/usr/bin/java -Xmx8000000000 -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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:39:37,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:39:37,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:39:37,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:39:37,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:39:37,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:39:37,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:39:37,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:39:37,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:39:37,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:39:37,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:39:37,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:39:37,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:39:37,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:39:37,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:39:37,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:39:37,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:39:37,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:39:37,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:39:37,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:39:37,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:39:37,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:39:37,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:39:37,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:39:37,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 12:39:37,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:39:37,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:39:37,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:39:37,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:39:37,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:39:37,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:39:37,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:39:37,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:39:37,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:39:37,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:39:37,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:39:37,325 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 12:39:37,371 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:39:37,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:39:37,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:39:37,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:39:37,374 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:39:37,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:39:37,375 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:39:37,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:39:37,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:39:37,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:39:37,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:39:37,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:39:37,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:39:37,377 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:39:37,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:39:37,378 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:39:37,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:39:37,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:39:37,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:39:37,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:39:37,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:39:37,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:39:37,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:39:37,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:39:37,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:39:37,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:39:37,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:39:37,380 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 12:39:37,380 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:39:37,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:39:37,381 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 12:39:37,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:39:37,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:39:37,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:39:37,683 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:39:37,684 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:39:37,685 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2020-10-16 12:39:37,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2f0046e25/234197c03a9a4ca5a8053426bb693726/FLAGec2ccb819 [2020-10-16 12:39:38,304 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:39:38,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2020-10-16 12:39:38,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2f0046e25/234197c03a9a4ca5a8053426bb693726/FLAGec2ccb819 [2020-10-16 12:39:38,598 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2f0046e25/234197c03a9a4ca5a8053426bb693726 [2020-10-16 12:39:38,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:39:38,610 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:39:38,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:39:38,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:39:38,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:39:38,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:39:38" (1/1) ... [2020-10-16 12:39:38,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f2badc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:39:38, skipping insertion in model container [2020-10-16 12:39:38,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:39:38" (1/1) ... [2020-10-16 12:39:38,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:39:38,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:39:39,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:39:39,138 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:39:39,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:39:39,301 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:39:39,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:39:39 WrapperNode [2020-10-16 12:39:39,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:39:39,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:39:39,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:39:39,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:39:39,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:39:39" (1/1) ... [2020-10-16 12:39:39,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:39:39" (1/1) ... [2020-10-16 12:39:39,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:39:39,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:39:39,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:39:39,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:39:39,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:39:39" (1/1) ... [2020-10-16 12:39:39,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:39:39" (1/1) ... [2020-10-16 12:39:39,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:39:39" (1/1) ... [2020-10-16 12:39:39,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:39:39" (1/1) ... [2020-10-16 12:39:39,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:39:39" (1/1) ... [2020-10-16 12:39:39,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:39:39" (1/1) ... [2020-10-16 12:39:39,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:39:39" (1/1) ... [2020-10-16 12:39:39,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:39:39,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:39:39,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:39:39,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:39:39,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:39:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 12:39:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-16 12:39:39,455 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-16 12:39:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-16 12:39:39,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-16 12:39:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:39:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:39:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:39:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:39:39,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:39:39,459 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:39:39,931 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:39:39,931 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-16 12:39:39,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:39:39 BoogieIcfgContainer [2020-10-16 12:39:39,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:39:39,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:39:39,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:39:39,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:39:39,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:39:38" (1/3) ... [2020-10-16 12:39:39,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7841e5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:39:39, skipping insertion in model container [2020-10-16 12:39:39,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:39:39" (2/3) ... [2020-10-16 12:39:39,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7841e5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:39:39, skipping insertion in model container [2020-10-16 12:39:39,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:39:39" (3/3) ... [2020-10-16 12:39:39,947 INFO L111 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs.i [2020-10-16 12:39:39,963 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:39:39,963 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:39:39,972 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 12:39:39,974 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:39:40,016 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,017 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,018 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,018 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,020 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,020 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,022 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,022 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,024 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,024 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,025 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,025 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,025 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,026 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,027 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,027 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,028 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,030 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,030 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,039 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,039 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,040 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,041 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,041 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,042 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,049 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,049 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,049 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,050 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,050 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,051 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:40,056 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:39:40,073 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-16 12:39:40,097 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:39:40,097 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:39:40,097 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:39:40,097 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:39:40,097 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:39:40,097 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:39:40,098 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:39:40,098 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:39:40,109 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:39:40,110 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 50 transitions, 110 flow [2020-10-16 12:39:40,113 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 50 transitions, 110 flow [2020-10-16 12:39:40,115 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 50 places, 50 transitions, 110 flow [2020-10-16 12:39:40,153 INFO L129 PetriNetUnfolder]: 7/57 cut-off events. [2020-10-16 12:39:40,153 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:39:40,159 INFO L80 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 57 events. 7/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 114 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 47. Up to 4 conditions per place. [2020-10-16 12:39:40,162 INFO L117 LiptonReduction]: Number of co-enabled transitions 816 [2020-10-16 12:39:40,777 INFO L132 LiptonReduction]: Checked pairs total: 1474 [2020-10-16 12:39:40,778 INFO L134 LiptonReduction]: Total number of compositions: 33 [2020-10-16 12:39:40,786 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 21 transitions, 52 flow [2020-10-16 12:39:40,809 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 206 states. [2020-10-16 12:39:40,812 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-10-16 12:39:40,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 12:39:40,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:39:40,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 12:39:40,821 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 12:39:40,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:39:40,829 INFO L82 PathProgramCache]: Analyzing trace with hash 304347605, now seen corresponding path program 1 times [2020-10-16 12:39:40,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:39:40,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045188439] [2020-10-16 12:39:40,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:39:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:39:41,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:39:41,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045188439] [2020-10-16 12:39:41,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:39:41,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:39:41,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1478388363] [2020-10-16 12:39:41,067 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:39:41,070 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:39:41,084 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-16 12:39:41,084 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:39:41,088 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:39:41,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:39:41,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:39:41,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:39:41,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:39:41,109 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-10-16 12:39:41,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:39:41,144 INFO L93 Difference]: Finished difference Result 142 states and 378 transitions. [2020-10-16 12:39:41,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:39:41,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-16 12:39:41,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:39:41,159 INFO L225 Difference]: With dead ends: 142 [2020-10-16 12:39:41,160 INFO L226 Difference]: Without dead ends: 142 [2020-10-16 12:39:41,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:39:41,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-16 12:39:41,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2020-10-16 12:39:41,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-16 12:39:41,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 378 transitions. [2020-10-16 12:39:41,217 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 378 transitions. Word has length 5 [2020-10-16 12:39:41,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:39:41,218 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 378 transitions. [2020-10-16 12:39:41,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:39:41,218 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 378 transitions. [2020-10-16 12:39:41,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-16 12:39:41,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:39:41,219 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-16 12:39:41,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:39:41,220 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 12:39:41,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:39:41,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1283510738, now seen corresponding path program 1 times [2020-10-16 12:39:41,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:39:41,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421379346] [2020-10-16 12:39:41,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:39:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:39:41,266 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:39:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:39:41,282 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:39:41,305 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:39:41,306 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:39:41,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:39:41,309 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 12:39:41,309 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-16 12:39:41,327 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,327 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,328 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,328 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,329 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,330 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,330 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,330 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,330 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,330 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,331 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,331 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,331 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,331 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,338 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,338 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,338 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,338 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,338 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,339 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,341 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,342 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,342 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,342 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,342 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,342 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,354 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,354 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,354 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,357 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,357 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:41,359 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:39:41,359 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 12:39:41,360 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:39:41,360 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:39:41,360 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:39:41,360 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:39:41,360 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:39:41,360 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:39:41,360 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:39:41,361 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:39:41,363 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:39:41,363 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 76 transitions, 176 flow [2020-10-16 12:39:41,364 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 76 transitions, 176 flow [2020-10-16 12:39:41,364 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 75 places, 76 transitions, 176 flow [2020-10-16 12:39:41,382 INFO L129 PetriNetUnfolder]: 10/79 cut-off events. [2020-10-16 12:39:41,383 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 12:39:41,384 INFO L80 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 79 events. 10/79 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 184 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 88. Up to 6 conditions per place. [2020-10-16 12:39:41,387 INFO L117 LiptonReduction]: Number of co-enabled transitions 1680 [2020-10-16 12:39:42,100 INFO L132 LiptonReduction]: Checked pairs total: 4577 [2020-10-16 12:39:42,100 INFO L134 LiptonReduction]: Total number of compositions: 49 [2020-10-16 12:39:42,101 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 37 transitions, 98 flow [2020-10-16 12:39:42,214 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2138 states. [2020-10-16 12:39:42,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states. [2020-10-16 12:39:42,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 12:39:42,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:39:42,216 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 12:39:42,216 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:39:42,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:39:42,217 INFO L82 PathProgramCache]: Analyzing trace with hash 447912364, now seen corresponding path program 1 times [2020-10-16 12:39:42,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:39:42,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123522426] [2020-10-16 12:39:42,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:39:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:39:42,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:39:42,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123522426] [2020-10-16 12:39:42,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:39:42,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:39:42,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [884345187] [2020-10-16 12:39:42,291 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:39:42,291 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:39:42,292 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-16 12:39:42,292 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:39:42,293 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:39:42,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:39:42,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:39:42,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:39:42,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:39:42,294 INFO L87 Difference]: Start difference. First operand 2138 states. Second operand 3 states. [2020-10-16 12:39:42,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:39:42,345 INFO L93 Difference]: Finished difference Result 1368 states and 5000 transitions. [2020-10-16 12:39:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:39:42,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-16 12:39:42,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:39:42,366 INFO L225 Difference]: With dead ends: 1368 [2020-10-16 12:39:42,367 INFO L226 Difference]: Without dead ends: 1368 [2020-10-16 12:39:42,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:39:42,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2020-10-16 12:39:42,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1368. [2020-10-16 12:39:42,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2020-10-16 12:39:42,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 5000 transitions. [2020-10-16 12:39:42,506 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 5000 transitions. Word has length 5 [2020-10-16 12:39:42,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:39:42,507 INFO L481 AbstractCegarLoop]: Abstraction has 1368 states and 5000 transitions. [2020-10-16 12:39:42,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:39:42,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 5000 transitions. [2020-10-16 12:39:42,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:39:42,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:39:42,509 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2020-10-16 12:39:42,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:39:42,510 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:39:42,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:39:42,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1411337890, now seen corresponding path program 1 times [2020-10-16 12:39:42,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:39:42,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373357796] [2020-10-16 12:39:42,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:39:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:39:42,532 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:39:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:39:42,558 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:39:42,571 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:39:42,571 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:39:42,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:39:42,575 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 12:39:42,577 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-16 12:39:42,589 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,589 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,590 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,590 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,590 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,591 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,591 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,591 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,591 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,591 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,592 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,592 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,594 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,594 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,594 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,594 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,594 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,595 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,595 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,595 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,596 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,596 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,596 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,597 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,597 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,597 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,597 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,598 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,598 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,600 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,605 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,605 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,606 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,606 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,606 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,606 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,606 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,616 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:42,622 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:39:42,622 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 12:39:42,622 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:39:42,623 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:39:42,623 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:39:42,623 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:39:42,623 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:39:42,623 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:39:42,623 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:39:42,623 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:39:42,631 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:39:42,631 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 102 transitions, 246 flow [2020-10-16 12:39:42,631 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 102 transitions, 246 flow [2020-10-16 12:39:42,632 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 100 places, 102 transitions, 246 flow [2020-10-16 12:39:42,652 INFO L129 PetriNetUnfolder]: 13/101 cut-off events. [2020-10-16 12:39:42,653 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 12:39:42,655 INFO L80 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 101 events. 13/101 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 243 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 115. Up to 8 conditions per place. [2020-10-16 12:39:42,659 INFO L117 LiptonReduction]: Number of co-enabled transitions 2856 [2020-10-16 12:39:43,669 INFO L132 LiptonReduction]: Checked pairs total: 9998 [2020-10-16 12:39:43,670 INFO L134 LiptonReduction]: Total number of compositions: 67 [2020-10-16 12:39:43,670 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 60 places, 53 transitions, 148 flow [2020-10-16 12:39:45,313 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19966 states. [2020-10-16 12:39:45,314 INFO L276 IsEmpty]: Start isEmpty. Operand 19966 states. [2020-10-16 12:39:45,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 12:39:45,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:39:45,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 12:39:45,315 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:39:45,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:39:45,315 INFO L82 PathProgramCache]: Analyzing trace with hash 633416251, now seen corresponding path program 1 times [2020-10-16 12:39:45,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:39:45,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547461407] [2020-10-16 12:39:45,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:39:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:39:45,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:39:45,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547461407] [2020-10-16 12:39:45,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:39:45,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:39:45,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1486306338] [2020-10-16 12:39:45,431 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:39:45,432 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:39:45,432 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-16 12:39:45,432 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:39:45,433 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:39:45,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:39:45,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:39:45,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:39:45,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:39:45,434 INFO L87 Difference]: Start difference. First operand 19966 states. Second operand 3 states. [2020-10-16 12:39:45,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:39:45,626 INFO L93 Difference]: Finished difference Result 10458 states and 48570 transitions. [2020-10-16 12:39:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:39:45,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-16 12:39:45,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:39:45,752 INFO L225 Difference]: With dead ends: 10458 [2020-10-16 12:39:45,752 INFO L226 Difference]: Without dead ends: 10458 [2020-10-16 12:39:45,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:39:45,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10458 states. [2020-10-16 12:39:46,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10458 to 10458. [2020-10-16 12:39:46,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10458 states. [2020-10-16 12:39:46,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10458 states to 10458 states and 48570 transitions. [2020-10-16 12:39:46,459 INFO L78 Accepts]: Start accepts. Automaton has 10458 states and 48570 transitions. Word has length 5 [2020-10-16 12:39:46,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:39:46,459 INFO L481 AbstractCegarLoop]: Abstraction has 10458 states and 48570 transitions. [2020-10-16 12:39:46,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:39:46,459 INFO L276 IsEmpty]: Start isEmpty. Operand 10458 states and 48570 transitions. [2020-10-16 12:39:46,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:39:46,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:39:46,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:39:46,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:39:46,462 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:39:46,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:39:46,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1987381523, now seen corresponding path program 1 times [2020-10-16 12:39:46,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:39:46,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283838503] [2020-10-16 12:39:46,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:39:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:39:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:39:46,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283838503] [2020-10-16 12:39:46,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:39:46,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:39:46,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [105106754] [2020-10-16 12:39:46,499 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:39:46,500 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:39:46,503 INFO L258 McrAutomatonBuilder]: Finished intersection with 21 states and 28 transitions. [2020-10-16 12:39:46,503 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:39:46,518 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:39:46,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:39:46,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:39:46,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:39:46,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:39:46,520 INFO L87 Difference]: Start difference. First operand 10458 states and 48570 transitions. Second operand 3 states. [2020-10-16 12:39:46,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:39:46,567 INFO L93 Difference]: Finished difference Result 1336 states and 4381 transitions. [2020-10-16 12:39:46,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:39:46,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 12:39:46,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:39:46,574 INFO L225 Difference]: With dead ends: 1336 [2020-10-16 12:39:46,574 INFO L226 Difference]: Without dead ends: 1336 [2020-10-16 12:39:46,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:39:46,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2020-10-16 12:39:46,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1084. [2020-10-16 12:39:46,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1084 states. [2020-10-16 12:39:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 3583 transitions. [2020-10-16 12:39:46,612 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 3583 transitions. Word has length 12 [2020-10-16 12:39:46,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:39:46,613 INFO L481 AbstractCegarLoop]: Abstraction has 1084 states and 3583 transitions. [2020-10-16 12:39:46,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:39:46,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 3583 transitions. [2020-10-16 12:39:46,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:39:46,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:39:46,615 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:39:46,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:39:46,616 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:39:46,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:39:46,616 INFO L82 PathProgramCache]: Analyzing trace with hash 2096329641, now seen corresponding path program 1 times [2020-10-16 12:39:46,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:39:46,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721130423] [2020-10-16 12:39:46,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:39:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:39:46,632 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:39:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:39:46,642 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:39:46,648 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:39:46,649 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:39:46,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:39:46,649 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 12:39:46,650 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-16 12:39:46,662 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,662 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,662 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,662 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,663 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,663 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,663 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,663 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,663 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,664 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,664 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,664 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,664 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,664 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,665 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,665 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,665 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,665 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,666 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,666 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,666 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,666 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,667 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,667 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,667 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,667 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,667 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,668 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,668 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,668 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,668 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,668 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,668 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,668 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,669 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,669 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,669 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,669 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,669 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,669 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,670 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,670 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,670 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,670 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,670 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,671 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,671 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,671 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,671 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,671 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,672 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,672 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,673 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,673 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,673 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,673 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,673 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,673 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,674 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,674 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,674 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,674 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,674 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,675 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,675 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,676 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,676 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,676 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,683 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,683 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,684 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,686 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,686 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,686 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,686 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,691 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,691 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,692 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,693 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,693 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,693 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,693 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,694 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,694 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:39:46,696 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:39:46,696 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 12:39:46,697 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:39:46,697 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:39:46,697 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:39:46,697 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:39:46,697 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:39:46,697 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:39:46,697 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:39:46,697 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:39:46,699 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:39:46,700 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 128 transitions, 320 flow [2020-10-16 12:39:46,700 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 128 transitions, 320 flow [2020-10-16 12:39:46,700 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 125 places, 128 transitions, 320 flow [2020-10-16 12:39:46,719 INFO L129 PetriNetUnfolder]: 16/123 cut-off events. [2020-10-16 12:39:46,719 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 12:39:46,722 INFO L80 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 123 events. 16/123 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 321 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 143. Up to 10 conditions per place. [2020-10-16 12:39:46,728 INFO L117 LiptonReduction]: Number of co-enabled transitions 4344 [2020-10-16 12:39:47,874 INFO L132 LiptonReduction]: Checked pairs total: 12144 [2020-10-16 12:39:47,874 INFO L134 LiptonReduction]: Total number of compositions: 85 [2020-10-16 12:39:47,874 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 65 transitions, 194 flow [2020-10-16 12:40:42,060 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 136922 states. [2020-10-16 12:40:42,060 INFO L276 IsEmpty]: Start isEmpty. Operand 136922 states. [2020-10-16 12:40:42,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 12:40:42,060 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:40:42,061 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 12:40:42,061 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 12:40:42,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:40:42,061 INFO L82 PathProgramCache]: Analyzing trace with hash 860920878, now seen corresponding path program 1 times [2020-10-16 12:40:42,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:40:42,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737230775] [2020-10-16 12:40:42,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:40:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:40:42,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:40:42,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737230775] [2020-10-16 12:40:42,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:40:42,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:40:42,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1093259870] [2020-10-16 12:40:42,097 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:40:42,098 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:40:42,098 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-16 12:40:42,099 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:40:42,099 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:40:42,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:40:42,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:40:42,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:40:42,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:40:42,100 INFO L87 Difference]: Start difference. First operand 136922 states. Second operand 3 states. [2020-10-16 12:40:45,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:40:45,066 INFO L93 Difference]: Finished difference Result 59058 states and 333130 transitions. [2020-10-16 12:40:45,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:40:45,067 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-16 12:40:45,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:40:45,578 INFO L225 Difference]: With dead ends: 59058 [2020-10-16 12:40:45,578 INFO L226 Difference]: Without dead ends: 59058 [2020-10-16 12:40:45,579 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:40:47,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59058 states. [2020-10-16 12:40:49,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59058 to 59058. [2020-10-16 12:40:49,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59058 states. [2020-10-16 12:40:49,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59058 states to 59058 states and 333130 transitions. [2020-10-16 12:40:49,465 INFO L78 Accepts]: Start accepts. Automaton has 59058 states and 333130 transitions. Word has length 5 [2020-10-16 12:40:49,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:40:49,465 INFO L481 AbstractCegarLoop]: Abstraction has 59058 states and 333130 transitions. [2020-10-16 12:40:49,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:40:49,465 INFO L276 IsEmpty]: Start isEmpty. Operand 59058 states and 333130 transitions. [2020-10-16 12:40:49,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:40:49,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:40:49,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:40:49,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:40:49,467 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 12:40:49,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:40:49,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1923155817, now seen corresponding path program 1 times [2020-10-16 12:40:49,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:40:49,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436085294] [2020-10-16 12:40:49,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:40:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:40:49,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:40:49,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436085294] [2020-10-16 12:40:49,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:40:49,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:40:49,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1473608917] [2020-10-16 12:40:49,501 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:40:49,502 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:40:49,504 INFO L258 McrAutomatonBuilder]: Finished intersection with 21 states and 28 transitions. [2020-10-16 12:40:49,505 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:40:49,511 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:40:49,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:40:49,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:40:49,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:40:49,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:40:49,512 INFO L87 Difference]: Start difference. First operand 59058 states and 333130 transitions. Second operand 3 states. [2020-10-16 12:40:49,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:40:49,585 INFO L93 Difference]: Finished difference Result 3409 states and 12915 transitions. [2020-10-16 12:40:49,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:40:49,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 12:40:49,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:40:52,488 INFO L225 Difference]: With dead ends: 3409 [2020-10-16 12:40:52,488 INFO L226 Difference]: Without dead ends: 3409 [2020-10-16 12:40:52,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:40:52,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2020-10-16 12:40:52,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 2693. [2020-10-16 12:40:52,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2693 states. [2020-10-16 12:40:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2693 states and 10317 transitions. [2020-10-16 12:40:52,572 INFO L78 Accepts]: Start accepts. Automaton has 2693 states and 10317 transitions. Word has length 12 [2020-10-16 12:40:52,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:40:52,573 INFO L481 AbstractCegarLoop]: Abstraction has 2693 states and 10317 transitions. [2020-10-16 12:40:52,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:40:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 10317 transitions. [2020-10-16 12:40:52,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:40:52,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:40:52,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:40:52,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:40:52,575 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 12:40:52,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:40:52,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1475676922, now seen corresponding path program 1 times [2020-10-16 12:40:52,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:40:52,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448995677] [2020-10-16 12:40:52,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:40:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:40:52,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:40:52,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448995677] [2020-10-16 12:40:52,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:40:52,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:40:52,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1761873218] [2020-10-16 12:40:52,652 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:40:52,653 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:40:52,655 INFO L258 McrAutomatonBuilder]: Finished intersection with 26 states and 35 transitions. [2020-10-16 12:40:52,656 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:40:52,687 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:40:52,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:40:52,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:40:52,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:40:52,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:40:52,688 INFO L87 Difference]: Start difference. First operand 2693 states and 10317 transitions. Second operand 5 states. [2020-10-16 12:40:52,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:40:52,814 INFO L93 Difference]: Finished difference Result 5571 states and 21032 transitions. [2020-10-16 12:40:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:40:52,815 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-16 12:40:52,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:40:52,838 INFO L225 Difference]: With dead ends: 5571 [2020-10-16 12:40:52,838 INFO L226 Difference]: Without dead ends: 5571 [2020-10-16 12:40:52,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:40:52,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2020-10-16 12:40:52,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 4855. [2020-10-16 12:40:52,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4855 states. [2020-10-16 12:40:52,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 4855 states and 18434 transitions. [2020-10-16 12:40:52,979 INFO L78 Accepts]: Start accepts. Automaton has 4855 states and 18434 transitions. Word has length 15 [2020-10-16 12:40:52,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:40:52,979 INFO L481 AbstractCegarLoop]: Abstraction has 4855 states and 18434 transitions. [2020-10-16 12:40:52,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:40:52,980 INFO L276 IsEmpty]: Start isEmpty. Operand 4855 states and 18434 transitions. [2020-10-16 12:40:52,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 12:40:52,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:40:52,983 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:40:52,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:40:52,983 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 12:40:52,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:40:52,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1907424214, now seen corresponding path program 1 times [2020-10-16 12:40:52,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:40:52,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125135592] [2020-10-16 12:40:52,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:40:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:40:53,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:40:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:40:53,023 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:40:53,035 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:40:53,036 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:40:53,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:40:53,037 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 12:40:53,038 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-16 12:40:53,059 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,059 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,059 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,059 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,060 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,060 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,060 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,060 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,061 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,061 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,062 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,062 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,072 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,072 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,073 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,073 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,074 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,074 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,074 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,074 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,075 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,075 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,075 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,075 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,075 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,075 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,077 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,077 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,077 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,077 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,077 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,077 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,077 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,078 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,078 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,078 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,080 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,080 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,080 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,081 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,081 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,081 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,081 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,081 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,082 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,082 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,082 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,082 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,083 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,083 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,083 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,083 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,083 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,083 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,084 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,084 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,084 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,084 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,085 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,086 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,086 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,086 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,086 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,086 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,086 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,087 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,087 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,087 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,087 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,087 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,087 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,087 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,088 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,088 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,088 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,088 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,088 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,088 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,088 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,088 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,089 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,089 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,089 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,089 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,089 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,089 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,090 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,090 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,090 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,091 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,091 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,091 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,091 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,092 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,092 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,092 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,092 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,093 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,094 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,094 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,094 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,094 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,094 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,095 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,095 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,096 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,096 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,096 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,096 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,097 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,097 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,097 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,098 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,098 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,098 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,099 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,099 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,099 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,099 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,100 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,100 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,101 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,102 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,102 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,103 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,103 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,103 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,103 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,103 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,104 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,105 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,105 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,105 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,105 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,105 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,105 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,107 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,107 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,107 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,107 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,107 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,107 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,108 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,109 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,109 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:40:53,111 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:40:53,111 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-16 12:40:53,112 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:40:53,112 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:40:53,112 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:40:53,112 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:40:53,112 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:40:53,112 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:40:53,112 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:40:53,112 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:40:53,114 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:40:53,114 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 154 transitions, 398 flow [2020-10-16 12:40:53,114 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 154 transitions, 398 flow [2020-10-16 12:40:53,115 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 150 places, 154 transitions, 398 flow [2020-10-16 12:40:53,145 INFO L129 PetriNetUnfolder]: 19/145 cut-off events. [2020-10-16 12:40:53,145 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 12:40:53,148 INFO L80 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 145 events. 19/145 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 386 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 172. Up to 12 conditions per place. [2020-10-16 12:40:53,156 INFO L117 LiptonReduction]: Number of co-enabled transitions 6144 [2020-10-16 12:40:54,381 INFO L132 LiptonReduction]: Checked pairs total: 18139 [2020-10-16 12:40:54,381 INFO L134 LiptonReduction]: Total number of compositions: 104 [2020-10-16 12:40:54,382 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 79 transitions, 248 flow Received shutdown request... [2020-10-16 12:44:01,140 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 12:44:01,146 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 12:44:01,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:44:01 BasicIcfg [2020-10-16 12:44:01,147 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:44:01,163 INFO L168 Benchmark]: Toolchain (without parser) took 262539.54 ms. Allocated memory was 140.5 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 100.9 MB in the beginning and 707.8 MB in the end (delta: -606.9 MB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2020-10-16 12:44:01,163 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:44:01,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.43 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 100.7 MB in the beginning and 165.2 MB in the end (delta: -64.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:44:01,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.07 ms. Allocated memory is still 205.0 MB. Free memory was 164.6 MB in the beginning and 162.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-16 12:44:01,167 INFO L168 Benchmark]: Boogie Preprocessor took 30.13 ms. Allocated memory is still 205.0 MB. Free memory was 162.6 MB in the beginning and 161.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:44:01,170 INFO L168 Benchmark]: RCFGBuilder took 554.53 ms. Allocated memory is still 205.0 MB. Free memory was 161.3 MB in the beginning and 128.2 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:44:01,171 INFO L168 Benchmark]: TraceAbstraction took 261211.86 ms. Allocated memory was 205.0 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 127.5 MB in the beginning and 707.8 MB in the end (delta: -580.2 MB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2020-10-16 12:44:01,179 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.43 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 100.7 MB in the beginning and 165.2 MB in the end (delta: -64.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.07 ms. Allocated memory is still 205.0 MB. Free memory was 164.6 MB in the beginning and 162.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.13 ms. Allocated memory is still 205.0 MB. Free memory was 162.6 MB in the beginning and 161.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 554.53 ms. Allocated memory is still 205.0 MB. Free memory was 161.3 MB in the beginning and 128.2 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 261211.86 ms. Allocated memory was 205.0 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 127.5 MB in the beginning and 707.8 MB in the end (delta: -580.2 MB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 359 VarBasedMoverChecksPositive, 11 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 38 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.6s, 50 PlacesBefore, 25 PlacesAfterwards, 50 TransitionsBefore, 21 TransitionsAfterwards, 816 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 4 ChoiceCompositions, 33 TotalNumberOfCompositions, 1474 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 732 VarBasedMoverChecksPositive, 23 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 124 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.7s, 75 PlacesBefore, 43 PlacesAfterwards, 76 TransitionsBefore, 37 TransitionsAfterwards, 1680 CoEnabledTransitionPairs, 5 FixpointIterations, 19 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 8 ConcurrentYvCompositions, 7 ChoiceCompositions, 49 TotalNumberOfCompositions, 4577 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1073 VarBasedMoverChecksPositive, 23 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 160 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 100 PlacesBefore, 60 PlacesAfterwards, 102 TransitionsBefore, 53 TransitionsAfterwards, 2856 CoEnabledTransitionPairs, 5 FixpointIterations, 28 TrivialSequentialCompositions, 13 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 11 ConcurrentYvCompositions, 9 ChoiceCompositions, 67 TotalNumberOfCompositions, 9998 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1803 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 327 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.1s, 125 PlacesBefore, 75 PlacesAfterwards, 128 TransitionsBefore, 65 TransitionsAfterwards, 4344 CoEnabledTransitionPairs, 4 FixpointIterations, 34 TrivialSequentialCompositions, 16 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 12 ConcurrentYvCompositions, 13 ChoiceCompositions, 85 TotalNumberOfCompositions, 12144 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2321 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 363 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 150 PlacesBefore, 91 PlacesAfterwards, 154 TransitionsBefore, 79 TransitionsAfterwards, 6144 CoEnabledTransitionPairs, 4 FixpointIterations, 44 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 14 ConcurrentYvCompositions, 16 ChoiceCompositions, 104 TotalNumberOfCompositions, 18139 MoverChecksTotal - TimeoutResultAtElement [Line: 709]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 709). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 91 places, 79 transitions, 248 flow. Already constructed 333556 states. Currently 72222 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 44 locations, 1 error locations. Started 5 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 260.8s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 247.6s, HoareTripleCheckerStatistics: 224 SDtfs, 240 SDslu, 161 SDs, 0 SdLazy, 144 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136922occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 1684 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 1792 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 could not prove your program: Timeout Completed graceful shutdown