/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-wmm/rfi001_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 00:50:54,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 00:50:54,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 00:50:54,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 00:50:54,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 00:50:54,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 00:50:54,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 00:50:54,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 00:50:54,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 00:50:54,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 00:50:54,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 00:50:54,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 00:50:54,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 00:50:54,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 00:50:54,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 00:50:54,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 00:50:54,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 00:50:54,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 00:50:54,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 00:50:54,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 00:50:54,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 00:50:54,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 00:50:54,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 00:50:54,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 00:50:54,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 00:50:54,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 00:50:54,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 00:50:54,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 00:50:54,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 00:50:54,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 00:50:54,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 00:50:54,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 00:50:54,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 00:50:54,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 00:50:54,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 00:50:54,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 00:50:54,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-06 00:50:54,296 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 00:50:54,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 00:50:54,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 00:50:54,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 00:50:54,299 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 00:50:54,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 00:50:54,300 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 00:50:54,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 00:50:54,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 00:50:54,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 00:50:54,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 00:50:54,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 00:50:54,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 00:50:54,302 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 00:50:54,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 00:50:54,302 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 00:50:54,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 00:50:54,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 00:50:54,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 00:50:54,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 00:50:54,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 00:50:54,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:50:54,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 00:50:54,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 00:50:54,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 00:50:54,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 00:50:54,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 00:50:54,305 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 00:50:54,305 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 00:50:54,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 00:50:54,305 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 00:50:54,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 00:50:54,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 00:50:54,584 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 00:50:54,586 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 00:50:54,587 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 00:50:54,587 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi001_power.opt.i [2020-10-06 00:50:54,648 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3070d6933/b72ecdce477448ccb4ef84828b040aa5/FLAG850bbd9bd [2020-10-06 00:50:55,236 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 00:50:55,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi001_power.opt.i [2020-10-06 00:50:55,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3070d6933/b72ecdce477448ccb4ef84828b040aa5/FLAG850bbd9bd [2020-10-06 00:50:55,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3070d6933/b72ecdce477448ccb4ef84828b040aa5 [2020-10-06 00:50:55,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 00:50:55,544 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 00:50:55,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 00:50:55,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 00:50:55,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 00:50:55,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:50:55" (1/1) ... [2020-10-06 00:50:55,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694b80f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:50:55, skipping insertion in model container [2020-10-06 00:50:55,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:50:55" (1/1) ... [2020-10-06 00:50:55,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 00:50:55,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 00:50:56,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:50:56,126 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 00:50:56,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:50:56,324 INFO L208 MainTranslator]: Completed translation [2020-10-06 00:50:56,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:50:56 WrapperNode [2020-10-06 00:50:56,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 00:50:56,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 00:50:56,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 00:50:56,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 00:50:56,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:50:56" (1/1) ... [2020-10-06 00:50:56,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:50:56" (1/1) ... [2020-10-06 00:50:56,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 00:50:56,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 00:50:56,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 00:50:56,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 00:50:56,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:50:56" (1/1) ... [2020-10-06 00:50:56,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:50:56" (1/1) ... [2020-10-06 00:50:56,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:50:56" (1/1) ... [2020-10-06 00:50:56,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:50:56" (1/1) ... [2020-10-06 00:50:56,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:50:56" (1/1) ... [2020-10-06 00:50:56,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:50:56" (1/1) ... [2020-10-06 00:50:56,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:50:56" (1/1) ... [2020-10-06 00:50:56,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 00:50:56,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 00:50:56,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 00:50:56,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 00:50:56,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:50:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:50:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 00:50:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 00:50:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 00:50:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 00:50:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 00:50:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 00:50:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 00:50:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 00:50:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 00:50:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 00:50:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 00:50:56,524 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 00:50:58,465 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 00:50:58,466 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-06 00:50:58,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:50:58 BoogieIcfgContainer [2020-10-06 00:50:58,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 00:50:58,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 00:50:58,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 00:50:58,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 00:50:58,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 12:50:55" (1/3) ... [2020-10-06 00:50:58,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4978ca9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:50:58, skipping insertion in model container [2020-10-06 00:50:58,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:50:56" (2/3) ... [2020-10-06 00:50:58,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4978ca9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:50:58, skipping insertion in model container [2020-10-06 00:50:58,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:50:58" (3/3) ... [2020-10-06 00:50:58,478 INFO L109 eAbstractionObserver]: Analyzing ICFG rfi001_power.opt.i [2020-10-06 00:50:58,489 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 00:50:58,490 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 00:50:58,498 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-06 00:50:58,499 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 00:50:58,526 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,526 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,526 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,527 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,527 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,527 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,527 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,530 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,531 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,531 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,531 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,531 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,531 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,532 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,532 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,532 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,532 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,534 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,534 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,540 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,540 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,544 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,544 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,544 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:50:58,561 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-06 00:50:58,583 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:50:58,583 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:50:58,583 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:50:58,583 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:50:58,583 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:50:58,584 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:50:58,584 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:50:58,584 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:50:58,600 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 79 transitions, 168 flow [2020-10-06 00:50:58,602 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 79 transitions, 168 flow [2020-10-06 00:50:58,647 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-06 00:50:58,647 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:50:58,652 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2020-10-06 00:50:58,655 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 79 transitions, 168 flow [2020-10-06 00:50:58,677 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-06 00:50:58,677 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:50:58,678 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2020-10-06 00:50:58,680 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1012 [2020-10-06 00:50:58,681 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:51:00,142 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2020-10-06 00:51:00,187 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 2, 2, 1] term [2020-10-06 00:51:00,188 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-06 00:51:00,190 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 1] term [2020-10-06 00:51:00,191 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-06 00:51:00,991 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 122 [2020-10-06 00:51:02,062 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2020-10-06 00:51:02,189 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-06 00:51:02,954 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2020-10-06 00:51:03,375 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-06 00:51:04,106 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 118 [2020-10-06 00:51:04,434 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-06 00:51:04,935 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-06 00:51:05,239 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-06 00:51:05,480 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-06 00:51:05,618 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-06 00:51:05,625 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2573 [2020-10-06 00:51:05,625 INFO L214 etLargeBlockEncoding]: Total number of compositions: 69 [2020-10-06 00:51:05,629 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 20 transitions, 50 flow [2020-10-06 00:51:05,646 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 187 states. [2020-10-06 00:51:05,648 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2020-10-06 00:51:05,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 00:51:05,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:05,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 00:51:05,656 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:05,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:05,662 INFO L82 PathProgramCache]: Analyzing trace with hash 876717738, now seen corresponding path program 1 times [2020-10-06 00:51:05,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:05,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111423123] [2020-10-06 00:51:05,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:05,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111423123] [2020-10-06 00:51:05,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:05,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:51:05,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [509128533] [2020-10-06 00:51:05,927 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:05,931 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:05,945 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 00:51:05,945 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:05,953 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:51:05,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:51:05,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:05,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:51:05,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:51:05,969 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 3 states. [2020-10-06 00:51:06,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:06,039 INFO L93 Difference]: Finished difference Result 162 states and 385 transitions. [2020-10-06 00:51:06,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:51:06,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-06 00:51:06,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:06,053 INFO L225 Difference]: With dead ends: 162 [2020-10-06 00:51:06,054 INFO L226 Difference]: Without dead ends: 132 [2020-10-06 00:51:06,055 INFO L675 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 [2020-10-06 00:51:06,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-06 00:51:06,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-10-06 00:51:06,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-06 00:51:06,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 306 transitions. [2020-10-06 00:51:06,110 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 306 transitions. Word has length 5 [2020-10-06 00:51:06,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:06,110 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 306 transitions. [2020-10-06 00:51:06,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:51:06,111 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 306 transitions. [2020-10-06 00:51:06,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-06 00:51:06,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:06,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:51:06,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 00:51:06,112 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:06,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:06,113 INFO L82 PathProgramCache]: Analyzing trace with hash 712187279, now seen corresponding path program 1 times [2020-10-06 00:51:06,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:06,117 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976896369] [2020-10-06 00:51:06,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:06,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:06,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976896369] [2020-10-06 00:51:06,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:06,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:51:06,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1468524411] [2020-10-06 00:51:06,238 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:06,239 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:06,241 INFO L258 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-06 00:51:06,241 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:06,241 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:51:06,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:51:06,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:06,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:51:06,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:51:06,244 INFO L87 Difference]: Start difference. First operand 132 states and 306 transitions. Second operand 3 states. [2020-10-06 00:51:06,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:06,272 INFO L93 Difference]: Finished difference Result 127 states and 292 transitions. [2020-10-06 00:51:06,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:51:06,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-06 00:51:06,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:06,276 INFO L225 Difference]: With dead ends: 127 [2020-10-06 00:51:06,276 INFO L226 Difference]: Without dead ends: 127 [2020-10-06 00:51:06,277 INFO L675 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 [2020-10-06 00:51:06,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-06 00:51:06,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2020-10-06 00:51:06,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-10-06 00:51:06,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 292 transitions. [2020-10-06 00:51:06,292 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 292 transitions. Word has length 7 [2020-10-06 00:51:06,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:06,292 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 292 transitions. [2020-10-06 00:51:06,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:51:06,292 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 292 transitions. [2020-10-06 00:51:06,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-06 00:51:06,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:06,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:51:06,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 00:51:06,294 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:06,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:06,294 INFO L82 PathProgramCache]: Analyzing trace with hash 602881578, now seen corresponding path program 1 times [2020-10-06 00:51:06,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:06,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173829178] [2020-10-06 00:51:06,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:06,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:06,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173829178] [2020-10-06 00:51:06,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:06,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:51:06,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2115767862] [2020-10-06 00:51:06,366 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:06,367 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:06,368 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 10 transitions. [2020-10-06 00:51:06,368 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:06,390 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:51:06,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:51:06,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:06,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:51:06,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:51:06,392 INFO L87 Difference]: Start difference. First operand 127 states and 292 transitions. Second operand 3 states. [2020-10-06 00:51:06,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:06,400 INFO L93 Difference]: Finished difference Result 122 states and 278 transitions. [2020-10-06 00:51:06,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:51:06,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-06 00:51:06,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:06,403 INFO L225 Difference]: With dead ends: 122 [2020-10-06 00:51:06,403 INFO L226 Difference]: Without dead ends: 122 [2020-10-06 00:51:06,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:51:06,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-06 00:51:06,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-10-06 00:51:06,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-06 00:51:06,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 278 transitions. [2020-10-06 00:51:06,416 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 278 transitions. Word has length 8 [2020-10-06 00:51:06,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:06,417 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 278 transitions. [2020-10-06 00:51:06,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:51:06,417 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 278 transitions. [2020-10-06 00:51:06,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-06 00:51:06,418 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:06,418 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:51:06,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 00:51:06,419 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:06,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:06,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1509459439, now seen corresponding path program 1 times [2020-10-06 00:51:06,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:06,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686713664] [2020-10-06 00:51:06,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:06,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:06,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686713664] [2020-10-06 00:51:06,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:06,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:51:06,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [78825890] [2020-10-06 00:51:06,610 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:06,611 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:06,613 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 15 transitions. [2020-10-06 00:51:06,614 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:06,625 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 4, 3, 2, 1] term [2020-10-06 00:51:06,626 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:06,627 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:06,635 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:06,637 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:06,642 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:06,648 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:06,650 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:06,660 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-10-06 00:51:06,662 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:06,664 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:06,667 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:06,718 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1648#(or (not (= (mod ~y$w_buff0_used~0 256) 0)) (and (<= ~y~0 0) (= ~y$w_buff0_used~0 0) (<= ~y$r_buff0_thd0~0 0) (<= 0 ~y$r_buff0_thd0~0)))] [2020-10-06 00:51:06,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-06 00:51:06,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:06,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-06 00:51:06,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:51:06,720 INFO L87 Difference]: Start difference. First operand 122 states and 278 transitions. Second operand 6 states. [2020-10-06 00:51:06,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:06,897 INFO L93 Difference]: Finished difference Result 145 states and 335 transitions. [2020-10-06 00:51:06,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:51:06,898 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2020-10-06 00:51:06,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:06,901 INFO L225 Difference]: With dead ends: 145 [2020-10-06 00:51:06,901 INFO L226 Difference]: Without dead ends: 145 [2020-10-06 00:51:06,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-06 00:51:06,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-06 00:51:06,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 118. [2020-10-06 00:51:06,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-10-06 00:51:06,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 266 transitions. [2020-10-06 00:51:06,912 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 266 transitions. Word has length 9 [2020-10-06 00:51:06,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:06,912 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 266 transitions. [2020-10-06 00:51:06,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-06 00:51:06,913 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 266 transitions. [2020-10-06 00:51:06,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-06 00:51:06,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:06,914 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:51:06,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 00:51:06,914 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:06,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:06,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1108467314, now seen corresponding path program 1 times [2020-10-06 00:51:06,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:06,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706503127] [2020-10-06 00:51:06,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:07,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706503127] [2020-10-06 00:51:07,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:07,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:51:07,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2111706141] [2020-10-06 00:51:07,018 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:07,020 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:07,023 INFO L258 McrAutomatonBuilder]: Finished intersection with 17 states and 21 transitions. [2020-10-06 00:51:07,023 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:07,046 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:07,065 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:07,077 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [2038#(= (mod ~main$tmp_guard0~0 256) 0)] [2020-10-06 00:51:07,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:51:07,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:07,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:51:07,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:51:07,079 INFO L87 Difference]: Start difference. First operand 118 states and 266 transitions. Second operand 5 states. [2020-10-06 00:51:07,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:07,107 INFO L93 Difference]: Finished difference Result 82 states and 157 transitions. [2020-10-06 00:51:07,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:51:07,108 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-06 00:51:07,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:07,108 INFO L225 Difference]: With dead ends: 82 [2020-10-06 00:51:07,108 INFO L226 Difference]: Without dead ends: 0 [2020-10-06 00:51:07,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:51:07,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-06 00:51:07,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-06 00:51:07,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-06 00:51:07,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-06 00:51:07,110 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-10-06 00:51:07,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:07,110 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-06 00:51:07,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:51:07,110 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-06 00:51:07,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-06 00:51:07,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 00:51:07,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 12:51:07 BasicIcfg [2020-10-06 00:51:07,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 00:51:07,117 INFO L168 Benchmark]: Toolchain (without parser) took 11572.91 ms. Allocated memory was 140.0 MB in the beginning and 322.4 MB in the end (delta: 182.5 MB). Free memory was 101.4 MB in the beginning and 156.8 MB in the end (delta: -55.4 MB). Peak memory consumption was 127.1 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:07,118 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-06 00:51:07,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.93 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 101.2 MB in the beginning and 158.2 MB in the end (delta: -57.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:07,120 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.68 ms. Allocated memory is still 203.9 MB. Free memory was 158.2 MB in the beginning and 154.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:07,120 INFO L168 Benchmark]: Boogie Preprocessor took 49.94 ms. Allocated memory is still 203.9 MB. Free memory was 154.9 MB in the beginning and 152.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:07,121 INFO L168 Benchmark]: RCFGBuilder took 2026.71 ms. Allocated memory was 203.9 MB in the beginning and 248.5 MB in the end (delta: 44.6 MB). Free memory was 152.9 MB in the beginning and 199.8 MB in the end (delta: -46.9 MB). Peak memory consumption was 104.6 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:07,122 INFO L168 Benchmark]: TraceAbstraction took 8644.71 ms. Allocated memory was 248.5 MB in the beginning and 322.4 MB in the end (delta: 73.9 MB). Free memory was 199.8 MB in the beginning and 156.8 MB in the end (delta: 43.0 MB). Peak memory consumption was 117.0 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:07,126 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 780.93 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 101.2 MB in the beginning and 158.2 MB in the end (delta: -57.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.68 ms. Allocated memory is still 203.9 MB. Free memory was 158.2 MB in the beginning and 154.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.94 ms. Allocated memory is still 203.9 MB. Free memory was 154.9 MB in the beginning and 152.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2026.71 ms. Allocated memory was 203.9 MB in the beginning and 248.5 MB in the end (delta: 44.6 MB). Free memory was 152.9 MB in the beginning and 199.8 MB in the end (delta: -46.9 MB). Peak memory consumption was 104.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8644.71 ms. Allocated memory was 248.5 MB in the beginning and 322.4 MB in the end (delta: 73.9 MB). Free memory was 199.8 MB in the beginning and 156.8 MB in the end (delta: 43.0 MB). Peak memory consumption was 117.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 7.0s, 84 ProgramPointsBefore, 27 ProgramPointsAfterwards, 79 TransitionsBefore, 20 TransitionsAfterwards, 1012 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 532 VarBasedMoverChecksPositive, 27 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2573 CheckedPairsTotal, 69 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.0s, HoareTripleCheckerStatistics: 66 SDtfs, 68 SDslu, 77 SDs, 0 SdLazy, 62 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 1671 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...