 15:05:27,575 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1200 transitions. [2021-12-21 15:05:27,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1200 transitions. [2021-12-21 15:05:27,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:27,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1200 transitions. [2021-12-21 15:05:27,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 70.58823529411765) internal successors, (1200), 17 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:27,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 99.0) internal successors, (1782), 18 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:27,580 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 99.0) internal successors, (1782), 18 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:27,580 INFO L186 Difference]: Start difference. First operand has 126 places, 99 transitions, 371 flow. Second operand 17 states and 1200 transitions. [2021-12-21 15:05:27,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 129 transitions, 611 flow [2021-12-21 15:05:27,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 129 transitions, 605 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-12-21 15:05:27,584 INFO L242 Difference]: Finished difference. Result has 145 places, 111 transitions, 491 flow [2021-12-21 15:05:27,584 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=365, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=491, PETRI_PLACES=145, PETRI_TRANSITIONS=111} [2021-12-21 15:05:27,584 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 43 predicate places. [2021-12-21 15:05:27,585 INFO L470 AbstractCegarLoop]: Abstraction has has 145 places, 111 transitions, 491 flow [2021-12-21 15:05:27,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 68.66666666666667) internal successors, (1030), 15 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:27,585 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:27,585 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:05:27,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 15:05:27,586 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:27,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:27,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1530359527, now seen corresponding path program 2 times [2021-12-21 15:05:27,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:27,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010546798] [2021-12-21 15:05:27,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:27,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:27,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:27,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:27,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010546798] [2021-12-21 15:05:27,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010546798] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:27,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:27,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 15:05:27,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455063978] [2021-12-21 15:05:27,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:27,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:05:27,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:27,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:05:27,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-21 15:05:27,670 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 99 [2021-12-21 15:05:27,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 111 transitions, 491 flow. Second operand has 7 states, 7 states have (on average 77.28571428571429) internal successors, (541), 7 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:27,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:27,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 99 [2021-12-21 15:05:27,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:27,969 INFO L129 PetriNetUnfolder]: 296/664 cut-off events. [2021-12-21 15:05:27,970 INFO L130 PetriNetUnfolder]: For 1625/1641 co-relation queries the response was YES. [2021-12-21 15:05:27,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2415 conditions, 664 events. 296/664 cut-off events. For 1625/1641 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3370 event pairs, 36 based on Foata normal form. 27/688 useless extension candidates. Maximal degree in co-relation 2379. Up to 161 conditions per place. [2021-12-21 15:05:27,974 INFO L132 encePairwiseOnDemand]: 90/99 looper letters, 39 selfloop transitions, 8 changer transitions 79/194 dead transitions. [2021-12-21 15:05:27,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 194 transitions, 1299 flow [2021-12-21 15:05:27,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-21 15:05:27,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-21 15:05:27,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1048 transitions. [2021-12-21 15:05:27,977 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8142968142968143 [2021-12-21 15:05:27,977 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1048 transitions. [2021-12-21 15:05:27,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1048 transitions. [2021-12-21 15:05:27,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:27,978 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1048 transitions. [2021-12-21 15:05:27,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 80.61538461538461) internal successors, (1048), 13 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:27,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 99.0) internal successors, (1386), 14 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:27,982 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 99.0) internal successors, (1386), 14 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:27,982 INFO L186 Difference]: Start difference. First operand has 145 places, 111 transitions, 491 flow. Second operand 13 states and 1048 transitions. [2021-12-21 15:05:27,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 194 transitions, 1299 flow [2021-12-21 15:05:27,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 194 transitions, 1082 flow, removed 83 selfloop flow, removed 19 redundant places. [2021-12-21 15:05:27,990 INFO L242 Difference]: Finished difference. Result has 138 places, 106 transitions, 413 flow [2021-12-21 15:05:27,990 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=413, PETRI_PLACES=138, PETRI_TRANSITIONS=106} [2021-12-21 15:05:27,991 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 36 predicate places. [2021-12-21 15:05:27,991 INFO L470 AbstractCegarLoop]: Abstraction has has 138 places, 106 transitions, 413 flow [2021-12-21 15:05:27,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 77.28571428571429) internal successors, (541), 7 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:27,991 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:27,992 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:05:27,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 15:05:27,992 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:27,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:27,992 INFO L85 PathProgramCache]: Analyzing trace with hash -33831393, now seen corresponding path program 1 times [2021-12-21 15:05:27,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:27,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838522360] [2021-12-21 15:05:27,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:27,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:28,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:28,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:28,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838522360] [2021-12-21 15:05:28,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838522360] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:28,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:28,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-21 15:05:28,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831436506] [2021-12-21 15:05:28,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:28,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-21 15:05:28,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:28,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-21 15:05:28,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-12-21 15:05:28,388 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 99 [2021-12-21 15:05:28,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 106 transitions, 413 flow. Second operand has 15 states, 15 states have (on average 68.8) internal successors, (1032), 15 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:28,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:28,390 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 99 [2021-12-21 15:05:28,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:28,701 INFO L129 PetriNetUnfolder]: 25/192 cut-off events. [2021-12-21 15:05:28,701 INFO L130 PetriNetUnfolder]: For 262/264 co-relation queries the response was YES. [2021-12-21 15:05:28,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 505 conditions, 192 events. 25/192 cut-off events. For 262/264 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 524 event pairs, 2 based on Foata normal form. 1/191 useless extension candidates. Maximal degree in co-relation 450. Up to 43 conditions per place. [2021-12-21 15:05:28,702 INFO L132 encePairwiseOnDemand]: 84/99 looper letters, 31 selfloop transitions, 27 changer transitions 6/122 dead transitions. [2021-12-21 15:05:28,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 122 transitions, 604 flow [2021-12-21 15:05:28,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-21 15:05:28,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-21 15:05:28,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 989 transitions. [2021-12-21 15:05:28,705 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7135642135642135 [2021-12-21 15:05:28,705 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 989 transitions. [2021-12-21 15:05:28,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 989 transitions. [2021-12-21 15:05:28,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:28,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 989 transitions. [2021-12-21 15:05:28,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 70.64285714285714) internal successors, (989), 14 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:28,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 99.0) internal successors, (1485), 15 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:28,709 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 99.0) internal successors, (1485), 15 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:28,709 INFO L186 Difference]: Start difference. First operand has 138 places, 106 transitions, 413 flow. Second operand 14 states and 989 transitions. [2021-12-21 15:05:28,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 122 transitions, 604 flow [2021-12-21 15:05:28,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 122 transitions, 538 flow, removed 12 selfloop flow, removed 17 redundant places. [2021-12-21 15:05:28,712 INFO L242 Difference]: Finished difference. Result has 129 places, 115 transitions, 488 flow [2021-12-21 15:05:28,712 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=488, PETRI_PLACES=129, PETRI_TRANSITIONS=115} [2021-12-21 15:05:28,713 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 27 predicate places. [2021-12-21 15:05:28,713 INFO L470 AbstractCegarLoop]: Abstraction has has 129 places, 115 transitions, 488 flow [2021-12-21 15:05:28,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 68.8) internal successors, (1032), 15 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:28,714 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:28,714 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:05:28,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 15:05:28,714 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:28,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:28,715 INFO L85 PathProgramCache]: Analyzing trace with hash 200919281, now seen corresponding path program 2 times [2021-12-21 15:05:28,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:28,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422045059] [2021-12-21 15:05:28,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:28,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:29,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:29,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:29,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422045059] [2021-12-21 15:05:29,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422045059] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:29,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:29,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-12-21 15:05:29,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880925322] [2021-12-21 15:05:29,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:29,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-21 15:05:29,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:29,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-21 15:05:29,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-12-21 15:05:29,208 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 99 [2021-12-21 15:05:29,209 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 115 transitions, 488 flow. Second operand has 18 states, 18 states have (on average 68.5) internal successors, (1233), 18 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:29,209 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:29,209 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 99 [2021-12-21 15:05:29,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:29,579 INFO L129 PetriNetUnfolder]: 25/203 cut-off events. [2021-12-21 15:05:29,579 INFO L130 PetriNetUnfolder]: For 162/164 co-relation queries the response was YES. [2021-12-21 15:05:29,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 512 conditions, 203 events. 25/203 cut-off events. For 162/164 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 625 event pairs, 5 based on Foata normal form. 1/203 useless extension candidates. Maximal degree in co-relation 494. Up to 32 conditions per place. [2021-12-21 15:05:29,580 INFO L132 encePairwiseOnDemand]: 86/99 looper letters, 26 selfloop transitions, 8 changer transitions 34/126 dead transitions. [2021-12-21 15:05:29,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 126 transitions, 678 flow [2021-12-21 15:05:29,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-21 15:05:29,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-21 15:05:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1053 transitions. [2021-12-21 15:05:29,582 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7090909090909091 [2021-12-21 15:05:29,582 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1053 transitions. [2021-12-21 15:05:29,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1053 transitions. [2021-12-21 15:05:29,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:29,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1053 transitions. [2021-12-21 15:05:29,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 70.2) internal successors, (1053), 15 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:29,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 99.0) internal successors, (1584), 16 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:29,586 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 99.0) internal successors, (1584), 16 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:29,586 INFO L186 Difference]: Start difference. First operand has 129 places, 115 transitions, 488 flow. Second operand 15 states and 1053 transitions. [2021-12-21 15:05:29,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 126 transitions, 678 flow [2021-12-21 15:05:29,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 126 transitions, 637 flow, removed 13 selfloop flow, removed 9 redundant places. [2021-12-21 15:05:29,589 INFO L242 Difference]: Finished difference. Result has 137 places, 92 transitions, 318 flow [2021-12-21 15:05:29,590 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=318, PETRI_PLACES=137, PETRI_TRANSITIONS=92} [2021-12-21 15:05:29,590 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 35 predicate places. [2021-12-21 15:05:29,590 INFO L470 AbstractCegarLoop]: Abstraction has has 137 places, 92 transitions, 318 flow [2021-12-21 15:05:29,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 68.5) internal successors, (1233), 18 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:29,591 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:05:29,591 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:05:29,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-21 15:05:29,591 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-21 15:05:29,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:05:29,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1650995421, now seen corresponding path program 3 times [2021-12-21 15:05:29,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:05:29,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829795492] [2021-12-21 15:05:29,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:05:29,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:05:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:05:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:05:29,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:05:29,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829795492] [2021-12-21 15:05:29,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829795492] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:05:29,689 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:05:29,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 15:05:29,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876467579] [2021-12-21 15:05:29,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:05:29,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:05:29,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:05:29,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:05:29,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 15:05:29,690 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 99 [2021-12-21 15:05:29,691 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 92 transitions, 318 flow. Second operand has 7 states, 7 states have (on average 77.71428571428571) internal successors, (544), 7 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:29,691 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:05:29,691 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 99 [2021-12-21 15:05:29,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:05:29,804 INFO L129 PetriNetUnfolder]: 14/124 cut-off events. [2021-12-21 15:05:29,804 INFO L130 PetriNetUnfolder]: For 105/105 co-relation queries the response was YES. [2021-12-21 15:05:29,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 124 events. 14/124 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 189 event pairs, 3 based on Foata normal form. 1/125 useless extension candidates. Maximal degree in co-relation 276. Up to 15 conditions per place. [2021-12-21 15:05:29,805 INFO L132 encePairwiseOnDemand]: 93/99 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions. [2021-12-21 15:05:29,805 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 93 transitions, 386 flow [2021-12-21 15:05:29,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:05:29,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-21 15:05:29,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 547 transitions. [2021-12-21 15:05:29,806 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7893217893217893 [2021-12-21 15:05:29,806 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 547 transitions. [2021-12-21 15:05:29,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 547 transitions. [2021-12-21 15:05:29,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:05:29,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 547 transitions. [2021-12-21 15:05:29,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 78.14285714285714) internal successors, (547), 7 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:29,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 99.0) internal successors, (792), 8 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:29,808 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 99.0) internal successors, (792), 8 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:29,808 INFO L186 Difference]: Start difference. First operand has 137 places, 92 transitions, 318 flow. Second operand 7 states and 547 transitions. [2021-12-21 15:05:29,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 93 transitions, 386 flow [2021-12-21 15:05:29,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 93 transitions, 329 flow, removed 12 selfloop flow, removed 19 redundant places. [2021-12-21 15:05:29,810 INFO L242 Difference]: Finished difference. Result has 107 places, 0 transitions, 0 flow [2021-12-21 15:05:29,810 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=263, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=107, PETRI_TRANSITIONS=0} [2021-12-21 15:05:29,810 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 5 predicate places. [2021-12-21 15:05:29,810 INFO L470 AbstractCegarLoop]: Abstraction has has 107 places, 0 transitions, 0 flow [2021-12-21 15:05:29,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 77.71428571428571) internal successors, (544), 7 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:05:29,813 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-12-21 15:05:29,813 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-12-21 15:05:29,813 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2021-12-21 15:05:29,813 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 5 remaining) [2021-12-21 15:05:29,813 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-12-21 15:05:29,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-21 15:05:29,816 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1] [2021-12-21 15:05:29,819 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-21 15:05:29,819 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 15:05:29,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 03:05:29 BasicIcfg [2021-12-21 15:05:29,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 15:05:29,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 15:05:29,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 15:05:29,822 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 15:05:29,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:05:22" (3/4) ... [2021-12-21 15:05:29,824 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 15:05:29,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-12-21 15:05:29,828 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-12-21 15:05:29,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 117 nodes and edges [2021-12-21 15:05:29,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-21 15:05:29,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-12-21 15:05:29,834 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 15:05:29,878 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 15:05:29,878 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 15:05:29,878 INFO L158 Benchmark]: Toolchain (without parser) took 9064.87ms. Allocated memory was 88.1MB in the beginning and 388.0MB in the end (delta: 299.9MB). Free memory was 59.1MB in the beginning and 139.9MB in the end (delta: -80.8MB). Peak memory consumption was 218.4MB. Max. memory is 16.1GB. [2021-12-21 15:05:29,879 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:05:29,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.21ms. Allocated memory is still 88.1MB. Free memory was 58.8MB in the beginning and 49.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 15:05:29,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.34ms. Allocated memory is still 88.1MB. Free memory was 49.5MB in the beginning and 45.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 15:05:29,879 INFO L158 Benchmark]: Boogie Preprocessor took 51.79ms. Allocated memory is still 88.1MB. Free memory was 45.6MB in the beginning and 42.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 15:05:29,881 INFO L158 Benchmark]: RCFGBuilder took 1107.71ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 42.8MB in the beginning and 49.4MB in the end (delta: -6.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-12-21 15:05:29,881 INFO L158 Benchmark]: TraceAbstraction took 7310.72ms. Allocated memory was 113.2MB in the beginning and 388.0MB in the end (delta: 274.7MB). Free memory was 48.5MB in the beginning and 148.3MB in the end (delta: -99.7MB). Peak memory consumption was 174.6MB. Max. memory is 16.1GB. [2021-12-21 15:05:29,881 INFO L158 Benchmark]: Witness Printer took 55.86ms. Allocated memory is still 388.0MB. Free memory was 148.3MB in the beginning and 139.9MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-21 15:05:29,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 471.21ms. Allocated memory is still 88.1MB. Free memory was 58.8MB in the beginning and 49.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.34ms. Allocated memory is still 88.1MB. Free memory was 49.5MB in the beginning and 45.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.79ms. Allocated memory is still 88.1MB. Free memory was 45.6MB in the beginning and 42.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1107.71ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 42.8MB in the beginning and 49.4MB in the end (delta: -6.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7310.72ms. Allocated memory was 113.2MB in the beginning and 388.0MB in the end (delta: 274.7MB). Free memory was 48.5MB in the beginning and 148.3MB in the end (delta: -99.7MB). Peak memory consumption was 174.6MB. Max. memory is 16.1GB. * Witness Printer took 55.86ms. Allocated memory is still 388.0MB. Free memory was 148.3MB in the beginning and 139.9MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 120 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.1s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 651 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 651 mSDsluCounter, 633 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 962 mSDsCounter, 217 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1857 IncrementalHoareTripleChecker+Invalid, 2074 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 217 mSolverCounterUnsat, 106 mSDtfsCounter, 1857 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=491occurred in iteration=7, InterpolantAutomatonStates: 139, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 780 NumberOfCodeBlocks, 780 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 769 ConstructedInterpolants, 0 QuantifiedInterpolants, 5471 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-12-21 15:05:29,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE