./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe035_power.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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/safe035_power.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 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 02:52:01,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 02:52:01,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 02:52:01,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 02:52:01,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 02:52:01,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 02:52:01,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 02:52:01,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 02:52:01,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 02:52:01,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 02:52:01,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 02:52:01,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 02:52:01,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 02:52:01,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 02:52:01,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 02:52:01,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 02:52:01,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 02:52:01,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 02:52:01,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 02:52:01,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 02:52:01,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 02:52:01,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 02:52:01,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 02:52:01,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 02:52:01,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 02:52:01,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 02:52:01,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 02:52:01,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 02:52:01,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 02:52:01,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 02:52:01,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 02:52:01,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 02:52:01,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 02:52:01,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 02:52:01,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 02:52:01,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 02:52:01,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 02:52:01,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 02:52:01,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 02:52:01,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 02:52:01,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 02:52:01,812 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 02:52:01,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 02:52:01,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 02:52:01,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 02:52:01,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 02:52:01,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 02:52:01,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 02:52:01,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 02:52:01,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 02:52:01,847 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 02:52:01,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 02:52:01,848 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 02:52:01,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 02:52:01,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 02:52:01,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 02:52:01,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 02:52:01,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 02:52:01,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 02:52:01,849 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 02:52:01,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 02:52:01,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 02:52:01,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 02:52:01,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 02:52:01,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 02:52:01,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 02:52:01,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:52:01,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 02:52:01,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 02:52:01,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 02:52:01,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 02:52:01,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 02:52:01,860 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 02:52:01,860 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 02:52:01,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 02:52:01,861 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 [2021-12-28 02:52:02,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 02:52:02,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 02:52:02,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 02:52:02,209 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 02:52:02,211 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 02:52:02,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe035_power.i [2021-12-28 02:52:02,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20241e9ba/5a750fb0c37d4346abfbfbf235594384/FLAG02b6ededa [2021-12-28 02:52:02,841 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 02:52:02,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i [2021-12-28 02:52:02,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20241e9ba/5a750fb0c37d4346abfbfbf235594384/FLAG02b6ededa [2021-12-28 02:52:03,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20241e9ba/5a750fb0c37d4346abfbfbf235594384 [2021-12-28 02:52:03,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 02:52:03,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 02:52:03,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 02:52:03,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 02:52:03,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 02:52:03,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:52:03" (1/1) ... [2021-12-28 02:52:03,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d144d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:03, skipping insertion in model container [2021-12-28 02:52:03,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:52:03" (1/1) ... [2021-12-28 02:52:03,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 02:52:03,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 02:52:03,378 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/safe035_power.i[947,960] [2021-12-28 02:52:03,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 02:52:03,665 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 02:52:03,675 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/safe035_power.i[947,960] [2021-12-28 02:52:03,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 02:52:03,780 INFO L208 MainTranslator]: Completed translation [2021-12-28 02:52:03,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:03 WrapperNode [2021-12-28 02:52:03,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 02:52:03,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 02:52:03,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 02:52:03,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 02:52:03,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:03" (1/1) ... [2021-12-28 02:52:03,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:03" (1/1) ... [2021-12-28 02:52:03,880 INFO L137 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 484 [2021-12-28 02:52:03,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 02:52:03,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 02:52:03,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 02:52:03,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 02:52:03,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:03" (1/1) ... [2021-12-28 02:52:03,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:03" (1/1) ... [2021-12-28 02:52:03,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:03" (1/1) ... [2021-12-28 02:52:03,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:03" (1/1) ... [2021-12-28 02:52:03,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:03" (1/1) ... [2021-12-28 02:52:03,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:03" (1/1) ... [2021-12-28 02:52:03,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:03" (1/1) ... [2021-12-28 02:52:03,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 02:52:03,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 02:52:03,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 02:52:03,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 02:52:03,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:03" (1/1) ... [2021-12-28 02:52:03,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:52:03,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 02:52:04,009 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) [2021-12-28 02:52:04,032 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 [2021-12-28 02:52:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 02:52:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-28 02:52:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 02:52:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 02:52:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 02:52:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-28 02:52:04,050 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-28 02:52:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-28 02:52:04,050 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-28 02:52:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-28 02:52:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-28 02:52:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 02:52:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-28 02:52:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 02:52:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 02:52:04,053 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-28 02:52:04,230 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 02:52:04,244 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 02:52:05,143 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 02:52:05,859 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 02:52:05,859 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 02:52:05,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:52:05 BoogieIcfgContainer [2021-12-28 02:52:05,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 02:52:05,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 02:52:05,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 02:52:05,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 02:52:05,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 02:52:03" (1/3) ... [2021-12-28 02:52:05,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288dc9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:52:05, skipping insertion in model container [2021-12-28 02:52:05,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:52:03" (2/3) ... [2021-12-28 02:52:05,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288dc9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:52:05, skipping insertion in model container [2021-12-28 02:52:05,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:52:05" (3/3) ... [2021-12-28 02:52:05,870 INFO L111 eAbstractionObserver]: Analyzing ICFG safe035_power.i [2021-12-28 02:52:05,875 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-28 02:52:05,876 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 02:52:05,876 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-28 02:52:05,876 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-28 02:52:05,936 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,936 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,937 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,937 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,937 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,937 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,937 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,938 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,938 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,938 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,938 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,938 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,938 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,939 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,939 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,939 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,940 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,940 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,940 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,940 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,940 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,940 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,941 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,941 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,942 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,942 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,942 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,942 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,942 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,943 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,943 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,943 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,943 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,943 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,943 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,944 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,944 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,945 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,945 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,945 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,945 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,945 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,946 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,946 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,946 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,946 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,946 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,946 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,947 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,947 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,947 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,947 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,947 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,947 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,947 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,948 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,948 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,948 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,949 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,949 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,949 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,949 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,950 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,950 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,950 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,950 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,950 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,951 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,951 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,951 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,952 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,952 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,952 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,952 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,952 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,952 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,953 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,953 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,953 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,953 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,953 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,953 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,953 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,954 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,954 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,954 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,954 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,954 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,954 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,955 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,955 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,955 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,955 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,955 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,955 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,956 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,956 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,956 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,956 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,956 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,958 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,959 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,959 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,959 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,959 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,959 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,960 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,960 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,960 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,960 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,960 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,960 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,960 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,961 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,961 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,961 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,961 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,961 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,961 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,961 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,962 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,962 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,962 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,962 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,962 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,962 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,962 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,963 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,963 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,963 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,963 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,963 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,963 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,963 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,964 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,964 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,964 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,964 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,966 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,967 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,967 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,967 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,967 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,967 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,967 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,968 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,968 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,968 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,968 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,968 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,969 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,969 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,969 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,970 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,970 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,970 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,970 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,971 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,971 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,971 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,971 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,971 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,971 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,971 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,972 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,972 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,972 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,972 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,972 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,973 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,973 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,973 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,973 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,973 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,974 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,974 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,974 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,974 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,974 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,975 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,975 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,975 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,975 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,975 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,976 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,976 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,976 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,977 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,977 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,977 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,977 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,977 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,977 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,977 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,977 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,978 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,978 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,978 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,978 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,978 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,978 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,978 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,979 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,979 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,979 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,979 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,979 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,979 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,979 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,980 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,980 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,980 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,980 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,980 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,980 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,981 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,981 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,981 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,981 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,981 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,981 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,982 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,982 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,982 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,984 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,984 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,985 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,985 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,985 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,985 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,985 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,985 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,985 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,986 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,986 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,986 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,986 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,986 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,986 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,986 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,987 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,987 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,987 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,987 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,987 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,987 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,987 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,988 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,988 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,988 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,988 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,988 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,988 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,989 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,989 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,989 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,989 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,989 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,989 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,989 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,990 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,990 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,992 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,992 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:05,993 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,016 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,016 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,016 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,017 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,017 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,017 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,019 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,019 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,019 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,019 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,022 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,023 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,023 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,023 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,023 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,023 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,024 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,024 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,024 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,024 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,024 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,024 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,025 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,025 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,025 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,025 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,026 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,026 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,026 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,027 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,027 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,027 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,027 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,027 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,028 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,028 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,028 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,028 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,028 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,028 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,029 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,029 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,029 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,029 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,029 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,029 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,030 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,030 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,030 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,030 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,030 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,030 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,031 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,031 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,031 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,031 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,031 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,031 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,032 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,032 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,032 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,032 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,032 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,032 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,033 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,033 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,037 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,037 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,037 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,037 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,037 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,037 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,038 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,038 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,038 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,038 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,038 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,038 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,039 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,039 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,039 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,039 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,039 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,039 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,040 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,040 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,040 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,040 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:52:06,041 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-28 02:52:06,092 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 02:52:06,100 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 [2021-12-28 02:52:06,100 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-12-28 02:52:06,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 119 transitions, 253 flow [2021-12-28 02:52:06,164 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-12-28 02:52:06,165 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-28 02:52:06,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-12-28 02:52:06,169 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 119 transitions, 253 flow [2021-12-28 02:52:06,174 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 116 transitions, 241 flow [2021-12-28 02:52:06,191 INFO L129 PetriNetUnfolder]: 0/78 cut-off events. [2021-12-28 02:52:06,191 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-28 02:52:06,191 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:06,192 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] [2021-12-28 02:52:06,193 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:06,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:06,197 INFO L85 PathProgramCache]: Analyzing trace with hash 159138810, now seen corresponding path program 1 times [2021-12-28 02:52:06,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:06,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562386149] [2021-12-28 02:52:06,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:06,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:06,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:06,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:06,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562386149] [2021-12-28 02:52:06,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562386149] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:06,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:06,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 02:52:06,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954860412] [2021-12-28 02:52:06,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:06,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 02:52:06,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:06,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 02:52:06,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 02:52:06,577 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 119 [2021-12-28 02:52:06,580 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 116 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:06,581 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:06,581 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 119 [2021-12-28 02:52:06,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:07,045 INFO L129 PetriNetUnfolder]: 359/1823 cut-off events. [2021-12-28 02:52:07,045 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-12-28 02:52:07,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2415 conditions, 1823 events. 359/1823 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 15943 event pairs, 131 based on Foata normal form. 92/1812 useless extension candidates. Maximal degree in co-relation 2362. Up to 445 conditions per place. [2021-12-28 02:52:07,062 INFO L132 encePairwiseOnDemand]: 114/119 looper letters, 20 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2021-12-28 02:52:07,062 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 119 transitions, 291 flow [2021-12-28 02:52:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 02:52:07,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-28 02:52:07,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 327 transitions. [2021-12-28 02:52:07,076 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9159663865546218 [2021-12-28 02:52:07,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 327 transitions. [2021-12-28 02:52:07,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 327 transitions. [2021-12-28 02:52:07,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:07,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 327 transitions. [2021-12-28 02:52:07,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:07,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:07,091 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:07,093 INFO L186 Difference]: Start difference. First operand has 124 places, 116 transitions, 241 flow. Second operand 3 states and 327 transitions. [2021-12-28 02:52:07,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 119 transitions, 291 flow [2021-12-28 02:52:07,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 119 transitions, 288 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-12-28 02:52:07,100 INFO L242 Difference]: Finished difference. Result has 121 places, 112 transitions, 234 flow [2021-12-28 02:52:07,102 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=121, PETRI_TRANSITIONS=112} [2021-12-28 02:52:07,106 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, -3 predicate places. [2021-12-28 02:52:07,106 INFO L470 AbstractCegarLoop]: Abstraction has has 121 places, 112 transitions, 234 flow [2021-12-28 02:52:07,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:07,107 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:07,107 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] [2021-12-28 02:52:07,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 02:52:07,108 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:07,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:07,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1597697283, now seen corresponding path program 1 times [2021-12-28 02:52:07,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:07,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831798314] [2021-12-28 02:52:07,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:07,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:07,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:07,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:07,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831798314] [2021-12-28 02:52:07,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831798314] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:07,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:07,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 02:52:07,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997409641] [2021-12-28 02:52:07,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:07,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 02:52:07,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:07,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 02:52:07,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 02:52:07,364 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 119 [2021-12-28 02:52:07,365 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 112 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 95.83333333333333) internal successors, (575), 6 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:07,365 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:07,365 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 119 [2021-12-28 02:52:07,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:08,259 INFO L129 PetriNetUnfolder]: 1143/2848 cut-off events. [2021-12-28 02:52:08,260 INFO L130 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2021-12-28 02:52:08,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4692 conditions, 2848 events. 1143/2848 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 22066 event pairs, 206 based on Foata normal form. 0/2781 useless extension candidates. Maximal degree in co-relation 4639. Up to 561 conditions per place. [2021-12-28 02:52:08,275 INFO L132 encePairwiseOnDemand]: 113/119 looper letters, 24 selfloop transitions, 2 changer transitions 63/169 dead transitions. [2021-12-28 02:52:08,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 169 transitions, 510 flow [2021-12-28 02:52:08,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 02:52:08,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-28 02:52:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 926 transitions. [2021-12-28 02:52:08,283 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8646125116713352 [2021-12-28 02:52:08,283 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 926 transitions. [2021-12-28 02:52:08,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 926 transitions. [2021-12-28 02:52:08,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:08,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 926 transitions. [2021-12-28 02:52:08,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 102.88888888888889) internal successors, (926), 9 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:08,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 119.0) internal successors, (1190), 10 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:08,292 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 119.0) internal successors, (1190), 10 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:08,293 INFO L186 Difference]: Start difference. First operand has 121 places, 112 transitions, 234 flow. Second operand 9 states and 926 transitions. [2021-12-28 02:52:08,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 169 transitions, 510 flow [2021-12-28 02:52:08,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 169 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-28 02:52:08,299 INFO L242 Difference]: Finished difference. Result has 134 places, 100 transitions, 226 flow [2021-12-28 02:52:08,299 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=226, PETRI_PLACES=134, PETRI_TRANSITIONS=100} [2021-12-28 02:52:08,300 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 10 predicate places. [2021-12-28 02:52:08,300 INFO L470 AbstractCegarLoop]: Abstraction has has 134 places, 100 transitions, 226 flow [2021-12-28 02:52:08,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 95.83333333333333) internal successors, (575), 6 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:08,302 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:08,302 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:08,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 02:52:08,302 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:08,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:08,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1540814522, now seen corresponding path program 1 times [2021-12-28 02:52:08,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:08,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297616996] [2021-12-28 02:52:08,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:08,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:08,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:08,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:08,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297616996] [2021-12-28 02:52:08,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297616996] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:08,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:08,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-28 02:52:08,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520174327] [2021-12-28 02:52:08,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:08,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-28 02:52:08,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:08,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-28 02:52:08,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-28 02:52:08,577 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 119 [2021-12-28 02:52:08,578 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 100 transitions, 226 flow. Second operand has 8 states, 8 states have (on average 92.125) internal successors, (737), 8 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:08,578 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:08,578 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 119 [2021-12-28 02:52:08,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:09,458 INFO L129 PetriNetUnfolder]: 1189/2301 cut-off events. [2021-12-28 02:52:09,458 INFO L130 PetriNetUnfolder]: For 478/478 co-relation queries the response was YES. [2021-12-28 02:52:09,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4722 conditions, 2301 events. 1189/2301 cut-off events. For 478/478 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 14053 event pairs, 463 based on Foata normal form. 47/2261 useless extension candidates. Maximal degree in co-relation 4659. Up to 1134 conditions per place. [2021-12-28 02:52:09,476 INFO L132 encePairwiseOnDemand]: 105/119 looper letters, 26 selfloop transitions, 15 changer transitions 49/166 dead transitions. [2021-12-28 02:52:09,476 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 166 transitions, 559 flow [2021-12-28 02:52:09,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-28 02:52:09,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-28 02:52:09,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 992 transitions. [2021-12-28 02:52:09,479 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8336134453781513 [2021-12-28 02:52:09,479 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 992 transitions. [2021-12-28 02:52:09,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 992 transitions. [2021-12-28 02:52:09,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:09,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 992 transitions. [2021-12-28 02:52:09,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 99.2) internal successors, (992), 10 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:09,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 119.0) internal successors, (1309), 11 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:09,486 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 119.0) internal successors, (1309), 11 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:09,486 INFO L186 Difference]: Start difference. First operand has 134 places, 100 transitions, 226 flow. Second operand 10 states and 992 transitions. [2021-12-28 02:52:09,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 166 transitions, 559 flow [2021-12-28 02:52:09,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 166 transitions, 525 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-12-28 02:52:09,501 INFO L242 Difference]: Finished difference. Result has 125 places, 114 transitions, 328 flow [2021-12-28 02:52:09,502 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=328, PETRI_PLACES=125, PETRI_TRANSITIONS=114} [2021-12-28 02:52:09,502 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 1 predicate places. [2021-12-28 02:52:09,503 INFO L470 AbstractCegarLoop]: Abstraction has has 125 places, 114 transitions, 328 flow [2021-12-28 02:52:09,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 92.125) internal successors, (737), 8 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:09,503 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:09,504 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:09,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 02:52:09,504 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:09,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:09,505 INFO L85 PathProgramCache]: Analyzing trace with hash 243236602, now seen corresponding path program 2 times [2021-12-28 02:52:09,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:09,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447796789] [2021-12-28 02:52:09,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:09,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:09,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:09,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447796789] [2021-12-28 02:52:09,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447796789] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:09,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:09,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-28 02:52:09,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315990482] [2021-12-28 02:52:09,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:09,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-28 02:52:09,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:09,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-28 02:52:09,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-12-28 02:52:09,974 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 119 [2021-12-28 02:52:09,975 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 114 transitions, 328 flow. Second operand has 12 states, 12 states have (on average 88.66666666666667) internal successors, (1064), 12 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:09,975 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:09,975 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 119 [2021-12-28 02:52:09,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:11,108 INFO L129 PetriNetUnfolder]: 1317/2579 cut-off events. [2021-12-28 02:52:11,109 INFO L130 PetriNetUnfolder]: For 3988/10918 co-relation queries the response was YES. [2021-12-28 02:52:11,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8212 conditions, 2579 events. 1317/2579 cut-off events. For 3988/10918 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 16892 event pairs, 462 based on Foata normal form. 38/2510 useless extension candidates. Maximal degree in co-relation 8145. Up to 1229 conditions per place. [2021-12-28 02:52:11,136 INFO L132 encePairwiseOnDemand]: 102/119 looper letters, 56 selfloop transitions, 22 changer transitions 25/176 dead transitions. [2021-12-28 02:52:11,136 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 176 transitions, 871 flow [2021-12-28 02:52:11,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-28 02:52:11,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-28 02:52:11,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1038 transitions. [2021-12-28 02:52:11,139 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7929717341482048 [2021-12-28 02:52:11,140 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1038 transitions. [2021-12-28 02:52:11,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1038 transitions. [2021-12-28 02:52:11,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:11,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1038 transitions. [2021-12-28 02:52:11,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 94.36363636363636) internal successors, (1038), 11 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:11,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:11,146 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:11,146 INFO L186 Difference]: Start difference. First operand has 125 places, 114 transitions, 328 flow. Second operand 11 states and 1038 transitions. [2021-12-28 02:52:11,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 176 transitions, 871 flow [2021-12-28 02:52:11,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 176 transitions, 861 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-12-28 02:52:11,157 INFO L242 Difference]: Finished difference. Result has 133 places, 135 transitions, 555 flow [2021-12-28 02:52:11,157 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=555, PETRI_PLACES=133, PETRI_TRANSITIONS=135} [2021-12-28 02:52:11,158 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 9 predicate places. [2021-12-28 02:52:11,158 INFO L470 AbstractCegarLoop]: Abstraction has has 133 places, 135 transitions, 555 flow [2021-12-28 02:52:11,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 88.66666666666667) internal successors, (1064), 12 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:11,159 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:11,159 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:11,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 02:52:11,159 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:11,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:11,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1885551681, now seen corresponding path program 1 times [2021-12-28 02:52:11,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:11,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408015995] [2021-12-28 02:52:11,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:11,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:11,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:11,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408015995] [2021-12-28 02:52:11,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408015995] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:11,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:11,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-28 02:52:11,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172157232] [2021-12-28 02:52:11,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:11,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-28 02:52:11,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:11,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-28 02:52:11,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-12-28 02:52:11,515 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-12-28 02:52:11,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 135 transitions, 555 flow. Second operand has 14 states, 14 states have (on average 87.57142857142857) internal successors, (1226), 14 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:11,516 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:11,516 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-12-28 02:52:11,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:12,570 INFO L129 PetriNetUnfolder]: 1159/2448 cut-off events. [2021-12-28 02:52:12,570 INFO L130 PetriNetUnfolder]: For 5729/13174 co-relation queries the response was YES. [2021-12-28 02:52:12,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8921 conditions, 2448 events. 1159/2448 cut-off events. For 5729/13174 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 16699 event pairs, 494 based on Foata normal form. 29/2334 useless extension candidates. Maximal degree in co-relation 8845. Up to 1581 conditions per place. [2021-12-28 02:52:12,602 INFO L132 encePairwiseOnDemand]: 103/119 looper letters, 61 selfloop transitions, 30 changer transitions 37/200 dead transitions. [2021-12-28 02:52:12,603 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 200 transitions, 1263 flow [2021-12-28 02:52:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-28 02:52:12,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-28 02:52:12,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1378 transitions. [2021-12-28 02:52:12,607 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7719887955182073 [2021-12-28 02:52:12,607 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1378 transitions. [2021-12-28 02:52:12,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1378 transitions. [2021-12-28 02:52:12,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:12,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1378 transitions. [2021-12-28 02:52:12,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 91.86666666666666) internal successors, (1378), 15 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:12,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:12,614 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:12,614 INFO L186 Difference]: Start difference. First operand has 133 places, 135 transitions, 555 flow. Second operand 15 states and 1378 transitions. [2021-12-28 02:52:12,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 200 transitions, 1263 flow [2021-12-28 02:52:12,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 200 transitions, 1215 flow, removed 22 selfloop flow, removed 5 redundant places. [2021-12-28 02:52:12,627 INFO L242 Difference]: Finished difference. Result has 148 places, 153 transitions, 806 flow [2021-12-28 02:52:12,627 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=806, PETRI_PLACES=148, PETRI_TRANSITIONS=153} [2021-12-28 02:52:12,628 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 24 predicate places. [2021-12-28 02:52:12,628 INFO L470 AbstractCegarLoop]: Abstraction has has 148 places, 153 transitions, 806 flow [2021-12-28 02:52:12,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 87.57142857142857) internal successors, (1226), 14 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:12,629 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:12,629 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:12,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 02:52:12,630 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:12,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:12,630 INFO L85 PathProgramCache]: Analyzing trace with hash 261692887, now seen corresponding path program 1 times [2021-12-28 02:52:12,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:12,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949890652] [2021-12-28 02:52:12,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:12,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:12,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:12,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949890652] [2021-12-28 02:52:12,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949890652] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:12,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:12,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-28 02:52:12,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838709224] [2021-12-28 02:52:12,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:12,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-28 02:52:12,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:12,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-28 02:52:12,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-28 02:52:12,932 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-12-28 02:52:12,933 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 153 transitions, 806 flow. Second operand has 11 states, 11 states have (on average 88.0) internal successors, (968), 11 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:12,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:12,933 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-12-28 02:52:12,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:14,122 INFO L129 PetriNetUnfolder]: 1443/2883 cut-off events. [2021-12-28 02:52:14,123 INFO L130 PetriNetUnfolder]: For 12550/29454 co-relation queries the response was YES. [2021-12-28 02:52:14,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12698 conditions, 2883 events. 1443/2883 cut-off events. For 12550/29454 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 19592 event pairs, 194 based on Foata normal form. 67/2839 useless extension candidates. Maximal degree in co-relation 12612. Up to 1422 conditions per place. [2021-12-28 02:52:14,162 INFO L132 encePairwiseOnDemand]: 103/119 looper letters, 63 selfloop transitions, 59 changer transitions 49/243 dead transitions. [2021-12-28 02:52:14,162 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 243 transitions, 1991 flow [2021-12-28 02:52:14,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 02:52:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-28 02:52:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1228 transitions. [2021-12-28 02:52:14,166 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7937944408532643 [2021-12-28 02:52:14,167 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1228 transitions. [2021-12-28 02:52:14,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1228 transitions. [2021-12-28 02:52:14,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:14,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1228 transitions. [2021-12-28 02:52:14,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 94.46153846153847) internal successors, (1228), 13 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:14,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:14,174 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:14,174 INFO L186 Difference]: Start difference. First operand has 148 places, 153 transitions, 806 flow. Second operand 13 states and 1228 transitions. [2021-12-28 02:52:14,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 243 transitions, 1991 flow [2021-12-28 02:52:14,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 243 transitions, 1939 flow, removed 22 selfloop flow, removed 7 redundant places. [2021-12-28 02:52:14,201 INFO L242 Difference]: Finished difference. Result has 156 places, 187 transitions, 1328 flow [2021-12-28 02:52:14,201 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1328, PETRI_PLACES=156, PETRI_TRANSITIONS=187} [2021-12-28 02:52:14,202 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 32 predicate places. [2021-12-28 02:52:14,202 INFO L470 AbstractCegarLoop]: Abstraction has has 156 places, 187 transitions, 1328 flow [2021-12-28 02:52:14,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 88.0) internal successors, (968), 11 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:14,203 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:14,203 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:14,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 02:52:14,204 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:14,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:14,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1676887911, now seen corresponding path program 2 times [2021-12-28 02:52:14,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:14,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897070959] [2021-12-28 02:52:14,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:14,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:14,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:14,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:14,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897070959] [2021-12-28 02:52:14,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897070959] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:14,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:14,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 02:52:14,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681718263] [2021-12-28 02:52:14,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:14,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 02:52:14,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:14,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 02:52:14,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 02:52:14,342 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 119 [2021-12-28 02:52:14,342 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 187 transitions, 1328 flow. Second operand has 6 states, 6 states have (on average 92.5) internal successors, (555), 6 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:14,342 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:14,343 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 119 [2021-12-28 02:52:14,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:16,664 INFO L129 PetriNetUnfolder]: 7338/12961 cut-off events. [2021-12-28 02:52:16,664 INFO L130 PetriNetUnfolder]: For 75298/75670 co-relation queries the response was YES. [2021-12-28 02:52:16,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52617 conditions, 12961 events. 7338/12961 cut-off events. For 75298/75670 co-relation queries the response was YES. Maximal size of possible extension queue 732. Compared 102958 event pairs, 325 based on Foata normal form. 62/12735 useless extension candidates. Maximal degree in co-relation 52533. Up to 3364 conditions per place. [2021-12-28 02:52:16,765 INFO L132 encePairwiseOnDemand]: 109/119 looper letters, 183 selfloop transitions, 7 changer transitions 232/510 dead transitions. [2021-12-28 02:52:16,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 510 transitions, 5278 flow [2021-12-28 02:52:16,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-28 02:52:16,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-28 02:52:16,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1022 transitions. [2021-12-28 02:52:16,775 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8588235294117647 [2021-12-28 02:52:16,776 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1022 transitions. [2021-12-28 02:52:16,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1022 transitions. [2021-12-28 02:52:16,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:16,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1022 transitions. [2021-12-28 02:52:16,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 102.2) internal successors, (1022), 10 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:16,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 119.0) internal successors, (1309), 11 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:16,789 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 119.0) internal successors, (1309), 11 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:16,789 INFO L186 Difference]: Start difference. First operand has 156 places, 187 transitions, 1328 flow. Second operand 10 states and 1022 transitions. [2021-12-28 02:52:16,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 510 transitions, 5278 flow [2021-12-28 02:52:17,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 510 transitions, 4999 flow, removed 139 selfloop flow, removed 7 redundant places. [2021-12-28 02:52:17,093 INFO L242 Difference]: Finished difference. Result has 158 places, 180 transitions, 1154 flow [2021-12-28 02:52:17,093 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1154, PETRI_PLACES=158, PETRI_TRANSITIONS=180} [2021-12-28 02:52:17,095 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 34 predicate places. [2021-12-28 02:52:17,095 INFO L470 AbstractCegarLoop]: Abstraction has has 158 places, 180 transitions, 1154 flow [2021-12-28 02:52:17,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 92.5) internal successors, (555), 6 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:17,096 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:17,096 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:17,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 02:52:17,096 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:17,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:17,098 INFO L85 PathProgramCache]: Analyzing trace with hash -2056090756, now seen corresponding path program 1 times [2021-12-28 02:52:17,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:17,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406873156] [2021-12-28 02:52:17,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:17,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:17,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:17,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:17,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406873156] [2021-12-28 02:52:17,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406873156] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:17,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:17,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-28 02:52:17,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198754557] [2021-12-28 02:52:17,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:17,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-28 02:52:17,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:17,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-28 02:52:17,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-12-28 02:52:17,529 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-12-28 02:52:17,530 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 180 transitions, 1154 flow. Second operand has 12 states, 12 states have (on average 87.91666666666667) internal successors, (1055), 12 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:17,530 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:17,531 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-12-28 02:52:17,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:18,811 INFO L129 PetriNetUnfolder]: 1557/4733 cut-off events. [2021-12-28 02:52:18,811 INFO L130 PetriNetUnfolder]: For 16744/18157 co-relation queries the response was YES. [2021-12-28 02:52:18,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17847 conditions, 4733 events. 1557/4733 cut-off events. For 16744/18157 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 46940 event pairs, 381 based on Foata normal form. 101/4554 useless extension candidates. Maximal degree in co-relation 17754. Up to 1058 conditions per place. [2021-12-28 02:52:18,851 INFO L132 encePairwiseOnDemand]: 104/119 looper letters, 93 selfloop transitions, 41 changer transitions 30/240 dead transitions. [2021-12-28 02:52:18,852 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 240 transitions, 2101 flow [2021-12-28 02:52:18,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 02:52:18,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-28 02:52:18,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1215 transitions. [2021-12-28 02:52:18,855 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7853910795087266 [2021-12-28 02:52:18,856 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1215 transitions. [2021-12-28 02:52:18,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1215 transitions. [2021-12-28 02:52:18,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:18,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1215 transitions. [2021-12-28 02:52:18,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 93.46153846153847) internal successors, (1215), 13 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:18,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:18,863 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:18,863 INFO L186 Difference]: Start difference. First operand has 158 places, 180 transitions, 1154 flow. Second operand 13 states and 1215 transitions. [2021-12-28 02:52:18,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 240 transitions, 2101 flow [2021-12-28 02:52:18,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 240 transitions, 2088 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-12-28 02:52:18,899 INFO L242 Difference]: Finished difference. Result has 165 places, 173 transitions, 1220 flow [2021-12-28 02:52:18,900 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1141, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1220, PETRI_PLACES=165, PETRI_TRANSITIONS=173} [2021-12-28 02:52:18,900 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 41 predicate places. [2021-12-28 02:52:18,901 INFO L470 AbstractCegarLoop]: Abstraction has has 165 places, 173 transitions, 1220 flow [2021-12-28 02:52:18,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 87.91666666666667) internal successors, (1055), 12 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:18,901 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:18,902 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:18,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-28 02:52:18,902 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:18,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:18,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1639559514, now seen corresponding path program 2 times [2021-12-28 02:52:18,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:18,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580321817] [2021-12-28 02:52:18,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:18,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:19,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:19,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:19,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580321817] [2021-12-28 02:52:19,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580321817] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:19,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:19,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:52:19,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089424535] [2021-12-28 02:52:19,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:19,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:52:19,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:19,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:52:19,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:52:19,054 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 119 [2021-12-28 02:52:19,055 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 173 transitions, 1220 flow. Second operand has 7 states, 7 states have (on average 92.42857142857143) internal successors, (647), 7 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:19,055 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:19,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 119 [2021-12-28 02:52:19,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:20,351 INFO L129 PetriNetUnfolder]: 2690/5991 cut-off events. [2021-12-28 02:52:20,351 INFO L130 PetriNetUnfolder]: For 27132/27160 co-relation queries the response was YES. [2021-12-28 02:52:20,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24385 conditions, 5991 events. 2690/5991 cut-off events. For 27132/27160 co-relation queries the response was YES. Maximal size of possible extension queue 362. Compared 51578 event pairs, 299 based on Foata normal form. 184/6143 useless extension candidates. Maximal degree in co-relation 24296. Up to 1262 conditions per place. [2021-12-28 02:52:20,403 INFO L132 encePairwiseOnDemand]: 109/119 looper letters, 144 selfloop transitions, 18 changer transitions 121/370 dead transitions. [2021-12-28 02:52:20,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 370 transitions, 3576 flow [2021-12-28 02:52:20,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-28 02:52:20,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-28 02:52:20,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1126 transitions. [2021-12-28 02:52:20,407 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8601986249045073 [2021-12-28 02:52:20,407 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1126 transitions. [2021-12-28 02:52:20,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1126 transitions. [2021-12-28 02:52:20,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:20,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1126 transitions. [2021-12-28 02:52:20,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 102.36363636363636) internal successors, (1126), 11 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:20,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:20,413 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:20,413 INFO L186 Difference]: Start difference. First operand has 165 places, 173 transitions, 1220 flow. Second operand 11 states and 1126 transitions. [2021-12-28 02:52:20,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 370 transitions, 3576 flow [2021-12-28 02:52:20,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 370 transitions, 3449 flow, removed 33 selfloop flow, removed 4 redundant places. [2021-12-28 02:52:20,470 INFO L242 Difference]: Finished difference. Result has 177 places, 166 transitions, 1125 flow [2021-12-28 02:52:20,471 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1022, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1125, PETRI_PLACES=177, PETRI_TRANSITIONS=166} [2021-12-28 02:52:20,471 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 53 predicate places. [2021-12-28 02:52:20,471 INFO L470 AbstractCegarLoop]: Abstraction has has 177 places, 166 transitions, 1125 flow [2021-12-28 02:52:20,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 92.42857142857143) internal successors, (647), 7 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:20,472 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:20,472 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:20,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-28 02:52:20,473 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:20,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:20,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1224440998, now seen corresponding path program 1 times [2021-12-28 02:52:20,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:20,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168720224] [2021-12-28 02:52:20,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:20,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:21,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:21,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168720224] [2021-12-28 02:52:21,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168720224] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:21,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:21,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-28 02:52:21,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324079103] [2021-12-28 02:52:21,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:21,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-28 02:52:21,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:21,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-28 02:52:21,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2021-12-28 02:52:21,137 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 119 [2021-12-28 02:52:21,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 166 transitions, 1125 flow. Second operand has 19 states, 19 states have (on average 84.47368421052632) internal successors, (1605), 19 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:21,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:21,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 119 [2021-12-28 02:52:21,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:22,945 INFO L129 PetriNetUnfolder]: 883/4175 cut-off events. [2021-12-28 02:52:22,946 INFO L130 PetriNetUnfolder]: For 15168/15506 co-relation queries the response was YES. [2021-12-28 02:52:22,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15354 conditions, 4175 events. 883/4175 cut-off events. For 15168/15506 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 48395 event pairs, 65 based on Foata normal form. 34/4020 useless extension candidates. Maximal degree in co-relation 15249. Up to 1033 conditions per place. [2021-12-28 02:52:22,978 INFO L132 encePairwiseOnDemand]: 100/119 looper letters, 67 selfloop transitions, 52 changer transitions 68/275 dead transitions. [2021-12-28 02:52:22,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 275 transitions, 2619 flow [2021-12-28 02:52:22,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-28 02:52:22,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-12-28 02:52:22,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1965 transitions. [2021-12-28 02:52:22,985 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7505729564553094 [2021-12-28 02:52:22,985 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1965 transitions. [2021-12-28 02:52:22,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1965 transitions. [2021-12-28 02:52:22,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:22,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1965 transitions. [2021-12-28 02:52:22,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 89.31818181818181) internal successors, (1965), 22 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:22,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 119.0) internal successors, (2737), 23 states have internal predecessors, (2737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:22,996 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 119.0) internal successors, (2737), 23 states have internal predecessors, (2737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:22,996 INFO L186 Difference]: Start difference. First operand has 177 places, 166 transitions, 1125 flow. Second operand 22 states and 1965 transitions. [2021-12-28 02:52:22,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 275 transitions, 2619 flow [2021-12-28 02:52:23,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 275 transitions, 2507 flow, removed 26 selfloop flow, removed 7 redundant places. [2021-12-28 02:52:23,157 INFO L242 Difference]: Finished difference. Result has 199 places, 187 transitions, 1533 flow [2021-12-28 02:52:23,158 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1031, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1533, PETRI_PLACES=199, PETRI_TRANSITIONS=187} [2021-12-28 02:52:23,158 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 75 predicate places. [2021-12-28 02:52:23,158 INFO L470 AbstractCegarLoop]: Abstraction has has 199 places, 187 transitions, 1533 flow [2021-12-28 02:52:23,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 84.47368421052632) internal successors, (1605), 19 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:23,159 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:23,159 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:23,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-28 02:52:23,160 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:23,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:23,160 INFO L85 PathProgramCache]: Analyzing trace with hash 663213080, now seen corresponding path program 2 times [2021-12-28 02:52:23,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:23,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444504884] [2021-12-28 02:52:23,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:23,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:23,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:23,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:23,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444504884] [2021-12-28 02:52:23,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444504884] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:23,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:23,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-28 02:52:23,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499144273] [2021-12-28 02:52:23,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:23,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-28 02:52:23,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:23,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-28 02:52:23,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-12-28 02:52:23,693 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 119 [2021-12-28 02:52:23,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 187 transitions, 1533 flow. Second operand has 17 states, 17 states have (on average 85.58823529411765) internal successors, (1455), 17 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:23,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:23,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 119 [2021-12-28 02:52:23,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:25,451 INFO L129 PetriNetUnfolder]: 1116/5391 cut-off events. [2021-12-28 02:52:25,451 INFO L130 PetriNetUnfolder]: For 21947/22151 co-relation queries the response was YES. [2021-12-28 02:52:25,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19131 conditions, 5391 events. 1116/5391 cut-off events. For 21947/22151 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 66751 event pairs, 100 based on Foata normal form. 32/5168 useless extension candidates. Maximal degree in co-relation 19011. Up to 646 conditions per place. [2021-12-28 02:52:25,500 INFO L132 encePairwiseOnDemand]: 101/119 looper letters, 74 selfloop transitions, 52 changer transitions 55/270 dead transitions. [2021-12-28 02:52:25,500 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 270 transitions, 3055 flow [2021-12-28 02:52:25,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-28 02:52:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-28 02:52:25,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1540 transitions. [2021-12-28 02:52:25,504 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7612456747404844 [2021-12-28 02:52:25,504 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1540 transitions. [2021-12-28 02:52:25,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1540 transitions. [2021-12-28 02:52:25,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:25,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1540 transitions. [2021-12-28 02:52:25,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 90.58823529411765) internal successors, (1540), 17 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:25,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 119.0) internal successors, (2142), 18 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:25,513 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 119.0) internal successors, (2142), 18 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:25,513 INFO L186 Difference]: Start difference. First operand has 199 places, 187 transitions, 1533 flow. Second operand 17 states and 1540 transitions. [2021-12-28 02:52:25,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 270 transitions, 3055 flow [2021-12-28 02:52:25,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 270 transitions, 2934 flow, removed 56 selfloop flow, removed 11 redundant places. [2021-12-28 02:52:25,647 INFO L242 Difference]: Finished difference. Result has 206 places, 195 transitions, 1818 flow [2021-12-28 02:52:25,647 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1448, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1818, PETRI_PLACES=206, PETRI_TRANSITIONS=195} [2021-12-28 02:52:25,648 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 82 predicate places. [2021-12-28 02:52:25,648 INFO L470 AbstractCegarLoop]: Abstraction has has 206 places, 195 transitions, 1818 flow [2021-12-28 02:52:25,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 85.58823529411765) internal successors, (1455), 17 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:25,649 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:25,649 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:25,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-28 02:52:25,650 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:25,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:25,650 INFO L85 PathProgramCache]: Analyzing trace with hash -990162570, now seen corresponding path program 3 times [2021-12-28 02:52:25,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:25,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975985838] [2021-12-28 02:52:25,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:25,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:25,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:25,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:25,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975985838] [2021-12-28 02:52:25,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975985838] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:25,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:25,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-28 02:52:25,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983937753] [2021-12-28 02:52:25,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:25,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-28 02:52:25,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:25,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-28 02:52:25,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-28 02:52:25,814 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 119 [2021-12-28 02:52:25,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 195 transitions, 1818 flow. Second operand has 8 states, 8 states have (on average 92.5) internal successors, (740), 8 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:25,821 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:25,821 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 119 [2021-12-28 02:52:25,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:27,729 INFO L129 PetriNetUnfolder]: 3302/8014 cut-off events. [2021-12-28 02:52:27,730 INFO L130 PetriNetUnfolder]: For 89885/89994 co-relation queries the response was YES. [2021-12-28 02:52:27,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42231 conditions, 8014 events. 3302/8014 cut-off events. For 89885/89994 co-relation queries the response was YES. Maximal size of possible extension queue 547. Compared 79560 event pairs, 415 based on Foata normal form. 96/8075 useless extension candidates. Maximal degree in co-relation 42163. Up to 1609 conditions per place. [2021-12-28 02:52:27,892 INFO L132 encePairwiseOnDemand]: 109/119 looper letters, 158 selfloop transitions, 22 changer transitions 123/395 dead transitions. [2021-12-28 02:52:27,892 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 395 transitions, 5029 flow [2021-12-28 02:52:27,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-28 02:52:27,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-28 02:52:27,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1375 transitions. [2021-12-28 02:52:27,896 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8253301320528211 [2021-12-28 02:52:27,896 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1375 transitions. [2021-12-28 02:52:27,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1375 transitions. [2021-12-28 02:52:27,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:27,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1375 transitions. [2021-12-28 02:52:27,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 98.21428571428571) internal successors, (1375), 14 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:27,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:27,902 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:27,902 INFO L186 Difference]: Start difference. First operand has 206 places, 195 transitions, 1818 flow. Second operand 14 states and 1375 transitions. [2021-12-28 02:52:27,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 395 transitions, 5029 flow [2021-12-28 02:52:28,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 395 transitions, 4380 flow, removed 250 selfloop flow, removed 18 redundant places. [2021-12-28 02:52:28,307 INFO L242 Difference]: Finished difference. Result has 202 places, 193 transitions, 1573 flow [2021-12-28 02:52:28,307 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1485, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1573, PETRI_PLACES=202, PETRI_TRANSITIONS=193} [2021-12-28 02:52:28,307 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 78 predicate places. [2021-12-28 02:52:28,308 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 193 transitions, 1573 flow [2021-12-28 02:52:28,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 92.5) internal successors, (740), 8 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:28,308 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:28,308 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:28,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-28 02:52:28,308 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:28,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:28,309 INFO L85 PathProgramCache]: Analyzing trace with hash -878690363, now seen corresponding path program 1 times [2021-12-28 02:52:28,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:28,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469323642] [2021-12-28 02:52:28,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:28,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:28,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:28,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469323642] [2021-12-28 02:52:28,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469323642] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:28,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:28,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-28 02:52:28,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534313857] [2021-12-28 02:52:28,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:28,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-28 02:52:28,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:28,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-28 02:52:28,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-12-28 02:52:28,720 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 119 [2021-12-28 02:52:28,722 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 193 transitions, 1573 flow. Second operand has 15 states, 15 states have (on average 88.8) internal successors, (1332), 15 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:28,722 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:28,722 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 119 [2021-12-28 02:52:28,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:29,503 INFO L129 PetriNetUnfolder]: 625/3735 cut-off events. [2021-12-28 02:52:29,503 INFO L130 PetriNetUnfolder]: For 14320/14603 co-relation queries the response was YES. [2021-12-28 02:52:29,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13466 conditions, 3735 events. 625/3735 cut-off events. For 14320/14603 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 46145 event pairs, 52 based on Foata normal form. 4/3553 useless extension candidates. Maximal degree in co-relation 13351. Up to 472 conditions per place. [2021-12-28 02:52:29,543 INFO L132 encePairwiseOnDemand]: 107/119 looper letters, 90 selfloop transitions, 11 changer transitions 28/222 dead transitions. [2021-12-28 02:52:29,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 222 transitions, 2093 flow [2021-12-28 02:52:29,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 02:52:29,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-28 02:52:29,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1186 transitions. [2021-12-28 02:52:29,546 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7666451195862961 [2021-12-28 02:52:29,546 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1186 transitions. [2021-12-28 02:52:29,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1186 transitions. [2021-12-28 02:52:29,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:29,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1186 transitions. [2021-12-28 02:52:29,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 91.23076923076923) internal successors, (1186), 13 states have internal predecessors, (1186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:29,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:29,551 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:29,551 INFO L186 Difference]: Start difference. First operand has 202 places, 193 transitions, 1573 flow. Second operand 13 states and 1186 transitions. [2021-12-28 02:52:29,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 222 transitions, 2093 flow [2021-12-28 02:52:29,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 222 transitions, 1935 flow, removed 61 selfloop flow, removed 19 redundant places. [2021-12-28 02:52:29,713 INFO L242 Difference]: Finished difference. Result has 197 places, 191 transitions, 1443 flow [2021-12-28 02:52:29,714 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1433, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1443, PETRI_PLACES=197, PETRI_TRANSITIONS=191} [2021-12-28 02:52:29,714 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 73 predicate places. [2021-12-28 02:52:29,715 INFO L470 AbstractCegarLoop]: Abstraction has has 197 places, 191 transitions, 1443 flow [2021-12-28 02:52:29,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 88.8) internal successors, (1332), 15 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:29,715 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:29,715 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:29,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-28 02:52:29,716 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:29,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:29,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1592109175, now seen corresponding path program 2 times [2021-12-28 02:52:29,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:29,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735674866] [2021-12-28 02:52:29,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:29,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:30,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:30,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735674866] [2021-12-28 02:52:30,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735674866] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:30,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:30,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-12-28 02:52:30,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788573627] [2021-12-28 02:52:30,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:30,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-28 02:52:30,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:30,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-28 02:52:30,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-12-28 02:52:30,212 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 119 [2021-12-28 02:52:30,213 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 191 transitions, 1443 flow. Second operand has 18 states, 18 states have (on average 86.61111111111111) internal successors, (1559), 18 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:30,213 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:30,213 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 119 [2021-12-28 02:52:30,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:30,947 INFO L129 PetriNetUnfolder]: 630/3759 cut-off events. [2021-12-28 02:52:30,947 INFO L130 PetriNetUnfolder]: For 7831/7915 co-relation queries the response was YES. [2021-12-28 02:52:30,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11525 conditions, 3759 events. 630/3759 cut-off events. For 7831/7915 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 47016 event pairs, 62 based on Foata normal form. 3/3565 useless extension candidates. Maximal degree in co-relation 11477. Up to 389 conditions per place. [2021-12-28 02:52:30,981 INFO L132 encePairwiseOnDemand]: 104/119 looper letters, 83 selfloop transitions, 13 changer transitions 31/218 dead transitions. [2021-12-28 02:52:30,982 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 218 transitions, 1961 flow [2021-12-28 02:52:30,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-28 02:52:30,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-28 02:52:30,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1420 transitions. [2021-12-28 02:52:30,990 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7457983193277311 [2021-12-28 02:52:30,990 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1420 transitions. [2021-12-28 02:52:30,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1420 transitions. [2021-12-28 02:52:30,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:30,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1420 transitions. [2021-12-28 02:52:30,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 88.75) internal successors, (1420), 16 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:30,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 119.0) internal successors, (2023), 17 states have internal predecessors, (2023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:30,996 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 119.0) internal successors, (2023), 17 states have internal predecessors, (2023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:30,996 INFO L186 Difference]: Start difference. First operand has 197 places, 191 transitions, 1443 flow. Second operand 16 states and 1420 transitions. [2021-12-28 02:52:30,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 218 transitions, 1961 flow [2021-12-28 02:52:31,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 218 transitions, 1914 flow, removed 10 selfloop flow, removed 12 redundant places. [2021-12-28 02:52:31,104 INFO L242 Difference]: Finished difference. Result has 201 places, 182 transitions, 1355 flow [2021-12-28 02:52:31,104 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1402, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1355, PETRI_PLACES=201, PETRI_TRANSITIONS=182} [2021-12-28 02:52:31,105 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 77 predicate places. [2021-12-28 02:52:31,106 INFO L470 AbstractCegarLoop]: Abstraction has has 201 places, 182 transitions, 1355 flow [2021-12-28 02:52:31,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 86.61111111111111) internal successors, (1559), 18 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:31,106 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:31,106 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:31,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-28 02:52:31,107 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:31,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:31,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1644921687, now seen corresponding path program 3 times [2021-12-28 02:52:31,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:31,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866731869] [2021-12-28 02:52:31,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:31,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:31,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:31,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866731869] [2021-12-28 02:52:31,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866731869] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:31,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:31,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:52:31,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189257442] [2021-12-28 02:52:31,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:31,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:52:31,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:31,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:52:31,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:52:31,326 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 119 [2021-12-28 02:52:31,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 182 transitions, 1355 flow. Second operand has 7 states, 7 states have (on average 94.28571428571429) internal successors, (660), 7 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:31,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:31,327 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 119 [2021-12-28 02:52:31,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:31,884 INFO L129 PetriNetUnfolder]: 576/3194 cut-off events. [2021-12-28 02:52:31,884 INFO L130 PetriNetUnfolder]: For 8275/8354 co-relation queries the response was YES. [2021-12-28 02:52:31,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9925 conditions, 3194 events. 576/3194 cut-off events. For 8275/8354 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 37642 event pairs, 39 based on Foata normal form. 8/3026 useless extension candidates. Maximal degree in co-relation 9877. Up to 355 conditions per place. [2021-12-28 02:52:31,918 INFO L132 encePairwiseOnDemand]: 113/119 looper letters, 42 selfloop transitions, 1 changer transitions 75/218 dead transitions. [2021-12-28 02:52:31,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 218 transitions, 1935 flow [2021-12-28 02:52:31,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 02:52:31,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-28 02:52:31,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 683 transitions. [2021-12-28 02:52:31,920 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8199279711884754 [2021-12-28 02:52:31,920 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 683 transitions. [2021-12-28 02:52:31,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 683 transitions. [2021-12-28 02:52:31,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:31,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 683 transitions. [2021-12-28 02:52:31,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 97.57142857142857) internal successors, (683), 7 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:31,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 119.0) internal successors, (952), 8 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:31,923 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 119.0) internal successors, (952), 8 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:31,924 INFO L186 Difference]: Start difference. First operand has 201 places, 182 transitions, 1355 flow. Second operand 7 states and 683 transitions. [2021-12-28 02:52:31,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 218 transitions, 1935 flow [2021-12-28 02:52:32,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 218 transitions, 1789 flow, removed 24 selfloop flow, removed 20 redundant places. [2021-12-28 02:52:32,005 INFO L242 Difference]: Finished difference. Result has 187 places, 135 transitions, 697 flow [2021-12-28 02:52:32,006 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=1251, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=697, PETRI_PLACES=187, PETRI_TRANSITIONS=135} [2021-12-28 02:52:32,006 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 63 predicate places. [2021-12-28 02:52:32,006 INFO L470 AbstractCegarLoop]: Abstraction has has 187 places, 135 transitions, 697 flow [2021-12-28 02:52:32,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 94.28571428571429) internal successors, (660), 7 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:32,007 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:32,007 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:32,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-28 02:52:32,008 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:32,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:32,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1649290743, now seen corresponding path program 4 times [2021-12-28 02:52:32,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:32,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728918781] [2021-12-28 02:52:32,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:32,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:32,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:32,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:32,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728918781] [2021-12-28 02:52:32,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728918781] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:32,369 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:32,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-28 02:52:32,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867539375] [2021-12-28 02:52:32,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:32,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-28 02:52:32,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:32,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-28 02:52:32,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-12-28 02:52:32,372 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 119 [2021-12-28 02:52:32,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 135 transitions, 697 flow. Second operand has 12 states, 12 states have (on average 89.25) internal successors, (1071), 12 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:32,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:32,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 119 [2021-12-28 02:52:32,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:32,803 INFO L129 PetriNetUnfolder]: 234/1665 cut-off events. [2021-12-28 02:52:32,803 INFO L130 PetriNetUnfolder]: For 2897/2925 co-relation queries the response was YES. [2021-12-28 02:52:32,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4625 conditions, 1665 events. 234/1665 cut-off events. For 2897/2925 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 17701 event pairs, 25 based on Foata normal form. 2/1571 useless extension candidates. Maximal degree in co-relation 4580. Up to 165 conditions per place. [2021-12-28 02:52:32,821 INFO L132 encePairwiseOnDemand]: 105/119 looper letters, 38 selfloop transitions, 12 changer transitions 15/158 dead transitions. [2021-12-28 02:52:32,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 158 transitions, 1061 flow [2021-12-28 02:52:32,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-28 02:52:32,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-28 02:52:32,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1012 transitions. [2021-12-28 02:52:32,824 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.773109243697479 [2021-12-28 02:52:32,824 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1012 transitions. [2021-12-28 02:52:32,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1012 transitions. [2021-12-28 02:52:32,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:32,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1012 transitions. [2021-12-28 02:52:32,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 92.0) internal successors, (1012), 11 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:32,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:32,828 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:32,828 INFO L186 Difference]: Start difference. First operand has 187 places, 135 transitions, 697 flow. Second operand 11 states and 1012 transitions. [2021-12-28 02:52:32,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 158 transitions, 1061 flow [2021-12-28 02:52:32,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 158 transitions, 959 flow, removed 25 selfloop flow, removed 20 redundant places. [2021-12-28 02:52:32,858 INFO L242 Difference]: Finished difference. Result has 178 places, 139 transitions, 729 flow [2021-12-28 02:52:32,858 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=729, PETRI_PLACES=178, PETRI_TRANSITIONS=139} [2021-12-28 02:52:32,858 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 54 predicate places. [2021-12-28 02:52:32,858 INFO L470 AbstractCegarLoop]: Abstraction has has 178 places, 139 transitions, 729 flow [2021-12-28 02:52:32,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 89.25) internal successors, (1071), 12 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:32,859 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:32,859 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:32,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-28 02:52:32,860 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-12-28 02:52:32,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:32,860 INFO L85 PathProgramCache]: Analyzing trace with hash 550107529, now seen corresponding path program 5 times [2021-12-28 02:52:32,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:32,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512182630] [2021-12-28 02:52:32,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:32,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:33,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:33,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:33,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512182630] [2021-12-28 02:52:33,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512182630] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:33,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:33,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-28 02:52:33,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273704102] [2021-12-28 02:52:33,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:33,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-28 02:52:33,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:33,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-28 02:52:33,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2021-12-28 02:52:33,642 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 119 [2021-12-28 02:52:33,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 139 transitions, 729 flow. Second operand has 19 states, 19 states have (on average 83.6842105263158) internal successors, (1590), 19 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:33,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:33,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 119 [2021-12-28 02:52:33,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:34,452 INFO L129 PetriNetUnfolder]: 245/1678 cut-off events. [2021-12-28 02:52:34,452 INFO L130 PetriNetUnfolder]: For 2850/2906 co-relation queries the response was YES. [2021-12-28 02:52:34,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4786 conditions, 1678 events. 245/1678 cut-off events. For 2850/2906 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 17961 event pairs, 11 based on Foata normal form. 5/1591 useless extension candidates. Maximal degree in co-relation 4755. Up to 192 conditions per place. [2021-12-28 02:52:34,462 INFO L132 encePairwiseOnDemand]: 102/119 looper letters, 0 selfloop transitions, 0 changer transitions 157/157 dead transitions. [2021-12-28 02:52:34,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 157 transitions, 1060 flow [2021-12-28 02:52:34,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-28 02:52:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-28 02:52:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1615 transitions. [2021-12-28 02:52:34,465 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-12-28 02:52:34,465 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1615 transitions. [2021-12-28 02:52:34,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1615 transitions. [2021-12-28 02:52:34,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:34,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1615 transitions. [2021-12-28 02:52:34,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 85.0) internal successors, (1615), 19 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:34,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 119.0) internal successors, (2380), 20 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:34,471 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 119.0) internal successors, (2380), 20 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:34,471 INFO L186 Difference]: Start difference. First operand has 178 places, 139 transitions, 729 flow. Second operand 19 states and 1615 transitions. [2021-12-28 02:52:34,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 157 transitions, 1060 flow [2021-12-28 02:52:34,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 157 transitions, 975 flow, removed 33 selfloop flow, removed 9 redundant places. [2021-12-28 02:52:34,497 INFO L242 Difference]: Finished difference. Result has 180 places, 0 transitions, 0 flow [2021-12-28 02:52:34,498 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=675, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=0, PETRI_PLACES=180, PETRI_TRANSITIONS=0} [2021-12-28 02:52:34,498 INFO L334 CegarLoopForPetriNet]: 124 programPoint places, 56 predicate places. [2021-12-28 02:52:34,498 INFO L470 AbstractCegarLoop]: Abstraction has has 180 places, 0 transitions, 0 flow [2021-12-28 02:52:34,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 83.6842105263158) internal successors, (1590), 19 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:34,501 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-12-28 02:52:34,502 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-12-28 02:52:34,502 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2021-12-28 02:52:34,502 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2021-12-28 02:52:34,502 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2021-12-28 02:52:34,502 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-12-28 02:52:34,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-28 02:52:34,507 INFO L732 BasicCegarLoop]: Path program histogram: [5, 3, 2, 2, 2, 1, 1, 1] [2021-12-28 02:52:34,511 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-28 02:52:34,511 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-28 02:52:34,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 02:52:34 BasicIcfg [2021-12-28 02:52:34,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-28 02:52:34,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 02:52:34,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 02:52:34,516 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 02:52:34,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:52:05" (3/4) ... [2021-12-28 02:52:34,519 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-28 02:52:34,523 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-12-28 02:52:34,523 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-12-28 02:52:34,523 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2021-12-28 02:52:34,540 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2021-12-28 02:52:34,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2021-12-28 02:52:34,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-12-28 02:52:34,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-28 02:52:34,603 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-28 02:52:34,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 02:52:34,604 INFO L158 Benchmark]: Toolchain (without parser) took 31475.51ms. Allocated memory was 56.6MB in the beginning and 2.2GB in the end (delta: 2.2GB). Free memory was 33.7MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 414.3MB. Max. memory is 16.1GB. [2021-12-28 02:52:34,604 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 02:52:34,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 651.01ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.4MB in the beginning and 36.7MB in the end (delta: -3.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-28 02:52:34,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.12ms. Allocated memory is still 71.3MB. Free memory was 36.5MB in the beginning and 50.1MB in the end (delta: -13.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-12-28 02:52:34,605 INFO L158 Benchmark]: Boogie Preprocessor took 77.66ms. Allocated memory is still 71.3MB. Free memory was 50.1MB in the beginning and 46.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-28 02:52:34,606 INFO L158 Benchmark]: RCFGBuilder took 1897.77ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 46.7MB in the beginning and 54.6MB in the end (delta: -7.9MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2021-12-28 02:52:34,606 INFO L158 Benchmark]: TraceAbstraction took 28650.62ms. Allocated memory was 104.9MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 53.8MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 372.8MB. Max. memory is 16.1GB. [2021-12-28 02:52:34,606 INFO L158 Benchmark]: Witness Printer took 88.26ms. Allocated memory is still 2.2GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-28 02:52:34,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 651.01ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.4MB in the beginning and 36.7MB in the end (delta: -3.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.12ms. Allocated memory is still 71.3MB. Free memory was 36.5MB in the beginning and 50.1MB in the end (delta: -13.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.66ms. Allocated memory is still 71.3MB. Free memory was 50.1MB in the beginning and 46.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1897.77ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 46.7MB in the beginning and 54.6MB in the end (delta: -7.9MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * TraceAbstraction took 28650.62ms. Allocated memory was 104.9MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 53.8MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 372.8MB. Max. memory is 16.1GB. * Witness Printer took 88.26ms. Allocated memory is still 2.2GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. 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 7 procedures, 149 locations, 6 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: 28.4s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 21.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1024 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1024 mSDsluCounter, 1294 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2023 mSDsCounter, 661 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5018 IncrementalHoareTripleChecker+Invalid, 5679 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 661 mSolverCounterUnsat, 210 mSDtfsCounter, 5018 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 306 GetRequests, 35 SyntacticMatches, 3 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 976 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1818occurred in iteration=11, InterpolantAutomatonStates: 214, 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: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 1427 NumberOfCodeBlocks, 1427 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1410 ConstructedInterpolants, 0 QuantifiedInterpolants, 10218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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! [2021-12-28 02:52:34,647 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