/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 18:48:46,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 18:48:46,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 18:48:46,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 18:48:46,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 18:48:46,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 18:48:46,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 18:48:46,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 18:48:46,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 18:48:46,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 18:48:46,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 18:48:46,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 18:48:46,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 18:48:46,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 18:48:46,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 18:48:46,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 18:48:46,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 18:48:46,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 18:48:46,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 18:48:46,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 18:48:46,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 18:48:46,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 18:48:46,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 18:48:46,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 18:48:46,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 18:48:46,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 18:48:46,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 18:48:46,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 18:48:46,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 18:48:46,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 18:48:46,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 18:48:46,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 18:48:46,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 18:48:46,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 18:48:46,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 18:48:46,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 18:48:46,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 18:48:46,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 18:48:46,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 18:48:46,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 18:48:46,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 18:48:46,305 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-11 18:48:46,351 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 18:48:46,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 18:48:46,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 18:48:46,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 18:48:46,353 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 18:48:46,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 18:48:46,354 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 18:48:46,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 18:48:46,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 18:48:46,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 18:48:46,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 18:48:46,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 18:48:46,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 18:48:46,356 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 18:48:46,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 18:48:46,357 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 18:48:46,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 18:48:46,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 18:48:46,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 18:48:46,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 18:48:46,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 18:48:46,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 18:48:46,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 18:48:46,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 18:48:46,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 18:48:46,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 18:48:46,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 18:48:46,359 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 18:48:46,359 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 18:48:46,359 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 18:48:46,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 18:48:46,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 18:48:46,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 18:48:46,684 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 18:48:46,684 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 18:48:46,685 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2020-10-11 18:48:46,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/542282468/288b6e3e7d9d41d8bfe3b12c39d40542/FLAG781659629 [2020-10-11 18:48:47,277 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 18:48:47,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2020-10-11 18:48:47,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/542282468/288b6e3e7d9d41d8bfe3b12c39d40542/FLAG781659629 [2020-10-11 18:48:47,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/542282468/288b6e3e7d9d41d8bfe3b12c39d40542 [2020-10-11 18:48:47,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 18:48:47,587 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 18:48:47,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 18:48:47,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 18:48:47,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 18:48:47,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:48:47" (1/1) ... [2020-10-11 18:48:47,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aef83f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:47, skipping insertion in model container [2020-10-11 18:48:47,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:48:47" (1/1) ... [2020-10-11 18:48:47,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 18:48:47,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 18:48:48,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:48:48,141 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 18:48:48,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:48:48,279 INFO L208 MainTranslator]: Completed translation [2020-10-11 18:48:48,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:48 WrapperNode [2020-10-11 18:48:48,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 18:48:48,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 18:48:48,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 18:48:48,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 18:48:48,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:48" (1/1) ... [2020-10-11 18:48:48,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:48" (1/1) ... [2020-10-11 18:48:48,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 18:48:48,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 18:48:48,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 18:48:48,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 18:48:48,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:48" (1/1) ... [2020-10-11 18:48:48,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:48" (1/1) ... [2020-10-11 18:48:48,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:48" (1/1) ... [2020-10-11 18:48:48,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:48" (1/1) ... [2020-10-11 18:48:48,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:48" (1/1) ... [2020-10-11 18:48:48,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:48" (1/1) ... [2020-10-11 18:48:48,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:48" (1/1) ... [2020-10-11 18:48:48,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 18:48:48,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 18:48:48,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 18:48:48,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 18:48:48,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 18:48:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 18:48:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 18:48:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 18:48:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 18:48:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-11 18:48:48,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-11 18:48:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-11 18:48:48,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-11 18:48:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-11 18:48:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-11 18:48:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-11 18:48:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-11 18:48:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 18:48:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 18:48:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 18:48:48,424 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 18:48:48,828 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 18:48:48,828 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-11 18:48:48,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:48:48 BoogieIcfgContainer [2020-10-11 18:48:48,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 18:48:48,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 18:48:48,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 18:48:48,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 18:48:48,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 06:48:47" (1/3) ... [2020-10-11 18:48:48,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf94445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:48:48, skipping insertion in model container [2020-10-11 18:48:48,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:48:48" (2/3) ... [2020-10-11 18:48:48,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf94445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:48:48, skipping insertion in model container [2020-10-11 18:48:48,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:48:48" (3/3) ... [2020-10-11 18:48:48,840 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc.i [2020-10-11 18:48:48,852 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 18:48:48,860 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-11 18:48:48,861 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 18:48:48,891 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,891 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,892 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,892 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,894 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,895 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,895 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,896 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,897 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,900 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,900 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,901 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,901 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,901 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,902 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,902 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,907 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,907 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,907 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,908 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,913 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,914 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,916 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,916 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,919 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,919 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:48:48,935 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-11 18:48:48,958 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 18:48:48,958 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 18:48:48,958 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 18:48:48,958 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 18:48:48,958 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 18:48:48,958 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 18:48:48,959 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 18:48:48,959 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 18:48:48,973 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 97 places, 86 transitions, 192 flow [2020-10-11 18:48:49,023 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2020-10-11 18:48:49,023 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:48:49,028 INFO L80 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 66 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2020-10-11 18:48:49,029 INFO L82 GeneralOperation]: Start removeDead. Operand has 97 places, 86 transitions, 192 flow [2020-10-11 18:48:49,035 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 69 transitions, 150 flow [2020-10-11 18:48:49,059 INFO L129 PetriNetUnfolder]: 1/68 cut-off events. [2020-10-11 18:48:49,059 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:48:49,060 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:48:49,061 INFO L255 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] [2020-10-11 18:48:49,061 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:48:49,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:48:49,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1376710148, now seen corresponding path program 1 times [2020-10-11 18:48:49,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:48:49,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342394252] [2020-10-11 18:48:49,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:48:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:48:49,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:48:49,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342394252] [2020-10-11 18:48:49,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:48:49,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:48:49,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520279721] [2020-10-11 18:48:49,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:48:49,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:48:49,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:48:49,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:48:49,761 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 86 [2020-10-11 18:48:49,764 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 69 transitions, 150 flow. Second operand 6 states. [2020-10-11 18:48:49,764 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:48:49,764 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 86 [2020-10-11 18:48:49,766 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:48:49,973 INFO L129 PetriNetUnfolder]: 3/91 cut-off events. [2020-10-11 18:48:49,974 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:48:49,975 INFO L80 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 91 events. 3/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 138 event pairs, 0 based on Foata normal form. 4/94 useless extension candidates. Maximal degree in co-relation 95. Up to 7 conditions per place. [2020-10-11 18:48:49,976 INFO L132 encePairwiseOnDemand]: 79/86 looper letters, 6 selfloop transitions, 2 changer transitions 11/78 dead transitions. [2020-10-11 18:48:49,977 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 78 transitions, 204 flow [2020-10-11 18:48:49,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:48:49,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:48:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 706 transitions. [2020-10-11 18:48:49,997 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9121447028423773 [2020-10-11 18:48:49,998 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 706 transitions. [2020-10-11 18:48:49,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 706 transitions. [2020-10-11 18:48:50,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:48:50,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 706 transitions. [2020-10-11 18:48:50,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:48:50,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:48:50,022 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:48:50,025 INFO L185 Difference]: Start difference. First operand has 81 places, 69 transitions, 150 flow. Second operand 9 states and 706 transitions. [2020-10-11 18:48:50,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 78 transitions, 204 flow [2020-10-11 18:48:50,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 78 transitions, 200 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-11 18:48:50,036 INFO L241 Difference]: Finished difference. Result has 92 places, 67 transitions, 162 flow [2020-10-11 18:48:50,039 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=162, PETRI_PLACES=92, PETRI_TRANSITIONS=67} [2020-10-11 18:48:50,040 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 11 predicate places. [2020-10-11 18:48:50,041 INFO L481 AbstractCegarLoop]: Abstraction has has 92 places, 67 transitions, 162 flow [2020-10-11 18:48:50,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:48:50,041 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:48:50,041 INFO L255 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] [2020-10-11 18:48:50,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 18:48:50,042 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:48:50,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:48:50,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1950055099, now seen corresponding path program 1 times [2020-10-11 18:48:50,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:48:50,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636177809] [2020-10-11 18:48:50,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:48:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:48:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:48:50,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636177809] [2020-10-11 18:48:50,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:48:50,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:48:50,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337910972] [2020-10-11 18:48:50,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:48:50,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:48:50,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:48:50,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:48:50,432 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 86 [2020-10-11 18:48:50,432 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 67 transitions, 162 flow. Second operand 7 states. [2020-10-11 18:48:50,433 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:48:50,433 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 86 [2020-10-11 18:48:50,433 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:48:50,631 INFO L129 PetriNetUnfolder]: 4/88 cut-off events. [2020-10-11 18:48:50,631 INFO L130 PetriNetUnfolder]: For 17/24 co-relation queries the response was YES. [2020-10-11 18:48:50,632 INFO L80 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 88 events. 4/88 cut-off events. For 17/24 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 148 event pairs, 0 based on Foata normal form. 2/89 useless extension candidates. Maximal degree in co-relation 137. Up to 7 conditions per place. [2020-10-11 18:48:50,633 INFO L132 encePairwiseOnDemand]: 78/86 looper letters, 6 selfloop transitions, 4 changer transitions 12/79 dead transitions. [2020-10-11 18:48:50,633 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 79 transitions, 253 flow [2020-10-11 18:48:50,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 18:48:50,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 18:48:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 764 transitions. [2020-10-11 18:48:50,637 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8883720930232558 [2020-10-11 18:48:50,637 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 764 transitions. [2020-10-11 18:48:50,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 764 transitions. [2020-10-11 18:48:50,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:48:50,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 764 transitions. [2020-10-11 18:48:50,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 18:48:50,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 18:48:50,642 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 18:48:50,642 INFO L185 Difference]: Start difference. First operand has 92 places, 67 transitions, 162 flow. Second operand 10 states and 764 transitions. [2020-10-11 18:48:50,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 79 transitions, 253 flow [2020-10-11 18:48:50,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 79 transitions, 219 flow, removed 14 selfloop flow, removed 8 redundant places. [2020-10-11 18:48:50,647 INFO L241 Difference]: Finished difference. Result has 94 places, 67 transitions, 176 flow [2020-10-11 18:48:50,648 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=176, PETRI_PLACES=94, PETRI_TRANSITIONS=67} [2020-10-11 18:48:50,648 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 13 predicate places. [2020-10-11 18:48:50,648 INFO L481 AbstractCegarLoop]: Abstraction has has 94 places, 67 transitions, 176 flow [2020-10-11 18:48:50,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:48:50,649 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:48:50,649 INFO L255 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] [2020-10-11 18:48:50,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 18:48:50,649 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:48:50,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:48:50,650 INFO L82 PathProgramCache]: Analyzing trace with hash -410834748, now seen corresponding path program 1 times [2020-10-11 18:48:50,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:48:50,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017995506] [2020-10-11 18:48:50,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:48:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:48:50,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:48:50,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017995506] [2020-10-11 18:48:50,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:48:50,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:48:50,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277462400] [2020-10-11 18:48:50,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:48:50,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:48:50,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:48:50,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:48:50,970 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 86 [2020-10-11 18:48:50,971 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 67 transitions, 176 flow. Second operand 7 states. [2020-10-11 18:48:50,971 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:48:50,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 86 [2020-10-11 18:48:50,971 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:48:51,136 INFO L129 PetriNetUnfolder]: 4/93 cut-off events. [2020-10-11 18:48:51,137 INFO L130 PetriNetUnfolder]: For 37/47 co-relation queries the response was YES. [2020-10-11 18:48:51,138 INFO L80 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 93 events. 4/93 cut-off events. For 37/47 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 188 event pairs, 0 based on Foata normal form. 3/96 useless extension candidates. Maximal degree in co-relation 156. Up to 7 conditions per place. [2020-10-11 18:48:51,138 INFO L132 encePairwiseOnDemand]: 78/86 looper letters, 6 selfloop transitions, 4 changer transitions 12/79 dead transitions. [2020-10-11 18:48:51,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 79 transitions, 272 flow [2020-10-11 18:48:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 18:48:51,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 18:48:51,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 764 transitions. [2020-10-11 18:48:51,142 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8883720930232558 [2020-10-11 18:48:51,143 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 764 transitions. [2020-10-11 18:48:51,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 764 transitions. [2020-10-11 18:48:51,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:48:51,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 764 transitions. [2020-10-11 18:48:51,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 18:48:51,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 18:48:51,148 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 18:48:51,149 INFO L185 Difference]: Start difference. First operand has 94 places, 67 transitions, 176 flow. Second operand 10 states and 764 transitions. [2020-10-11 18:48:51,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 79 transitions, 272 flow [2020-10-11 18:48:51,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 79 transitions, 222 flow, removed 20 selfloop flow, removed 10 redundant places. [2020-10-11 18:48:51,154 INFO L241 Difference]: Finished difference. Result has 95 places, 67 transitions, 180 flow [2020-10-11 18:48:51,154 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=180, PETRI_PLACES=95, PETRI_TRANSITIONS=67} [2020-10-11 18:48:51,154 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 14 predicate places. [2020-10-11 18:48:51,154 INFO L481 AbstractCegarLoop]: Abstraction has has 95 places, 67 transitions, 180 flow [2020-10-11 18:48:51,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:48:51,155 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:48:51,155 INFO L255 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] [2020-10-11 18:48:51,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 18:48:51,156 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:48:51,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:48:51,156 INFO L82 PathProgramCache]: Analyzing trace with hash 15990473, now seen corresponding path program 1 times [2020-10-11 18:48:51,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:48:51,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879046556] [2020-10-11 18:48:51,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:48:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:48:51,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:48:51,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879046556] [2020-10-11 18:48:51,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:48:51,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:48:51,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885854001] [2020-10-11 18:48:51,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:48:51,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:48:51,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:48:51,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:48:51,581 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 86 [2020-10-11 18:48:51,581 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 67 transitions, 180 flow. Second operand 7 states. [2020-10-11 18:48:51,581 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:48:51,582 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 86 [2020-10-11 18:48:51,582 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:48:51,748 INFO L129 PetriNetUnfolder]: 4/98 cut-off events. [2020-10-11 18:48:51,749 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2020-10-11 18:48:51,750 INFO L80 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 98 events. 4/98 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 215 event pairs, 0 based on Foata normal form. 2/100 useless extension candidates. Maximal degree in co-relation 164. Up to 7 conditions per place. [2020-10-11 18:48:51,750 INFO L132 encePairwiseOnDemand]: 78/86 looper letters, 6 selfloop transitions, 4 changer transitions 12/79 dead transitions. [2020-10-11 18:48:51,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 79 transitions, 276 flow [2020-10-11 18:48:51,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 18:48:51,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 18:48:51,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 764 transitions. [2020-10-11 18:48:51,759 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8883720930232558 [2020-10-11 18:48:51,765 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 764 transitions. [2020-10-11 18:48:51,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 764 transitions. [2020-10-11 18:48:51,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:48:51,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 764 transitions. [2020-10-11 18:48:51,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 18:48:51,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 18:48:51,774 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 18:48:51,775 INFO L185 Difference]: Start difference. First operand has 95 places, 67 transitions, 180 flow. Second operand 10 states and 764 transitions. [2020-10-11 18:48:51,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 79 transitions, 276 flow [2020-10-11 18:48:51,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 79 transitions, 226 flow, removed 20 selfloop flow, removed 10 redundant places. [2020-10-11 18:48:51,785 INFO L241 Difference]: Finished difference. Result has 96 places, 67 transitions, 184 flow [2020-10-11 18:48:51,785 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=184, PETRI_PLACES=96, PETRI_TRANSITIONS=67} [2020-10-11 18:48:51,785 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 15 predicate places. [2020-10-11 18:48:51,786 INFO L481 AbstractCegarLoop]: Abstraction has has 96 places, 67 transitions, 184 flow [2020-10-11 18:48:51,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:48:51,786 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:48:51,786 INFO L255 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] [2020-10-11 18:48:51,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 18:48:51,787 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:48:51,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:48:51,787 INFO L82 PathProgramCache]: Analyzing trace with hash -553721438, now seen corresponding path program 1 times [2020-10-11 18:48:51,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:48:51,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4344815] [2020-10-11 18:48:51,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:48:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:48:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:48:51,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4344815] [2020-10-11 18:48:51,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:48:51,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:48:51,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552689737] [2020-10-11 18:48:51,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:48:51,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:48:51,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:48:51,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:48:52,183 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 86 [2020-10-11 18:48:52,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 67 transitions, 184 flow. Second operand 7 states. [2020-10-11 18:48:52,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:48:52,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 86 [2020-10-11 18:48:52,184 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:48:52,330 INFO L129 PetriNetUnfolder]: 4/82 cut-off events. [2020-10-11 18:48:52,331 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2020-10-11 18:48:52,331 INFO L80 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 82 events. 4/82 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 99 event pairs, 0 based on Foata normal form. 2/84 useless extension candidates. Maximal degree in co-relation 133. Up to 5 conditions per place. [2020-10-11 18:48:52,332 INFO L132 encePairwiseOnDemand]: 79/86 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2020-10-11 18:48:52,332 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 72 transitions, 236 flow [2020-10-11 18:48:52,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 18:48:52,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 18:48:52,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 758 transitions. [2020-10-11 18:48:52,336 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8813953488372093 [2020-10-11 18:48:52,336 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 758 transitions. [2020-10-11 18:48:52,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 758 transitions. [2020-10-11 18:48:52,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:48:52,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 758 transitions. [2020-10-11 18:48:52,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 18:48:52,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 18:48:52,342 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 18:48:52,342 INFO L185 Difference]: Start difference. First operand has 96 places, 67 transitions, 184 flow. Second operand 10 states and 758 transitions. [2020-10-11 18:48:52,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 72 transitions, 236 flow [2020-10-11 18:48:52,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 72 transitions, 202 flow, removed 12 selfloop flow, removed 8 redundant places. [2020-10-11 18:48:52,345 INFO L241 Difference]: Finished difference. Result has 89 places, 0 transitions, 0 flow [2020-10-11 18:48:52,346 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=89, PETRI_TRANSITIONS=0} [2020-10-11 18:48:52,346 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 8 predicate places. [2020-10-11 18:48:52,346 INFO L481 AbstractCegarLoop]: Abstraction has has 89 places, 0 transitions, 0 flow [2020-10-11 18:48:52,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:48:52,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 18:48:52,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 06:48:52 BasicIcfg [2020-10-11 18:48:52,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 18:48:52,357 INFO L168 Benchmark]: Toolchain (without parser) took 4769.46 ms. Allocated memory was 250.1 MB in the beginning and 371.7 MB in the end (delta: 121.6 MB). Free memory was 202.5 MB in the beginning and 178.4 MB in the end (delta: 24.1 MB). Peak memory consumption was 145.8 MB. Max. memory is 14.2 GB. [2020-10-11 18:48:52,358 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 250.1 MB. Free memory is still 224.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 18:48:52,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.99 ms. Allocated memory was 250.1 MB in the beginning and 312.0 MB in the end (delta: 61.9 MB). Free memory was 202.5 MB in the beginning and 267.1 MB in the end (delta: -64.6 MB). Peak memory consumption was 30.7 MB. Max. memory is 14.2 GB. [2020-10-11 18:48:52,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.86 ms. Allocated memory is still 312.0 MB. Free memory was 267.1 MB in the beginning and 264.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 18:48:52,363 INFO L168 Benchmark]: Boogie Preprocessor took 28.21 ms. Allocated memory is still 312.0 MB. Free memory was 264.6 MB in the beginning and 262.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 18:48:52,368 INFO L168 Benchmark]: RCFGBuilder took 471.94 ms. Allocated memory is still 312.0 MB. Free memory was 262.1 MB in the beginning and 237.7 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 14.2 GB. [2020-10-11 18:48:52,369 INFO L168 Benchmark]: TraceAbstraction took 3522.06 ms. Allocated memory was 312.0 MB in the beginning and 371.7 MB in the end (delta: 59.8 MB). Free memory was 237.7 MB in the beginning and 178.4 MB in the end (delta: 59.3 MB). Peak memory consumption was 119.1 MB. Max. memory is 14.2 GB. [2020-10-11 18:48:52,383 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 250.1 MB. Free memory is still 224.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 691.99 ms. Allocated memory was 250.1 MB in the beginning and 312.0 MB in the end (delta: 61.9 MB). Free memory was 202.5 MB in the beginning and 267.1 MB in the end (delta: -64.6 MB). Peak memory consumption was 30.7 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 49.86 ms. Allocated memory is still 312.0 MB. Free memory was 267.1 MB in the beginning and 264.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 28.21 ms. Allocated memory is still 312.0 MB. Free memory was 264.6 MB in the beginning and 262.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 471.94 ms. Allocated memory is still 312.0 MB. Free memory was 262.1 MB in the beginning and 237.7 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 3522.06 ms. Allocated memory was 312.0 MB in the beginning and 371.7 MB in the end (delta: 59.8 MB). Free memory was 237.7 MB in the beginning and 178.4 MB in the end (delta: 59.3 MB). Peak memory consumption was 119.1 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 121 SDtfs, 157 SDslu, 379 SDs, 0 SdLazy, 312 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=4, 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, 0.8s InterpolantComputationTime, 241 NumberOfCodeBlocks, 241 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 236 ConstructedInterpolants, 0 QuantifiedInterpolants, 34218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...