/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-After.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 11:19:04,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 11:19:04,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 11:19:04,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 11:19:04,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 11:19:04,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 11:19:04,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 11:19:04,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 11:19:04,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 11:19:04,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 11:19:04,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 11:19:04,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 11:19:04,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 11:19:04,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 11:19:04,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 11:19:04,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 11:19:04,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 11:19:04,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 11:19:04,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 11:19:04,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 11:19:04,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 11:19:04,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 11:19:04,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 11:19:04,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 11:19:04,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-19 11:19:04,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 11:19:04,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 11:19:04,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 11:19:04,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-After.epf [2022-01-19 11:19:04,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 11:19:04,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 11:19:04,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 11:19:04,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 11:19:04,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 11:19:04,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 11:19:04,167 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 11:19:04,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 11:19:04,167 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 11:19:04,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 11:19:04,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 11:19:04,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 11:19:04,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 11:19:04,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 11:19:04,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 11:19:04,168 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 11:19:04,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 11:19:04,168 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 11:19:04,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 11:19:04,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 11:19:04,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 11:19:04,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 11:19:04,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 11:19:04,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 11:19:04,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 11:19:04,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 11:19:04,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 11:19:04,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 11:19:04,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 11:19:04,170 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 11:19:04,170 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 11:19:04,170 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=AFTER [2022-01-19 11:19:04,170 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 11:19:04,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 11:19:04,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 11:19:04,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 11:19:04,338 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 11:19:04,339 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 11:19:04,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-01-19 11:19:04,383 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a44cc24e/d3043a4bea9c4a249d31d2ec4dac4b14/FLAG2f927d804 [2022-01-19 11:19:04,812 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 11:19:04,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-01-19 11:19:04,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a44cc24e/d3043a4bea9c4a249d31d2ec4dac4b14/FLAG2f927d804 [2022-01-19 11:19:04,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a44cc24e/d3043a4bea9c4a249d31d2ec4dac4b14 [2022-01-19 11:19:04,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 11:19:04,841 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 11:19:04,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 11:19:04,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 11:19:04,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 11:19:04,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 11:19:04" (1/1) ... [2022-01-19 11:19:04,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a1e743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:19:04, skipping insertion in model container [2022-01-19 11:19:04,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 11:19:04" (1/1) ... [2022-01-19 11:19:04,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 11:19:04,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 11:19:05,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i[1017,1030] [2022-01-19 11:19:05,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 11:19:05,088 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 11:19:05,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i[1017,1030] [2022-01-19 11:19:05,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 11:19:05,168 INFO L208 MainTranslator]: Completed translation [2022-01-19 11:19:05,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:19:05 WrapperNode [2022-01-19 11:19:05,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 11:19:05,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 11:19:05,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 11:19:05,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 11:19:05,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:19:05" (1/1) ... [2022-01-19 11:19:05,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:19:05" (1/1) ... [2022-01-19 11:19:05,217 INFO L137 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-01-19 11:19:05,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 11:19:05,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 11:19:05,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 11:19:05,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 11:19:05,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:19:05" (1/1) ... [2022-01-19 11:19:05,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:19:05" (1/1) ... [2022-01-19 11:19:05,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:19:05" (1/1) ... [2022-01-19 11:19:05,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:19:05" (1/1) ... [2022-01-19 11:19:05,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:19:05" (1/1) ... [2022-01-19 11:19:05,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:19:05" (1/1) ... [2022-01-19 11:19:05,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:19:05" (1/1) ... [2022-01-19 11:19:05,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 11:19:05,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 11:19:05,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 11:19:05,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 11:19:05,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:19:05" (1/1) ... [2022-01-19 11:19:05,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 11:19:05,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 11:19:05,271 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) [2022-01-19 11:19:05,281 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 [2022-01-19 11:19:05,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 11:19:05,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-19 11:19:05,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 11:19:05,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 11:19:05,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 11:19:05,303 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-01-19 11:19:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-01-19 11:19:05,303 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-01-19 11:19:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-01-19 11:19:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 11:19:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-19 11:19:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 11:19:05,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 11:19:05,305 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 11:19:05,373 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 11:19:05,374 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 11:19:05,506 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 11:19:05,510 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 11:19:05,511 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 11:19:05,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 11:19:05 BoogieIcfgContainer [2022-01-19 11:19:05,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 11:19:05,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 11:19:05,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 11:19:05,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 11:19:05,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 11:19:04" (1/3) ... [2022-01-19 11:19:05,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3778e8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 11:19:05, skipping insertion in model container [2022-01-19 11:19:05,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 11:19:05" (2/3) ... [2022-01-19 11:19:05,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3778e8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 11:19:05, skipping insertion in model container [2022-01-19 11:19:05,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 11:19:05" (3/3) ... [2022-01-19 11:19:05,518 INFO L111 eAbstractionObserver]: Analyzing ICFG safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-01-19 11:19:05,521 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 11:19:05,522 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 11:19:05,522 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 11:19:05,540 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,540 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,540 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,540 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,540 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,541 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,541 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,541 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,541 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,541 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,541 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,541 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,542 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,542 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,542 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,542 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,542 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,542 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,542 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,542 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,543 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,543 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,543 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,543 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,545 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,545 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,545 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,545 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,547 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,547 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,547 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,547 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 11:19:05,547 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-19 11:19:05,576 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 11:19:05,580 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=false, 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 [2022-01-19 11:19:05,581 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-19 11:19:05,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 75 transitions, 160 flow [2022-01-19 11:19:05,611 INFO L129 PetriNetUnfolder]: 2/73 cut-off events. [2022-01-19 11:19:05,612 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-19 11:19:05,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 73 events. 2/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 35 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2022-01-19 11:19:05,614 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 75 transitions, 160 flow [2022-01-19 11:19:05,616 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 61 transitions, 128 flow [2022-01-19 11:19:05,628 INFO L129 PetriNetUnfolder]: 1/60 cut-off events. [2022-01-19 11:19:05,628 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-19 11:19:05,628 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 11:19:05,629 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 11:19:05,629 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 11:19:05,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 11:19:05,632 INFO L85 PathProgramCache]: Analyzing trace with hash 899280188, now seen corresponding path program 1 times [2022-01-19 11:19:05,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 11:19:05,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806244376] [2022-01-19 11:19:05,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 11:19:05,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 11:19:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 11:19:05,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 11:19:05,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 11:19:05,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806244376] [2022-01-19 11:19:05,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806244376] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 11:19:05,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 11:19:05,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 11:19:05,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274817844] [2022-01-19 11:19:05,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 11:19:05,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 11:19:05,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 11:19:06,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 11:19:06,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-01-19 11:19:06,012 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 75 [2022-01-19 11:19:06,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 61 transitions, 128 flow. Second operand has 7 states, 7 states have (on average 60.42857142857143) internal successors, (423), 7 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:06,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 11:19:06,015 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 75 [2022-01-19 11:19:06,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 11:19:06,159 INFO L129 PetriNetUnfolder]: 21/138 cut-off events. [2022-01-19 11:19:06,160 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 11:19:06,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 138 events. 21/138 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 371 event pairs, 5 based on Foata normal form. 6/140 useless extension candidates. Maximal degree in co-relation 170. Up to 21 conditions per place. [2022-01-19 11:19:06,162 INFO L132 encePairwiseOnDemand]: 68/75 looper letters, 12 selfloop transitions, 2 changer transitions 16/78 dead transitions. [2022-01-19 11:19:06,162 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 78 transitions, 225 flow [2022-01-19 11:19:06,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-19 11:19:06,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-19 11:19:06,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 565 transitions. [2022-01-19 11:19:06,173 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.837037037037037 [2022-01-19 11:19:06,173 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 565 transitions. [2022-01-19 11:19:06,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 565 transitions. [2022-01-19 11:19:06,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 11:19:06,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 565 transitions. [2022-01-19 11:19:06,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 62.77777777777778) internal successors, (565), 9 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:06,187 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 75.0) internal successors, (750), 10 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:06,187 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 75.0) internal successors, (750), 10 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:06,188 INFO L186 Difference]: Start difference. First operand has 67 places, 61 transitions, 128 flow. Second operand 9 states and 565 transitions. [2022-01-19 11:19:06,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 78 transitions, 225 flow [2022-01-19 11:19:06,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 78 transitions, 222 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-01-19 11:19:06,193 INFO L242 Difference]: Finished difference. Result has 80 places, 60 transitions, 144 flow [2022-01-19 11:19:06,194 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=144, PETRI_PLACES=80, PETRI_TRANSITIONS=60} [2022-01-19 11:19:06,196 INFO L334 CegarLoopForPetriNet]: 67 programPoint places, 13 predicate places. [2022-01-19 11:19:06,196 INFO L470 AbstractCegarLoop]: Abstraction has has 80 places, 60 transitions, 144 flow [2022-01-19 11:19:06,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 60.42857142857143) internal successors, (423), 7 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:06,197 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 11:19:06,197 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] [2022-01-19 11:19:06,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 11:19:06,197 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 11:19:06,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 11:19:06,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1674778395, now seen corresponding path program 1 times [2022-01-19 11:19:06,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 11:19:06,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913605257] [2022-01-19 11:19:06,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 11:19:06,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 11:19:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 11:19:06,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 11:19:06,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 11:19:06,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913605257] [2022-01-19 11:19:06,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913605257] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 11:19:06,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 11:19:06,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 11:19:06,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497353457] [2022-01-19 11:19:06,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 11:19:06,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 11:19:06,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 11:19:06,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 11:19:06,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-19 11:19:06,316 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 75 [2022-01-19 11:19:06,316 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 60 transitions, 144 flow. Second operand has 7 states, 7 states have (on average 58.714285714285715) internal successors, (411), 7 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:06,316 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 11:19:06,316 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 75 [2022-01-19 11:19:06,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 11:19:06,548 INFO L129 PetriNetUnfolder]: 17/148 cut-off events. [2022-01-19 11:19:06,548 INFO L130 PetriNetUnfolder]: For 53/64 co-relation queries the response was YES. [2022-01-19 11:19:06,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 271 conditions, 148 events. 17/148 cut-off events. For 53/64 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 454 event pairs, 1 based on Foata normal form. 5/150 useless extension candidates. Maximal degree in co-relation 247. Up to 16 conditions per place. [2022-01-19 11:19:06,551 INFO L132 encePairwiseOnDemand]: 66/75 looper letters, 16 selfloop transitions, 4 changer transitions 25/91 dead transitions. [2022-01-19 11:19:06,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 91 transitions, 352 flow [2022-01-19 11:19:06,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-19 11:19:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-01-19 11:19:06,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1018 transitions. [2022-01-19 11:19:06,555 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7984313725490196 [2022-01-19 11:19:06,555 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1018 transitions. [2022-01-19 11:19:06,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1018 transitions. [2022-01-19 11:19:06,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 11:19:06,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1018 transitions. [2022-01-19 11:19:06,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 59.88235294117647) internal successors, (1018), 17 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:06,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 75.0) internal successors, (1350), 18 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:06,562 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 75.0) internal successors, (1350), 18 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:06,563 INFO L186 Difference]: Start difference. First operand has 80 places, 60 transitions, 144 flow. Second operand 17 states and 1018 transitions. [2022-01-19 11:19:06,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 91 transitions, 352 flow [2022-01-19 11:19:06,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 91 transitions, 288 flow, removed 28 selfloop flow, removed 8 redundant places. [2022-01-19 11:19:06,567 INFO L242 Difference]: Finished difference. Result has 97 places, 60 transitions, 172 flow [2022-01-19 11:19:06,568 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=172, PETRI_PLACES=97, PETRI_TRANSITIONS=60} [2022-01-19 11:19:06,569 INFO L334 CegarLoopForPetriNet]: 67 programPoint places, 30 predicate places. [2022-01-19 11:19:06,569 INFO L470 AbstractCegarLoop]: Abstraction has has 97 places, 60 transitions, 172 flow [2022-01-19 11:19:06,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 58.714285714285715) internal successors, (411), 7 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:06,570 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 11:19:06,570 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] [2022-01-19 11:19:06,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 11:19:06,570 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 11:19:06,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 11:19:06,571 INFO L85 PathProgramCache]: Analyzing trace with hash -111142662, now seen corresponding path program 1 times [2022-01-19 11:19:06,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 11:19:06,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259168158] [2022-01-19 11:19:06,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 11:19:06,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 11:19:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 11:19:06,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 11:19:06,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 11:19:06,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259168158] [2022-01-19 11:19:06,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259168158] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 11:19:06,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 11:19:06,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 11:19:06,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510888597] [2022-01-19 11:19:06,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 11:19:06,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 11:19:06,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 11:19:06,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 11:19:06,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-01-19 11:19:06,723 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 75 [2022-01-19 11:19:06,724 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 60 transitions, 172 flow. Second operand has 8 states, 8 states have (on average 58.625) internal successors, (469), 8 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:06,724 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 11:19:06,724 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 75 [2022-01-19 11:19:06,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 11:19:06,836 INFO L129 PetriNetUnfolder]: 5/90 cut-off events. [2022-01-19 11:19:06,836 INFO L130 PetriNetUnfolder]: For 109/124 co-relation queries the response was YES. [2022-01-19 11:19:06,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 90 events. 5/90 cut-off events. For 109/124 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 132 event pairs, 1 based on Foata normal form. 2/90 useless extension candidates. Maximal degree in co-relation 182. Up to 10 conditions per place. [2022-01-19 11:19:06,838 INFO L132 encePairwiseOnDemand]: 67/75 looper letters, 10 selfloop transitions, 4 changer transitions 13/72 dead transitions. [2022-01-19 11:19:06,838 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 72 transitions, 304 flow [2022-01-19 11:19:06,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 11:19:06,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 11:19:06,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 598 transitions. [2022-01-19 11:19:06,840 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7973333333333333 [2022-01-19 11:19:06,840 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 598 transitions. [2022-01-19 11:19:06,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 598 transitions. [2022-01-19 11:19:06,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 11:19:06,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 598 transitions. [2022-01-19 11:19:06,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 59.8) internal successors, (598), 10 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:06,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 75.0) internal successors, (825), 11 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:06,843 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 75.0) internal successors, (825), 11 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:06,843 INFO L186 Difference]: Start difference. First operand has 97 places, 60 transitions, 172 flow. Second operand 10 states and 598 transitions. [2022-01-19 11:19:06,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 72 transitions, 304 flow [2022-01-19 11:19:06,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 72 transitions, 226 flow, removed 31 selfloop flow, removed 17 redundant places. [2022-01-19 11:19:06,848 INFO L242 Difference]: Finished difference. Result has 85 places, 59 transitions, 164 flow [2022-01-19 11:19:06,848 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=164, PETRI_PLACES=85, PETRI_TRANSITIONS=59} [2022-01-19 11:19:06,849 INFO L334 CegarLoopForPetriNet]: 67 programPoint places, 18 predicate places. [2022-01-19 11:19:06,850 INFO L470 AbstractCegarLoop]: Abstraction has has 85 places, 59 transitions, 164 flow [2022-01-19 11:19:06,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 58.625) internal successors, (469), 8 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:06,850 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 11:19:06,850 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] [2022-01-19 11:19:06,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 11:19:06,851 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 11:19:06,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 11:19:06,853 INFO L85 PathProgramCache]: Analyzing trace with hash 928862734, now seen corresponding path program 1 times [2022-01-19 11:19:06,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 11:19:06,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327888065] [2022-01-19 11:19:06,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 11:19:06,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 11:19:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 11:19:06,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 11:19:06,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 11:19:06,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327888065] [2022-01-19 11:19:06,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327888065] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 11:19:06,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 11:19:06,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 11:19:06,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902172981] [2022-01-19 11:19:06,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 11:19:06,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 11:19:06,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 11:19:06,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 11:19:06,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-01-19 11:19:06,993 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 75 [2022-01-19 11:19:06,993 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 59 transitions, 164 flow. Second operand has 8 states, 8 states have (on average 58.625) internal successors, (469), 8 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:06,993 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 11:19:06,993 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 75 [2022-01-19 11:19:06,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 11:19:07,097 INFO L129 PetriNetUnfolder]: 4/66 cut-off events. [2022-01-19 11:19:07,097 INFO L130 PetriNetUnfolder]: For 44/50 co-relation queries the response was YES. [2022-01-19 11:19:07,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 66 events. 4/66 cut-off events. For 44/50 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 2/68 useless extension candidates. Maximal degree in co-relation 118. Up to 5 conditions per place. [2022-01-19 11:19:07,099 INFO L132 encePairwiseOnDemand]: 67/75 looper letters, 0 selfloop transitions, 0 changer transitions 64/64 dead transitions. [2022-01-19 11:19:07,099 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 64 transitions, 226 flow [2022-01-19 11:19:07,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-19 11:19:07,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-01-19 11:19:07,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 649 transitions. [2022-01-19 11:19:07,101 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7866666666666666 [2022-01-19 11:19:07,101 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 649 transitions. [2022-01-19 11:19:07,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 649 transitions. [2022-01-19 11:19:07,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 11:19:07,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 649 transitions. [2022-01-19 11:19:07,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 59.0) internal successors, (649), 11 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:07,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 75.0) internal successors, (900), 12 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:07,104 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 75.0) internal successors, (900), 12 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:07,105 INFO L186 Difference]: Start difference. First operand has 85 places, 59 transitions, 164 flow. Second operand 11 states and 649 transitions. [2022-01-19 11:19:07,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 64 transitions, 226 flow [2022-01-19 11:19:07,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 64 transitions, 182 flow, removed 15 selfloop flow, removed 10 redundant places. [2022-01-19 11:19:07,106 INFO L242 Difference]: Finished difference. Result has 76 places, 0 transitions, 0 flow [2022-01-19 11:19:07,106 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=76, PETRI_TRANSITIONS=0} [2022-01-19 11:19:07,107 INFO L334 CegarLoopForPetriNet]: 67 programPoint places, 9 predicate places. [2022-01-19 11:19:07,107 INFO L470 AbstractCegarLoop]: Abstraction has has 76 places, 0 transitions, 0 flow [2022-01-19 11:19:07,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 58.625) internal successors, (469), 8 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 11:19:07,109 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-19 11:19:07,109 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-19 11:19:07,109 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-19 11:19:07,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 11:19:07,112 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-19 11:19:07,113 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-19 11:19:07,114 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-19 11:19:07,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.01 11:19:07 BasicIcfg [2022-01-19 11:19:07,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-19 11:19:07,116 INFO L158 Benchmark]: Toolchain (without parser) took 2275.11ms. Allocated memory is still 432.0MB. Free memory was 377.9MB in the beginning and 291.1MB in the end (delta: 86.8MB). Peak memory consumption was 88.2MB. Max. memory is 16.0GB. [2022-01-19 11:19:07,116 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 432.0MB. Free memory is still 395.7MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 11:19:07,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.58ms. Allocated memory is still 432.0MB. Free memory was 377.7MB in the beginning and 396.1MB in the end (delta: -18.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.0GB. [2022-01-19 11:19:07,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.37ms. Allocated memory is still 432.0MB. Free memory was 396.1MB in the beginning and 394.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 11:19:07,117 INFO L158 Benchmark]: Boogie Preprocessor took 26.42ms. Allocated memory is still 432.0MB. Free memory was 394.4MB in the beginning and 392.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 11:19:07,118 INFO L158 Benchmark]: RCFGBuilder took 267.01ms. Allocated memory is still 432.0MB. Free memory was 392.9MB in the beginning and 381.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-19 11:19:07,118 INFO L158 Benchmark]: TraceAbstraction took 1602.97ms. Allocated memory is still 432.0MB. Free memory was 381.1MB in the beginning and 291.1MB in the end (delta: 90.0MB). Peak memory consumption was 90.7MB. Max. memory is 16.0GB. [2022-01-19 11:19:07,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 432.0MB. Free memory is still 395.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 325.58ms. Allocated memory is still 432.0MB. Free memory was 377.7MB in the beginning and 396.1MB in the end (delta: -18.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 47.37ms. Allocated memory is still 432.0MB. Free memory was 396.1MB in the beginning and 394.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 26.42ms. Allocated memory is still 432.0MB. Free memory was 394.4MB in the beginning and 392.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 267.01ms. Allocated memory is still 432.0MB. Free memory was 392.9MB in the beginning and 381.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 1602.97ms. Allocated memory is still 432.0MB. Free memory was 381.1MB in the beginning and 291.1MB in the end (delta: 90.0MB). Peak memory consumption was 90.7MB. Max. memory is 16.0GB. * 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 90 locations, 3 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: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 200 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 177 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 163 IncrementalHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 52 mSDtfsCounter, 163 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=2, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-19 11:19:07,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...