./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/rfi000_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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/rfi000_tso.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5128c539cd3051e20c09e1924eb0951d5be697be251e10d3c281464ed4c436cd --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 02:50:09,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 02:50:09,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 02:50:09,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 02:50:09,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 02:50:09,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 02:50:09,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 02:50:09,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 02:50:09,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 02:50:09,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 02:50:09,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 02:50:09,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 02:50:09,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 02:50:09,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 02:50:09,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 02:50:09,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 02:50:09,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 02:50:09,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 02:50:09,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 02:50:09,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 02:50:09,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 02:50:09,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 02:50:09,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 02:50:09,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 02:50:09,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 02:50:09,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 02:50:09,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 02:50:09,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 02:50:09,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 02:50:09,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 02:50:09,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 02:50:09,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 02:50:09,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 02:50:09,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 02:50:09,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 02:50:09,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 02:50:09,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 02:50:09,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 02:50:09,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 02:50:09,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 02:50:09,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 02:50:09,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 02:50:09,942 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 02:50:09,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 02:50:09,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 02:50:09,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 02:50:09,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 02:50:09,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 02:50:09,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 02:50:09,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 02:50:09,948 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 02:50:09,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 02:50:09,949 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 02:50:09,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 02:50:09,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 02:50:09,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 02:50:09,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 02:50:09,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 02:50:09,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 02:50:09,950 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 02:50:09,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 02:50:09,950 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 02:50:09,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 02:50:09,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 02:50:09,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 02:50:09,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 02:50:09,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 02:50:09,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 02:50:09,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 02:50:09,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 02:50:09,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 02:50:09,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 02:50:09,952 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 02:50:09,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 02:50:09,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 02:50:09,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 02:50:09,953 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5128c539cd3051e20c09e1924eb0951d5be697be251e10d3c281464ed4c436cd [2021-12-16 02:50:10,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 02:50:10,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 02:50:10,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 02:50:10,203 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 02:50:10,205 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 02:50:10,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi000_tso.i [2021-12-16 02:50:10,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/184b2f8ef/1fdd3ca1cb87440f919af64879af8799/FLAGb3071aa36 [2021-12-16 02:50:10,641 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 02:50:10,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi000_tso.i [2021-12-16 02:50:10,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/184b2f8ef/1fdd3ca1cb87440f919af64879af8799/FLAGb3071aa36 [2021-12-16 02:50:10,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/184b2f8ef/1fdd3ca1cb87440f919af64879af8799 [2021-12-16 02:50:10,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 02:50:10,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 02:50:10,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 02:50:10,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 02:50:10,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 02:50:11,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:50:10" (1/1) ... [2021-12-16 02:50:11,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9a45d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:50:11, skipping insertion in model container [2021-12-16 02:50:11,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:50:10" (1/1) ... [2021-12-16 02:50:11,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 02:50:11,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 02:50:11,215 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/rfi000_tso.i[944,957] [2021-12-16 02:50:11,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 02:50:11,396 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 02:50:11,404 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/rfi000_tso.i[944,957] [2021-12-16 02:50:11,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 02:50:11,480 INFO L208 MainTranslator]: Completed translation [2021-12-16 02:50:11,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:50:11 WrapperNode [2021-12-16 02:50:11,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 02:50:11,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 02:50:11,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 02:50:11,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 02:50:11,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:50:11" (1/1) ... [2021-12-16 02:50:11,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:50:11" (1/1) ... [2021-12-16 02:50:11,561 INFO L137 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 464 [2021-12-16 02:50:11,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 02:50:11,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 02:50:11,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 02:50:11,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 02:50:11,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:50:11" (1/1) ... [2021-12-16 02:50:11,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:50:11" (1/1) ... [2021-12-16 02:50:11,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:50:11" (1/1) ... [2021-12-16 02:50:11,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:50:11" (1/1) ... [2021-12-16 02:50:11,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:50:11" (1/1) ... [2021-12-16 02:50:11,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:50:11" (1/1) ... [2021-12-16 02:50:11,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:50:11" (1/1) ... [2021-12-16 02:50:11,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 02:50:11,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 02:50:11,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 02:50:11,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 02:50:11,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:50:11" (1/1) ... [2021-12-16 02:50:11,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 02:50:11,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:50:11,671 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) [2021-12-16 02:50:11,693 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 [2021-12-16 02:50:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 02:50:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-16 02:50:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 02:50:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 02:50:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 02:50:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-16 02:50:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-16 02:50:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-16 02:50:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-16 02:50:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 02:50:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-16 02:50:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 02:50:11,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 02:50:11,717 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-16 02:50:11,839 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 02:50:11,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 02:50:12,331 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 02:50:12,665 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 02:50:12,665 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 02:50:12,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:50:12 BoogieIcfgContainer [2021-12-16 02:50:12,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 02:50:12,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 02:50:12,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 02:50:12,671 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 02:50:12,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 02:50:10" (1/3) ... [2021-12-16 02:50:12,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd0a4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:50:12, skipping insertion in model container [2021-12-16 02:50:12,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:50:11" (2/3) ... [2021-12-16 02:50:12,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd0a4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:50:12, skipping insertion in model container [2021-12-16 02:50:12,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:50:12" (3/3) ... [2021-12-16 02:50:12,675 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi000_tso.i [2021-12-16 02:50:12,679 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-16 02:50:12,679 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 02:50:12,679 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-16 02:50:12,679 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-16 02:50:12,731 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,731 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,732 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,732 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,732 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,732 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,732 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,732 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,733 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,733 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,733 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,733 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,734 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,734 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,734 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,734 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,734 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,734 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,734 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,734 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,735 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,735 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,735 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,736 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,736 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,736 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,736 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,738 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,738 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,738 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,738 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,738 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,738 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,738 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,738 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,738 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,738 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,739 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,739 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,739 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,739 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,739 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,739 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,739 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,739 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,739 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,739 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,740 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,740 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,740 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,740 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,740 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,740 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,740 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,740 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,741 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,741 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,741 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,741 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,741 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,741 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,741 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,741 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,741 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,742 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,742 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,742 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,742 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,742 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,742 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,743 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,744 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,746 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,746 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,746 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,746 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,746 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,746 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,746 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,746 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,746 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,746 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,746 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,746 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,746 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,747 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,748 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,748 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,748 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,748 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,748 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,748 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,748 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,748 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,749 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,749 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,749 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,750 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,751 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,752 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,752 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,752 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,752 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,752 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,752 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,754 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,755 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,755 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,755 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,755 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,755 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,755 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,755 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,755 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,756 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,757 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,757 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,757 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,757 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,757 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,757 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,757 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,757 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,757 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,757 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,757 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,757 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,757 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,757 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,757 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,758 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,759 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,759 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,759 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,759 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,759 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,759 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,759 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,759 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,759 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,759 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,759 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,760 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,760 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,760 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,761 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,763 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,763 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,764 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,770 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,770 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,770 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,770 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,770 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,771 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,771 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,773 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,773 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,773 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,773 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,773 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,773 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,774 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,774 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,774 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,774 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,774 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,774 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,774 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,774 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,774 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,774 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,774 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,774 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,775 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,775 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,775 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,775 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,775 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,775 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,775 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,775 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,775 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,775 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,775 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,776 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,776 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,776 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,776 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,776 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,776 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,776 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,776 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,776 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,776 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,776 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,776 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,776 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,777 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,777 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,777 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,777 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,777 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,777 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,777 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,777 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,777 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,778 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,778 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,778 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,778 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,778 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,778 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,779 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,779 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,779 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,779 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:50:12,779 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-16 02:50:12,823 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 02:50:12,827 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 [2021-12-16 02:50:12,827 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-12-16 02:50:12,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 97 transitions, 204 flow [2021-12-16 02:50:12,876 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-12-16 02:50:12,876 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:50:12,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2021-12-16 02:50:12,879 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 97 transitions, 204 flow [2021-12-16 02:50:12,883 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 95 transitions, 196 flow [2021-12-16 02:50:12,898 INFO L129 PetriNetUnfolder]: 0/59 cut-off events. [2021-12-16 02:50:12,898 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:50:12,898 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:50:12,899 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] [2021-12-16 02:50:12,899 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-16 02:50:12,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:50:12,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1219813241, now seen corresponding path program 1 times [2021-12-16 02:50:12,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:50:12,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624560018] [2021-12-16 02:50:12,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:50:12,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:50:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:50:13,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:50:13,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:50:13,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624560018] [2021-12-16 02:50:13,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624560018] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:50:13,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:50:13,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 02:50:13,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911372372] [2021-12-16 02:50:13,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:50:13,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:50:13,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:50:13,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:50:13,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 02:50:13,192 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 97 [2021-12-16 02:50:13,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 95 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:13,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:50:13,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 97 [2021-12-16 02:50:13,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:50:13,311 INFO L129 PetriNetUnfolder]: 31/182 cut-off events. [2021-12-16 02:50:13,311 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-16 02:50:13,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 182 events. 31/182 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 541 event pairs, 3 based on Foata normal form. 10/181 useless extension candidates. Maximal degree in co-relation 208. Up to 53 conditions per place. [2021-12-16 02:50:13,315 INFO L132 encePairwiseOnDemand]: 92/97 looper letters, 11 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2021-12-16 02:50:13,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 94 transitions, 220 flow [2021-12-16 02:50:13,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:50:13,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:50:13,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 267 transitions. [2021-12-16 02:50:13,328 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9175257731958762 [2021-12-16 02:50:13,328 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 267 transitions. [2021-12-16 02:50:13,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 267 transitions. [2021-12-16 02:50:13,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:50:13,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 267 transitions. [2021-12-16 02:50:13,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:13,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:13,343 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:13,344 INFO L186 Difference]: Start difference. First operand has 100 places, 95 transitions, 196 flow. Second operand 3 states and 267 transitions. [2021-12-16 02:50:13,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 94 transitions, 220 flow [2021-12-16 02:50:13,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 94 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-16 02:50:13,353 INFO L242 Difference]: Finished difference. Result has 98 places, 91 transitions, 190 flow [2021-12-16 02:50:13,354 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=98, PETRI_TRANSITIONS=91} [2021-12-16 02:50:13,358 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, -2 predicate places. [2021-12-16 02:50:13,358 INFO L470 AbstractCegarLoop]: Abstraction has has 98 places, 91 transitions, 190 flow [2021-12-16 02:50:13,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:13,359 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:50:13,359 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] [2021-12-16 02:50:13,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 02:50:13,359 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-16 02:50:13,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:50:13,360 INFO L85 PathProgramCache]: Analyzing trace with hash -832897983, now seen corresponding path program 1 times [2021-12-16 02:50:13,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:50:13,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975748566] [2021-12-16 02:50:13,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:50:13,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:50:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:50:13,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:50:13,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:50:13,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975748566] [2021-12-16 02:50:13,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975748566] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:50:13,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:50:13,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 02:50:13,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562180609] [2021-12-16 02:50:13,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:50:13,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 02:50:13,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:50:13,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 02:50:13,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 02:50:13,518 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 97 [2021-12-16 02:50:13,518 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 91 transitions, 190 flow. Second operand has 6 states, 6 states have (on average 76.66666666666667) internal successors, (460), 6 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:13,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:50:13,518 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 97 [2021-12-16 02:50:13,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:50:13,825 INFO L129 PetriNetUnfolder]: 307/991 cut-off events. [2021-12-16 02:50:13,826 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-12-16 02:50:13,829 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1582 conditions, 991 events. 307/991 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 6402 event pairs, 138 based on Foata normal form. 0/957 useless extension candidates. Maximal degree in co-relation 1533. Up to 329 conditions per place. [2021-12-16 02:50:13,831 INFO L132 encePairwiseOnDemand]: 90/97 looper letters, 18 selfloop transitions, 3 changer transitions 46/131 dead transitions. [2021-12-16 02:50:13,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 131 transitions, 394 flow [2021-12-16 02:50:13,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 02:50:13,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 02:50:13,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 735 transitions. [2021-12-16 02:50:13,835 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8419243986254296 [2021-12-16 02:50:13,835 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 735 transitions. [2021-12-16 02:50:13,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 735 transitions. [2021-12-16 02:50:13,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:50:13,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 735 transitions. [2021-12-16 02:50:13,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 81.66666666666667) internal successors, (735), 9 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:13,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:13,841 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:13,841 INFO L186 Difference]: Start difference. First operand has 98 places, 91 transitions, 190 flow. Second operand 9 states and 735 transitions. [2021-12-16 02:50:13,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 131 transitions, 394 flow [2021-12-16 02:50:13,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 131 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-16 02:50:13,845 INFO L242 Difference]: Finished difference. Result has 111 places, 83 transitions, 209 flow [2021-12-16 02:50:13,845 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=209, PETRI_PLACES=111, PETRI_TRANSITIONS=83} [2021-12-16 02:50:13,846 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 11 predicate places. [2021-12-16 02:50:13,846 INFO L470 AbstractCegarLoop]: Abstraction has has 111 places, 83 transitions, 209 flow [2021-12-16 02:50:13,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 76.66666666666667) internal successors, (460), 6 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:13,846 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:50:13,847 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] [2021-12-16 02:50:13,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 02:50:13,847 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-16 02:50:13,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:50:13,848 INFO L85 PathProgramCache]: Analyzing trace with hash -950222048, now seen corresponding path program 1 times [2021-12-16 02:50:13,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:50:13,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488619386] [2021-12-16 02:50:13,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:50:13,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:50:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:50:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:50:13,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:50:13,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488619386] [2021-12-16 02:50:13,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488619386] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:50:13,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:50:13,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 02:50:13,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25103273] [2021-12-16 02:50:13,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:50:13,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 02:50:13,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:50:13,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 02:50:13,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 02:50:13,969 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 97 [2021-12-16 02:50:13,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 83 transitions, 209 flow. Second operand has 6 states, 6 states have (on average 78.66666666666667) internal successors, (472), 6 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:13,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:50:13,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 97 [2021-12-16 02:50:13,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:50:14,183 INFO L129 PetriNetUnfolder]: 157/422 cut-off events. [2021-12-16 02:50:14,183 INFO L130 PetriNetUnfolder]: For 347/349 co-relation queries the response was YES. [2021-12-16 02:50:14,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 979 conditions, 422 events. 157/422 cut-off events. For 347/349 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1825 event pairs, 43 based on Foata normal form. 17/419 useless extension candidates. Maximal degree in co-relation 923. Up to 124 conditions per place. [2021-12-16 02:50:14,186 INFO L132 encePairwiseOnDemand]: 91/97 looper letters, 15 selfloop transitions, 2 changer transitions 25/110 dead transitions. [2021-12-16 02:50:14,186 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 110 transitions, 365 flow [2021-12-16 02:50:14,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 02:50:14,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 02:50:14,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 737 transitions. [2021-12-16 02:50:14,188 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8442153493699885 [2021-12-16 02:50:14,188 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 737 transitions. [2021-12-16 02:50:14,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 737 transitions. [2021-12-16 02:50:14,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:50:14,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 737 transitions. [2021-12-16 02:50:14,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 81.88888888888889) internal successors, (737), 9 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) [2021-12-16 02:50:14,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:14,191 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:14,191 INFO L186 Difference]: Start difference. First operand has 111 places, 83 transitions, 209 flow. Second operand 9 states and 737 transitions. [2021-12-16 02:50:14,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 110 transitions, 365 flow [2021-12-16 02:50:14,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 110 transitions, 346 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-12-16 02:50:14,195 INFO L242 Difference]: Finished difference. Result has 106 places, 83 transitions, 218 flow [2021-12-16 02:50:14,195 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=218, PETRI_PLACES=106, PETRI_TRANSITIONS=83} [2021-12-16 02:50:14,196 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 6 predicate places. [2021-12-16 02:50:14,196 INFO L470 AbstractCegarLoop]: Abstraction has has 106 places, 83 transitions, 218 flow [2021-12-16 02:50:14,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.66666666666667) internal successors, (472), 6 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:14,196 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:50:14,197 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] [2021-12-16 02:50:14,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 02:50:14,197 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-16 02:50:14,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:50:14,197 INFO L85 PathProgramCache]: Analyzing trace with hash -251448737, now seen corresponding path program 1 times [2021-12-16 02:50:14,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:50:14,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697767295] [2021-12-16 02:50:14,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:50:14,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:50:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:50:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:50:14,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:50:14,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697767295] [2021-12-16 02:50:14,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697767295] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:50:14,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:50:14,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 02:50:14,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442283221] [2021-12-16 02:50:14,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:50:14,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 02:50:14,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:50:14,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 02:50:14,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-16 02:50:14,359 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 97 [2021-12-16 02:50:14,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 83 transitions, 218 flow. Second operand has 9 states, 9 states have (on average 74.77777777777777) internal successors, (673), 9 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:14,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:50:14,360 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 97 [2021-12-16 02:50:14,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:50:14,618 INFO L129 PetriNetUnfolder]: 95/310 cut-off events. [2021-12-16 02:50:14,618 INFO L130 PetriNetUnfolder]: For 299/299 co-relation queries the response was YES. [2021-12-16 02:50:14,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 732 conditions, 310 events. 95/310 cut-off events. For 299/299 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1194 event pairs, 20 based on Foata normal form. 9/305 useless extension candidates. Maximal degree in co-relation 667. Up to 78 conditions per place. [2021-12-16 02:50:14,620 INFO L132 encePairwiseOnDemand]: 86/97 looper letters, 19 selfloop transitions, 7 changer transitions 19/109 dead transitions. [2021-12-16 02:50:14,621 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 109 transitions, 391 flow [2021-12-16 02:50:14,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-16 02:50:14,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-16 02:50:14,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 850 transitions. [2021-12-16 02:50:14,623 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7966260543580131 [2021-12-16 02:50:14,623 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 850 transitions. [2021-12-16 02:50:14,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 850 transitions. [2021-12-16 02:50:14,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:50:14,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 850 transitions. [2021-12-16 02:50:14,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 77.27272727272727) internal successors, (850), 11 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:14,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:14,627 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:14,627 INFO L186 Difference]: Start difference. First operand has 106 places, 83 transitions, 218 flow. Second operand 11 states and 850 transitions. [2021-12-16 02:50:14,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 109 transitions, 391 flow [2021-12-16 02:50:14,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 109 transitions, 353 flow, removed 16 selfloop flow, removed 8 redundant places. [2021-12-16 02:50:14,630 INFO L242 Difference]: Finished difference. Result has 110 places, 86 transitions, 249 flow [2021-12-16 02:50:14,630 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=249, PETRI_PLACES=110, PETRI_TRANSITIONS=86} [2021-12-16 02:50:14,631 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 10 predicate places. [2021-12-16 02:50:14,631 INFO L470 AbstractCegarLoop]: Abstraction has has 110 places, 86 transitions, 249 flow [2021-12-16 02:50:14,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 74.77777777777777) internal successors, (673), 9 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:14,632 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:50:14,632 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:50:14,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 02:50:14,632 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-16 02:50:14,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:50:14,632 INFO L85 PathProgramCache]: Analyzing trace with hash 485620904, now seen corresponding path program 1 times [2021-12-16 02:50:14,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:50:14,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001669706] [2021-12-16 02:50:14,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:50:14,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:50:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:50:14,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:50:14,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:50:14,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001669706] [2021-12-16 02:50:14,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001669706] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:50:14,937 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:50:14,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-16 02:50:14,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890051860] [2021-12-16 02:50:14,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:50:14,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-16 02:50:14,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:50:14,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-16 02:50:14,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-16 02:50:14,939 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 97 [2021-12-16 02:50:14,940 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 86 transitions, 249 flow. Second operand has 13 states, 13 states have (on average 67.61538461538461) internal successors, (879), 13 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:14,940 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:50:14,940 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 97 [2021-12-16 02:50:14,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:50:15,475 INFO L129 PetriNetUnfolder]: 276/753 cut-off events. [2021-12-16 02:50:15,476 INFO L130 PetriNetUnfolder]: For 728/870 co-relation queries the response was YES. [2021-12-16 02:50:15,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1811 conditions, 753 events. 276/753 cut-off events. For 728/870 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4274 event pairs, 67 based on Foata normal form. 20/750 useless extension candidates. Maximal degree in co-relation 1739. Up to 180 conditions per place. [2021-12-16 02:50:15,480 INFO L132 encePairwiseOnDemand]: 82/97 looper letters, 50 selfloop transitions, 15 changer transitions 46/168 dead transitions. [2021-12-16 02:50:15,480 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 168 transitions, 763 flow [2021-12-16 02:50:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-16 02:50:15,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-16 02:50:15,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1296 transitions. [2021-12-16 02:50:15,483 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7422680412371134 [2021-12-16 02:50:15,483 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1296 transitions. [2021-12-16 02:50:15,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1296 transitions. [2021-12-16 02:50:15,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:50:15,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1296 transitions. [2021-12-16 02:50:15,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 72.0) internal successors, (1296), 18 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:15,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 97.0) internal successors, (1843), 19 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:15,488 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 97.0) internal successors, (1843), 19 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:15,488 INFO L186 Difference]: Start difference. First operand has 110 places, 86 transitions, 249 flow. Second operand 18 states and 1296 transitions. [2021-12-16 02:50:15,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 168 transitions, 763 flow [2021-12-16 02:50:15,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 168 transitions, 695 flow, removed 24 selfloop flow, removed 9 redundant places. [2021-12-16 02:50:15,492 INFO L242 Difference]: Finished difference. Result has 126 places, 98 transitions, 370 flow [2021-12-16 02:50:15,492 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=370, PETRI_PLACES=126, PETRI_TRANSITIONS=98} [2021-12-16 02:50:15,493 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 26 predicate places. [2021-12-16 02:50:15,493 INFO L470 AbstractCegarLoop]: Abstraction has has 126 places, 98 transitions, 370 flow [2021-12-16 02:50:15,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 67.61538461538461) internal successors, (879), 13 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:15,493 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:50:15,494 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:50:15,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 02:50:15,494 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-16 02:50:15,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:50:15,494 INFO L85 PathProgramCache]: Analyzing trace with hash 2065995578, now seen corresponding path program 1 times [2021-12-16 02:50:15,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:50:15,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239993017] [2021-12-16 02:50:15,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:50:15,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:50:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:50:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:50:15,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:50:15,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239993017] [2021-12-16 02:50:15,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239993017] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:50:15,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:50:15,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-16 02:50:15,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975493077] [2021-12-16 02:50:15,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:50:15,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-16 02:50:15,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:50:15,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-16 02:50:15,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-12-16 02:50:15,850 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 97 [2021-12-16 02:50:15,851 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 98 transitions, 370 flow. Second operand has 14 states, 14 states have (on average 69.57142857142857) internal successors, (974), 14 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:15,851 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:50:15,851 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 97 [2021-12-16 02:50:15,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:50:16,210 INFO L129 PetriNetUnfolder]: 130/405 cut-off events. [2021-12-16 02:50:16,210 INFO L130 PetriNetUnfolder]: For 1091/1330 co-relation queries the response was YES. [2021-12-16 02:50:16,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1383 conditions, 405 events. 130/405 cut-off events. For 1091/1330 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1745 event pairs, 61 based on Foata normal form. 33/420 useless extension candidates. Maximal degree in co-relation 1299. Up to 175 conditions per place. [2021-12-16 02:50:16,214 INFO L132 encePairwiseOnDemand]: 82/97 looper letters, 34 selfloop transitions, 23 changer transitions 16/134 dead transitions. [2021-12-16 02:50:16,214 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 134 transitions, 719 flow [2021-12-16 02:50:16,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-16 02:50:16,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-16 02:50:16,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1212 transitions. [2021-12-16 02:50:16,217 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7349909035779261 [2021-12-16 02:50:16,218 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1212 transitions. [2021-12-16 02:50:16,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1212 transitions. [2021-12-16 02:50:16,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:50:16,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1212 transitions. [2021-12-16 02:50:16,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 71.29411764705883) internal successors, (1212), 17 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:16,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 97.0) internal successors, (1746), 18 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:16,223 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 97.0) internal successors, (1746), 18 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:16,223 INFO L186 Difference]: Start difference. First operand has 126 places, 98 transitions, 370 flow. Second operand 17 states and 1212 transitions. [2021-12-16 02:50:16,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 134 transitions, 719 flow [2021-12-16 02:50:16,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 134 transitions, 701 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-12-16 02:50:16,229 INFO L242 Difference]: Finished difference. Result has 138 places, 115 transitions, 573 flow [2021-12-16 02:50:16,229 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=573, PETRI_PLACES=138, PETRI_TRANSITIONS=115} [2021-12-16 02:50:16,231 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 38 predicate places. [2021-12-16 02:50:16,231 INFO L470 AbstractCegarLoop]: Abstraction has has 138 places, 115 transitions, 573 flow [2021-12-16 02:50:16,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 69.57142857142857) internal successors, (974), 14 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:16,232 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:50:16,232 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:50:16,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 02:50:16,232 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-16 02:50:16,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:50:16,233 INFO L85 PathProgramCache]: Analyzing trace with hash -346324160, now seen corresponding path program 2 times [2021-12-16 02:50:16,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:50:16,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403195486] [2021-12-16 02:50:16,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:50:16,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:50:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:50:16,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:50:16,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:50:16,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403195486] [2021-12-16 02:50:16,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403195486] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:50:16,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:50:16,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-16 02:50:16,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277082438] [2021-12-16 02:50:16,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:50:16,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-16 02:50:16,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:50:16,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-16 02:50:16,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-16 02:50:16,749 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 97 [2021-12-16 02:50:16,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 115 transitions, 573 flow. Second operand has 14 states, 14 states have (on average 68.64285714285714) internal successors, (961), 14 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:16,750 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:50:16,750 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 97 [2021-12-16 02:50:16,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:50:17,482 INFO L129 PetriNetUnfolder]: 134/416 cut-off events. [2021-12-16 02:50:17,482 INFO L130 PetriNetUnfolder]: For 1721/2431 co-relation queries the response was YES. [2021-12-16 02:50:17,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1650 conditions, 416 events. 134/416 cut-off events. For 1721/2431 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1810 event pairs, 62 based on Foata normal form. 56/454 useless extension candidates. Maximal degree in co-relation 1554. Up to 178 conditions per place. [2021-12-16 02:50:17,486 INFO L132 encePairwiseOnDemand]: 80/97 looper letters, 36 selfloop transitions, 29 changer transitions 16/141 dead transitions. [2021-12-16 02:50:17,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 141 transitions, 953 flow [2021-12-16 02:50:17,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-16 02:50:17,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-16 02:50:17,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1264 transitions. [2021-12-16 02:50:17,488 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7239404352806414 [2021-12-16 02:50:17,488 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1264 transitions. [2021-12-16 02:50:17,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1264 transitions. [2021-12-16 02:50:17,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:50:17,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1264 transitions. [2021-12-16 02:50:17,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 70.22222222222223) internal successors, (1264), 18 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:17,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 97.0) internal successors, (1843), 19 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:17,493 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 97.0) internal successors, (1843), 19 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:17,493 INFO L186 Difference]: Start difference. First operand has 138 places, 115 transitions, 573 flow. Second operand 18 states and 1264 transitions. [2021-12-16 02:50:17,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 141 transitions, 953 flow [2021-12-16 02:50:17,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 141 transitions, 923 flow, removed 11 selfloop flow, removed 7 redundant places. [2021-12-16 02:50:17,499 INFO L242 Difference]: Finished difference. Result has 150 places, 122 transitions, 724 flow [2021-12-16 02:50:17,499 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=551, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=724, PETRI_PLACES=150, PETRI_TRANSITIONS=122} [2021-12-16 02:50:17,500 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 50 predicate places. [2021-12-16 02:50:17,500 INFO L470 AbstractCegarLoop]: Abstraction has has 150 places, 122 transitions, 724 flow [2021-12-16 02:50:17,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 68.64285714285714) internal successors, (961), 14 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:17,501 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:50:17,501 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:50:17,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 02:50:17,501 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-16 02:50:17,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:50:17,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1621848226, now seen corresponding path program 3 times [2021-12-16 02:50:17,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:50:17,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779193473] [2021-12-16 02:50:17,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:50:17,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:50:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:50:17,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:50:17,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:50:17,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779193473] [2021-12-16 02:50:17,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779193473] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:50:17,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:50:17,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-16 02:50:17,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901394282] [2021-12-16 02:50:17,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:50:17,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-16 02:50:17,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:50:17,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-16 02:50:17,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-12-16 02:50:17,856 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 97 [2021-12-16 02:50:17,857 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 122 transitions, 724 flow. Second operand has 13 states, 13 states have (on average 70.61538461538461) internal successors, (918), 13 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:17,857 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:50:17,857 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 97 [2021-12-16 02:50:17,857 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:50:18,255 INFO L129 PetriNetUnfolder]: 181/629 cut-off events. [2021-12-16 02:50:18,256 INFO L130 PetriNetUnfolder]: For 3411/4111 co-relation queries the response was YES. [2021-12-16 02:50:18,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2609 conditions, 629 events. 181/629 cut-off events. For 3411/4111 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3525 event pairs, 22 based on Foata normal form. 57/664 useless extension candidates. Maximal degree in co-relation 2507. Up to 138 conditions per place. [2021-12-16 02:50:18,260 INFO L132 encePairwiseOnDemand]: 83/97 looper letters, 45 selfloop transitions, 38 changer transitions 19/164 dead transitions. [2021-12-16 02:50:18,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 164 transitions, 1358 flow [2021-12-16 02:50:18,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-16 02:50:18,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-16 02:50:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1103 transitions. [2021-12-16 02:50:18,263 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7580756013745704 [2021-12-16 02:50:18,263 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1103 transitions. [2021-12-16 02:50:18,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1103 transitions. [2021-12-16 02:50:18,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:50:18,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1103 transitions. [2021-12-16 02:50:18,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 73.53333333333333) internal successors, (1103), 15 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:18,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 97.0) internal successors, (1552), 16 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:18,267 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 97.0) internal successors, (1552), 16 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:18,267 INFO L186 Difference]: Start difference. First operand has 150 places, 122 transitions, 724 flow. Second operand 15 states and 1103 transitions. [2021-12-16 02:50:18,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 164 transitions, 1358 flow [2021-12-16 02:50:18,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 164 transitions, 1183 flow, removed 67 selfloop flow, removed 15 redundant places. [2021-12-16 02:50:18,274 INFO L242 Difference]: Finished difference. Result has 152 places, 134 transitions, 868 flow [2021-12-16 02:50:18,275 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=868, PETRI_PLACES=152, PETRI_TRANSITIONS=134} [2021-12-16 02:50:18,275 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 52 predicate places. [2021-12-16 02:50:18,275 INFO L470 AbstractCegarLoop]: Abstraction has has 152 places, 134 transitions, 868 flow [2021-12-16 02:50:18,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 70.61538461538461) internal successors, (918), 13 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:18,276 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:50:18,276 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:50:18,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 02:50:18,276 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-16 02:50:18,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:50:18,276 INFO L85 PathProgramCache]: Analyzing trace with hash 3828271, now seen corresponding path program 1 times [2021-12-16 02:50:18,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:50:18,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665522917] [2021-12-16 02:50:18,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:50:18,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:50:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:50:18,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:50:18,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:50:18,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665522917] [2021-12-16 02:50:18,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665522917] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:50:18,369 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:50:18,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 02:50:18,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079326811] [2021-12-16 02:50:18,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:50:18,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 02:50:18,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:50:18,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 02:50:18,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 02:50:18,371 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 97 [2021-12-16 02:50:18,371 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 134 transitions, 868 flow. Second operand has 6 states, 6 states have (on average 76.33333333333333) internal successors, (458), 6 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:18,371 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:50:18,371 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 97 [2021-12-16 02:50:18,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:50:18,642 INFO L129 PetriNetUnfolder]: 414/1050 cut-off events. [2021-12-16 02:50:18,642 INFO L130 PetriNetUnfolder]: For 4842/4888 co-relation queries the response was YES. [2021-12-16 02:50:18,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4063 conditions, 1050 events. 414/1050 cut-off events. For 4842/4888 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 6457 event pairs, 29 based on Foata normal form. 32/1056 useless extension candidates. Maximal degree in co-relation 3968. Up to 208 conditions per place. [2021-12-16 02:50:18,651 INFO L132 encePairwiseOnDemand]: 88/97 looper letters, 74 selfloop transitions, 12 changer transitions 59/215 dead transitions. [2021-12-16 02:50:18,652 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 215 transitions, 1905 flow [2021-12-16 02:50:18,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-16 02:50:18,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-16 02:50:18,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 820 transitions. [2021-12-16 02:50:18,654 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.845360824742268 [2021-12-16 02:50:18,654 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 820 transitions. [2021-12-16 02:50:18,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 820 transitions. [2021-12-16 02:50:18,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:50:18,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 820 transitions. [2021-12-16 02:50:18,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 82.0) internal successors, (820), 10 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:18,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 97.0) internal successors, (1067), 11 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:18,657 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 97.0) internal successors, (1067), 11 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:18,657 INFO L186 Difference]: Start difference. First operand has 152 places, 134 transitions, 868 flow. Second operand 10 states and 820 transitions. [2021-12-16 02:50:18,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 215 transitions, 1905 flow [2021-12-16 02:50:18,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 215 transitions, 1717 flow, removed 70 selfloop flow, removed 18 redundant places. [2021-12-16 02:50:18,666 INFO L242 Difference]: Finished difference. Result has 141 places, 118 transitions, 608 flow [2021-12-16 02:50:18,666 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=539, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=608, PETRI_PLACES=141, PETRI_TRANSITIONS=118} [2021-12-16 02:50:18,667 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 41 predicate places. [2021-12-16 02:50:18,667 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 118 transitions, 608 flow [2021-12-16 02:50:18,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 76.33333333333333) internal successors, (458), 6 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:18,667 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:50:18,667 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] [2021-12-16 02:50:18,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 02:50:18,668 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-16 02:50:18,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:50:18,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2103913940, now seen corresponding path program 1 times [2021-12-16 02:50:18,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:50:18,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115678217] [2021-12-16 02:50:18,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:50:18,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:50:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:50:19,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:50:19,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:50:19,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115678217] [2021-12-16 02:50:19,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115678217] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:50:19,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:50:19,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-16 02:50:19,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100668655] [2021-12-16 02:50:19,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:50:19,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-16 02:50:19,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:50:19,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-16 02:50:19,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-12-16 02:50:19,075 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 97 [2021-12-16 02:50:19,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 118 transitions, 608 flow. Second operand has 14 states, 14 states have (on average 68.71428571428571) internal successors, (962), 14 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:19,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:50:19,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 97 [2021-12-16 02:50:19,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:50:19,851 INFO L129 PetriNetUnfolder]: 97/632 cut-off events. [2021-12-16 02:50:19,851 INFO L130 PetriNetUnfolder]: For 1434/1479 co-relation queries the response was YES. [2021-12-16 02:50:19,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1984 conditions, 632 events. 97/632 cut-off events. For 1434/1479 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 4287 event pairs, 16 based on Foata normal form. 12/618 useless extension candidates. Maximal degree in co-relation 1888. Up to 105 conditions per place. [2021-12-16 02:50:19,856 INFO L132 encePairwiseOnDemand]: 85/97 looper letters, 55 selfloop transitions, 17 changer transitions 10/150 dead transitions. [2021-12-16 02:50:19,856 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 150 transitions, 1023 flow [2021-12-16 02:50:19,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-16 02:50:19,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-12-16 02:50:19,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 861 transitions. [2021-12-16 02:50:19,858 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7396907216494846 [2021-12-16 02:50:19,858 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 861 transitions. [2021-12-16 02:50:19,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 861 transitions. [2021-12-16 02:50:19,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:50:19,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 861 transitions. [2021-12-16 02:50:19,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 71.75) internal successors, (861), 12 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:19,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 97.0) internal successors, (1261), 13 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:19,864 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 97.0) internal successors, (1261), 13 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:19,864 INFO L186 Difference]: Start difference. First operand has 141 places, 118 transitions, 608 flow. Second operand 12 states and 861 transitions. [2021-12-16 02:50:19,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 150 transitions, 1023 flow [2021-12-16 02:50:19,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 150 transitions, 1021 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-16 02:50:19,870 INFO L242 Difference]: Finished difference. Result has 156 places, 123 transitions, 722 flow [2021-12-16 02:50:19,870 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=722, PETRI_PLACES=156, PETRI_TRANSITIONS=123} [2021-12-16 02:50:19,871 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 56 predicate places. [2021-12-16 02:50:19,871 INFO L470 AbstractCegarLoop]: Abstraction has has 156 places, 123 transitions, 722 flow [2021-12-16 02:50:19,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 68.71428571428571) internal successors, (962), 14 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:19,872 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:50:19,872 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] [2021-12-16 02:50:19,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-16 02:50:19,872 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-16 02:50:19,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:50:19,873 INFO L85 PathProgramCache]: Analyzing trace with hash 228405318, now seen corresponding path program 2 times [2021-12-16 02:50:19,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:50:19,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825266671] [2021-12-16 02:50:19,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:50:19,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:50:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:50:20,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:50:20,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:50:20,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825266671] [2021-12-16 02:50:20,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825266671] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:50:20,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:50:20,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-16 02:50:20,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039514495] [2021-12-16 02:50:20,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:50:20,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-16 02:50:20,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:50:20,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-16 02:50:20,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-12-16 02:50:20,241 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 97 [2021-12-16 02:50:20,242 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 123 transitions, 722 flow. Second operand has 14 states, 14 states have (on average 68.71428571428571) internal successors, (962), 14 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:20,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:50:20,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 97 [2021-12-16 02:50:20,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:50:20,684 INFO L129 PetriNetUnfolder]: 100/666 cut-off events. [2021-12-16 02:50:20,685 INFO L130 PetriNetUnfolder]: For 1936/1991 co-relation queries the response was YES. [2021-12-16 02:50:20,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2202 conditions, 666 events. 100/666 cut-off events. For 1936/1991 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4777 event pairs, 33 based on Foata normal form. 16/650 useless extension candidates. Maximal degree in co-relation 2098. Up to 136 conditions per place. [2021-12-16 02:50:20,689 INFO L132 encePairwiseOnDemand]: 84/97 looper letters, 40 selfloop transitions, 27 changer transitions 10/145 dead transitions. [2021-12-16 02:50:20,689 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 145 transitions, 1052 flow [2021-12-16 02:50:20,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-16 02:50:20,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-16 02:50:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1127 transitions. [2021-12-16 02:50:20,691 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.726159793814433 [2021-12-16 02:50:20,691 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1127 transitions. [2021-12-16 02:50:20,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1127 transitions. [2021-12-16 02:50:20,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:50:20,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1127 transitions. [2021-12-16 02:50:20,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 70.4375) internal successors, (1127), 16 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:20,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 97.0) internal successors, (1649), 17 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:20,694 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 97.0) internal successors, (1649), 17 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:20,694 INFO L186 Difference]: Start difference. First operand has 156 places, 123 transitions, 722 flow. Second operand 16 states and 1127 transitions. [2021-12-16 02:50:20,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 145 transitions, 1052 flow [2021-12-16 02:50:20,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 145 transitions, 1012 flow, removed 13 selfloop flow, removed 7 redundant places. [2021-12-16 02:50:20,702 INFO L242 Difference]: Finished difference. Result has 169 places, 132 transitions, 869 flow [2021-12-16 02:50:20,702 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=869, PETRI_PLACES=169, PETRI_TRANSITIONS=132} [2021-12-16 02:50:20,703 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 69 predicate places. [2021-12-16 02:50:20,703 INFO L470 AbstractCegarLoop]: Abstraction has has 169 places, 132 transitions, 869 flow [2021-12-16 02:50:20,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 68.71428571428571) internal successors, (962), 14 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:20,703 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:50:20,703 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] [2021-12-16 02:50:20,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-16 02:50:20,704 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-16 02:50:20,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:50:20,704 INFO L85 PathProgramCache]: Analyzing trace with hash 256124214, now seen corresponding path program 3 times [2021-12-16 02:50:20,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:50:20,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296498225] [2021-12-16 02:50:20,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:50:20,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:50:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:50:20,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:50:20,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:50:20,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296498225] [2021-12-16 02:50:20,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296498225] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:50:20,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:50:20,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 02:50:20,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202640254] [2021-12-16 02:50:20,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:50:20,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 02:50:20,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:50:20,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 02:50:20,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-16 02:50:20,797 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 97 [2021-12-16 02:50:20,797 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 132 transitions, 869 flow. Second operand has 7 states, 7 states have (on average 76.28571428571429) internal successors, (534), 7 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:20,797 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:50:20,797 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 97 [2021-12-16 02:50:20,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:50:21,173 INFO L129 PetriNetUnfolder]: 502/1345 cut-off events. [2021-12-16 02:50:21,173 INFO L130 PetriNetUnfolder]: For 7901/7940 co-relation queries the response was YES. [2021-12-16 02:50:21,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5809 conditions, 1345 events. 502/1345 cut-off events. For 7901/7940 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9880 event pairs, 33 based on Foata normal form. 54/1389 useless extension candidates. Maximal degree in co-relation 5759. Up to 176 conditions per place. [2021-12-16 02:50:21,181 INFO L132 encePairwiseOnDemand]: 88/97 looper letters, 67 selfloop transitions, 15 changer transitions 97/248 dead transitions. [2021-12-16 02:50:21,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 248 transitions, 2557 flow [2021-12-16 02:50:21,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 02:50:21,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-16 02:50:21,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1031 transitions. [2021-12-16 02:50:21,183 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8176050753370341 [2021-12-16 02:50:21,183 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1031 transitions. [2021-12-16 02:50:21,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1031 transitions. [2021-12-16 02:50:21,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:50:21,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1031 transitions. [2021-12-16 02:50:21,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 79.3076923076923) internal successors, (1031), 13 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:21,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 97.0) internal successors, (1358), 14 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:21,186 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 97.0) internal successors, (1358), 14 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:21,186 INFO L186 Difference]: Start difference. First operand has 169 places, 132 transitions, 869 flow. Second operand 13 states and 1031 transitions. [2021-12-16 02:50:21,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 248 transitions, 2557 flow [2021-12-16 02:50:21,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 248 transitions, 1991 flow, removed 185 selfloop flow, removed 27 redundant places. [2021-12-16 02:50:21,201 INFO L242 Difference]: Finished difference. Result has 155 places, 127 transitions, 682 flow [2021-12-16 02:50:21,202 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=619, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=682, PETRI_PLACES=155, PETRI_TRANSITIONS=127} [2021-12-16 02:50:21,202 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 55 predicate places. [2021-12-16 02:50:21,202 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 127 transitions, 682 flow [2021-12-16 02:50:21,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 76.28571428571429) internal successors, (534), 7 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:21,203 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:50:21,203 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] [2021-12-16 02:50:21,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-16 02:50:21,203 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-16 02:50:21,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:50:21,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1282285518, now seen corresponding path program 1 times [2021-12-16 02:50:21,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:50:21,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868853911] [2021-12-16 02:50:21,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:50:21,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:50:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:50:21,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:50:21,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:50:21,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868853911] [2021-12-16 02:50:21,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868853911] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:50:21,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:50:21,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-12-16 02:50:21,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661451337] [2021-12-16 02:50:21,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:50:21,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-16 02:50:21,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:50:21,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-16 02:50:21,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-12-16 02:50:21,878 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 97 [2021-12-16 02:50:21,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 127 transitions, 682 flow. Second operand has 18 states, 18 states have (on average 66.5) internal successors, (1197), 18 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:21,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:50:21,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 97 [2021-12-16 02:50:21,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:50:22,318 INFO L129 PetriNetUnfolder]: 45/512 cut-off events. [2021-12-16 02:50:22,318 INFO L130 PetriNetUnfolder]: For 978/997 co-relation queries the response was YES. [2021-12-16 02:50:22,320 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1509 conditions, 512 events. 45/512 cut-off events. For 978/997 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3888 event pairs, 1 based on Foata normal form. 1/494 useless extension candidates. Maximal degree in co-relation 1420. Up to 75 conditions per place. [2021-12-16 02:50:22,321 INFO L132 encePairwiseOnDemand]: 83/97 looper letters, 34 selfloop transitions, 13 changer transitions 24/138 dead transitions. [2021-12-16 02:50:22,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 138 transitions, 880 flow [2021-12-16 02:50:22,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-16 02:50:22,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-16 02:50:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1020 transitions. [2021-12-16 02:50:22,323 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7010309278350515 [2021-12-16 02:50:22,323 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1020 transitions. [2021-12-16 02:50:22,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1020 transitions. [2021-12-16 02:50:22,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:50:22,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1020 transitions. [2021-12-16 02:50:22,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 68.0) internal successors, (1020), 15 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:22,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 97.0) internal successors, (1552), 16 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:22,327 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 97.0) internal successors, (1552), 16 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:22,327 INFO L186 Difference]: Start difference. First operand has 155 places, 127 transitions, 682 flow. Second operand 15 states and 1020 transitions. [2021-12-16 02:50:22,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 138 transitions, 880 flow [2021-12-16 02:50:22,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 138 transitions, 827 flow, removed 9 selfloop flow, removed 10 redundant places. [2021-12-16 02:50:22,333 INFO L242 Difference]: Finished difference. Result has 161 places, 114 transitions, 578 flow [2021-12-16 02:50:22,333 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=578, PETRI_PLACES=161, PETRI_TRANSITIONS=114} [2021-12-16 02:50:22,334 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 61 predicate places. [2021-12-16 02:50:22,334 INFO L470 AbstractCegarLoop]: Abstraction has has 161 places, 114 transitions, 578 flow [2021-12-16 02:50:22,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 66.5) internal successors, (1197), 18 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:22,334 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:50:22,335 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] [2021-12-16 02:50:22,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-16 02:50:22,335 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-16 02:50:22,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:50:22,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1897805008, now seen corresponding path program 2 times [2021-12-16 02:50:22,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:50:22,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928557135] [2021-12-16 02:50:22,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:50:22,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:50:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:50:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:50:22,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:50:22,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928557135] [2021-12-16 02:50:22,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928557135] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:50:22,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:50:22,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 02:50:22,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797569123] [2021-12-16 02:50:22,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:50:22,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 02:50:22,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:50:22,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 02:50:22,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 02:50:22,416 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 97 [2021-12-16 02:50:22,417 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 114 transitions, 578 flow. Second operand has 6 states, 6 states have (on average 77.83333333333333) internal successors, (467), 6 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:22,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:50:22,417 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 97 [2021-12-16 02:50:22,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:50:22,517 INFO L129 PetriNetUnfolder]: 30/273 cut-off events. [2021-12-16 02:50:22,517 INFO L130 PetriNetUnfolder]: For 396/399 co-relation queries the response was YES. [2021-12-16 02:50:22,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 795 conditions, 273 events. 30/273 cut-off events. For 396/399 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1445 event pairs, 0 based on Foata normal form. 1/266 useless extension candidates. Maximal degree in co-relation 766. Up to 29 conditions per place. [2021-12-16 02:50:22,519 INFO L132 encePairwiseOnDemand]: 92/97 looper letters, 0 selfloop transitions, 0 changer transitions 118/118 dead transitions. [2021-12-16 02:50:22,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 118 transitions, 706 flow [2021-12-16 02:50:22,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 02:50:22,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-16 02:50:22,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 470 transitions. [2021-12-16 02:50:22,520 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8075601374570447 [2021-12-16 02:50:22,520 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 470 transitions. [2021-12-16 02:50:22,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 470 transitions. [2021-12-16 02:50:22,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:50:22,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 470 transitions. [2021-12-16 02:50:22,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 78.33333333333333) internal successors, (470), 6 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:22,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 97.0) internal successors, (679), 7 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:22,522 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 97.0) internal successors, (679), 7 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:22,522 INFO L186 Difference]: Start difference. First operand has 161 places, 114 transitions, 578 flow. Second operand 6 states and 470 transitions. [2021-12-16 02:50:22,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 118 transitions, 706 flow [2021-12-16 02:50:22,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 118 transitions, 610 flow, removed 15 selfloop flow, removed 25 redundant places. [2021-12-16 02:50:22,536 INFO L242 Difference]: Finished difference. Result has 131 places, 0 transitions, 0 flow [2021-12-16 02:50:22,537 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=131, PETRI_TRANSITIONS=0} [2021-12-16 02:50:22,537 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 31 predicate places. [2021-12-16 02:50:22,537 INFO L470 AbstractCegarLoop]: Abstraction has has 131 places, 0 transitions, 0 flow [2021-12-16 02:50:22,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.83333333333333) internal successors, (467), 6 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 02:50:22,540 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-12-16 02:50:22,540 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-12-16 02:50:22,540 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2021-12-16 02:50:22,540 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 5 remaining) [2021-12-16 02:50:22,541 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-12-16 02:50:22,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-16 02:50:22,544 INFO L732 BasicCegarLoop]: Path program histogram: [3, 3, 2, 1, 1, 1, 1, 1, 1] [2021-12-16 02:50:22,547 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-16 02:50:22,547 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 02:50:22,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 02:50:22 BasicIcfg [2021-12-16 02:50:22,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 02:50:22,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 02:50:22,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 02:50:22,549 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 02:50:22,549 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:50:12" (3/4) ... [2021-12-16 02:50:22,551 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 02:50:22,556 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-12-16 02:50:22,556 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-12-16 02:50:22,566 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 117 nodes and edges [2021-12-16 02:50:22,567 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-12-16 02:50:22,567 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-12-16 02:50:22,567 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 02:50:22,615 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 02:50:22,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 02:50:22,616 INFO L158 Benchmark]: Toolchain (without parser) took 11623.67ms. Allocated memory was 117.4MB in the beginning and 318.8MB in the end (delta: 201.3MB). Free memory was 84.6MB in the beginning and 101.4MB in the end (delta: -16.9MB). Peak memory consumption was 184.5MB. Max. memory is 16.1GB. [2021-12-16 02:50:22,617 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory was 52.6MB in the beginning and 52.6MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 02:50:22,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.73ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 79.1MB in the end (delta: 4.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 02:50:22,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.55ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 74.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-16 02:50:22,617 INFO L158 Benchmark]: Boogie Preprocessor took 55.56ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 72.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 02:50:22,617 INFO L158 Benchmark]: RCFGBuilder took 1048.68ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 42.6MB in the end (delta: 29.6MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2021-12-16 02:50:22,618 INFO L158 Benchmark]: TraceAbstraction took 9880.02ms. Allocated memory was 117.4MB in the beginning and 318.8MB in the end (delta: 201.3MB). Free memory was 42.1MB in the beginning and 109.8MB in the end (delta: -67.8MB). Peak memory consumption was 133.5MB. Max. memory is 16.1GB. [2021-12-16 02:50:22,618 INFO L158 Benchmark]: Witness Printer took 66.71ms. Allocated memory is still 318.8MB. Free memory was 109.8MB in the beginning and 101.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 02:50:22,619 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 81.8MB. Free memory was 52.6MB in the beginning and 52.6MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.73ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 79.1MB in the end (delta: 4.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.55ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 74.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.56ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 72.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1048.68ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 42.6MB in the end (delta: 29.6MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * TraceAbstraction took 9880.02ms. Allocated memory was 117.4MB in the beginning and 318.8MB in the end (delta: 201.3MB). Free memory was 42.1MB in the beginning and 109.8MB in the end (delta: -67.8MB). Peak memory consumption was 133.5MB. Max. memory is 16.1GB. * Witness Printer took 66.71ms. Allocated memory is still 318.8MB. Free memory was 109.8MB in the beginning and 101.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 117 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.7s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 652 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 652 mSDsluCounter, 993 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1266 mSDsCounter, 213 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2286 IncrementalHoareTripleChecker+Invalid, 2499 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 213 mSolverCounterUnsat, 168 mSDtfsCounter, 2286 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 231 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 696 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=869occurred in iteration=11, InterpolantAutomatonStates: 172, 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, 0.6s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 969 NumberOfCodeBlocks, 969 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 955 ConstructedInterpolants, 0 QuantifiedInterpolants, 7954 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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! [2021-12-16 02:50:22,688 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