/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/safe006_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 01:01:03,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 01:01:03,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 01:01:03,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 01:01:03,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 01:01:03,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 01:01:03,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 01:01:03,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 01:01:03,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 01:01:03,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 01:01:03,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 01:01:03,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 01:01:03,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 01:01:03,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 01:01:03,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 01:01:03,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 01:01:03,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 01:01:03,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 01:01:03,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 01:01:03,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 01:01:03,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 01:01:03,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 01:01:03,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 01:01:03,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 01:01:03,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 01:01:03,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 01:01:03,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 01:01:03,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 01:01:03,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 01:01:03,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 01:01:03,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 01:01:03,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 01:01:03,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 01:01:03,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 01:01:03,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 01:01:03,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 01:01:03,672 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 01:01:03,694 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 01:01:03,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 01:01:03,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 01:01:03,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 01:01:03,698 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 01:01:03,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 01:01:03,699 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 01:01:03,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 01:01:03,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 01:01:03,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 01:01:03,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 01:01:03,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 01:01:03,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 01:01:03,700 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 01:01:03,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 01:01:03,701 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 01:01:03,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 01:01:03,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 01:01:03,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 01:01:03,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 01:01:03,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 01:01:03,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 01:01:03,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 01:01:03,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 01:01:03,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 01:01:03,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 01:01:03,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 01:01:03,707 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 01:01:03,707 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 01:01:03,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 01:01:03,707 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 01:01:04,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 01:01:04,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 01:01:04,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 01:01:04,031 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 01:01:04,031 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 01:01:04,033 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.opt.i [2020-10-06 01:01:04,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4807898/7d0eccc8a31c47e4b76fd6369cf7e567/FLAG984e994fa [2020-10-06 01:01:04,572 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 01:01:04,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_tso.opt.i [2020-10-06 01:01:04,588 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4807898/7d0eccc8a31c47e4b76fd6369cf7e567/FLAG984e994fa [2020-10-06 01:01:04,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4807898/7d0eccc8a31c47e4b76fd6369cf7e567 [2020-10-06 01:01:04,885 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 01:01:04,886 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 01:01:04,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 01:01:04,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 01:01:04,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 01:01:04,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 01:01:04" (1/1) ... [2020-10-06 01:01:04,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e308b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:01:04, skipping insertion in model container [2020-10-06 01:01:04,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 01:01:04" (1/1) ... [2020-10-06 01:01:04,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 01:01:04,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 01:01:05,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 01:01:05,319 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 01:01:05,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 01:01:05,537 INFO L208 MainTranslator]: Completed translation [2020-10-06 01:01:05,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:01:05 WrapperNode [2020-10-06 01:01:05,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 01:01:05,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 01:01:05,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 01:01:05,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 01:01:05,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:01:05" (1/1) ... [2020-10-06 01:01:05,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:01:05" (1/1) ... [2020-10-06 01:01:05,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 01:01:05,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 01:01:05,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 01:01:05,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 01:01:05,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:01:05" (1/1) ... [2020-10-06 01:01:05,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:01:05" (1/1) ... [2020-10-06 01:01:05,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:01:05" (1/1) ... [2020-10-06 01:01:05,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:01:05" (1/1) ... [2020-10-06 01:01:05,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:01:05" (1/1) ... [2020-10-06 01:01:05,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:01:05" (1/1) ... [2020-10-06 01:01:05,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:01:05" (1/1) ... [2020-10-06 01:01:05,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 01:01:05,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 01:01:05,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 01:01:05,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 01:01:05,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:01:05" (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 01:01:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 01:01:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 01:01:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 01:01:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 01:01:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 01:01:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 01:01:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 01:01:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 01:01:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 01:01:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 01:01:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 01:01:05,683 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 01:01:06,000 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 01:01:06,000 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-06 01:01:06,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:01:06 BoogieIcfgContainer [2020-10-06 01:01:06,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 01:01:06,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 01:01:06,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 01:01:06,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 01:01:06,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 01:01:04" (1/3) ... [2020-10-06 01:01:06,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1dc26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:01:06, skipping insertion in model container [2020-10-06 01:01:06,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:01:05" (2/3) ... [2020-10-06 01:01:06,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1dc26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:01:06, skipping insertion in model container [2020-10-06 01:01:06,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:01:06" (3/3) ... [2020-10-06 01:01:06,013 INFO L109 eAbstractionObserver]: Analyzing ICFG safe006_tso.opt.i [2020-10-06 01:01:06,024 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 01:01:06,024 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 01:01:06,031 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 01:01:06,032 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 01:01:06,062 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,062 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,063 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,063 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,064 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,064 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,065 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,066 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,071 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,072 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,077 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,078 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:01:06,094 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-06 01:01:06,113 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:01:06,113 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:01:06,113 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:01:06,114 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:01:06,114 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:01:06,114 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:01:06,114 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:01:06,114 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:01:06,129 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 56 transitions, 122 flow [2020-10-06 01:01:06,130 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 122 flow [2020-10-06 01:01:06,173 INFO L129 PetriNetUnfolder]: 2/54 cut-off events. [2020-10-06 01:01:06,174 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 01:01:06,178 INFO L80 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 54 events. 2/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2020-10-06 01:01:06,181 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 122 flow [2020-10-06 01:01:06,203 INFO L129 PetriNetUnfolder]: 2/54 cut-off events. [2020-10-06 01:01:06,203 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 01:01:06,204 INFO L80 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 54 events. 2/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2020-10-06 01:01:06,206 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 672 [2020-10-06 01:01:06,207 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:01:07,369 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1165 [2020-10-06 01:01:07,369 INFO L214 etLargeBlockEncoding]: Total number of compositions: 48 [2020-10-06 01:01:07,373 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 15 transitions, 40 flow [2020-10-06 01:01:07,388 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 74 states. [2020-10-06 01:01:07,390 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-10-06 01:01:07,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-06 01:01:07,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:01:07,398 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-06 01:01:07,398 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:01:07,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:01:07,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1988358065, now seen corresponding path program 1 times [2020-10-06 01:01:07,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:01:07,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178988475] [2020-10-06 01:01:07,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:01:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:01:07,661 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 01:01:07,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178988475] [2020-10-06 01:01:07,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:01:07,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:01:07,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2046806374] [2020-10-06 01:01:07,665 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:01:07,668 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:01:07,682 INFO L258 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-06 01:01:07,682 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:01:07,686 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:01:07,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:01:07,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:01:07,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:01:07,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:01:07,706 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-10-06 01:01:07,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:01:07,727 INFO L93 Difference]: Finished difference Result 70 states and 149 transitions. [2020-10-06 01:01:07,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:01:07,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-06 01:01:07,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:01:07,740 INFO L225 Difference]: With dead ends: 70 [2020-10-06 01:01:07,740 INFO L226 Difference]: Without dead ends: 54 [2020-10-06 01:01:07,741 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 01:01:07,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-06 01:01:07,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-06 01:01:07,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-06 01:01:07,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 109 transitions. [2020-10-06 01:01:07,784 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 109 transitions. Word has length 6 [2020-10-06 01:01:07,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:01:07,784 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 109 transitions. [2020-10-06 01:01:07,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:01:07,785 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 109 transitions. [2020-10-06 01:01:07,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-06 01:01:07,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:01:07,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:01:07,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 01:01:07,786 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:01:07,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:01:07,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1509556844, now seen corresponding path program 1 times [2020-10-06 01:01:07,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:01:07,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615044464] [2020-10-06 01:01:07,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:01:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:01:07,852 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 01:01:07,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615044464] [2020-10-06 01:01:07,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:01:07,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:01:07,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [790660881] [2020-10-06 01:01:07,853 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:01:07,854 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:01:07,857 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 13 transitions. [2020-10-06 01:01:07,857 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:01:07,895 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:01:07,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:01:07,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:01:07,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:01:07,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:01:07,898 INFO L87 Difference]: Start difference. First operand 54 states and 109 transitions. Second operand 4 states. [2020-10-06 01:01:07,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:01:07,920 INFO L93 Difference]: Finished difference Result 60 states and 113 transitions. [2020-10-06 01:01:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:01:07,921 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-06 01:01:07,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:01:07,922 INFO L225 Difference]: With dead ends: 60 [2020-10-06 01:01:07,922 INFO L226 Difference]: Without dead ends: 30 [2020-10-06 01:01:07,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:01:07,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-06 01:01:07,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-06 01:01:07,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-06 01:01:07,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 51 transitions. [2020-10-06 01:01:07,928 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 51 transitions. Word has length 7 [2020-10-06 01:01:07,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:01:07,929 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 51 transitions. [2020-10-06 01:01:07,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:01:07,929 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2020-10-06 01:01:07,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-06 01:01:07,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:01:07,930 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:01:07,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 01:01:07,930 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:01:07,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:01:07,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1046667655, now seen corresponding path program 1 times [2020-10-06 01:01:07,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:01:07,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448885285] [2020-10-06 01:01:07,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:01:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:01:07,985 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 01:01:07,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448885285] [2020-10-06 01:01:07,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:01:07,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:01:07,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [869508461] [2020-10-06 01:01:07,986 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:01:07,987 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:01:07,990 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 15 transitions. [2020-10-06 01:01:07,990 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:01:08,000 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:01:08,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:01:08,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:01:08,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:01:08,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:01:08,001 INFO L87 Difference]: Start difference. First operand 30 states and 51 transitions. Second operand 4 states. [2020-10-06 01:01:08,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:01:08,014 INFO L93 Difference]: Finished difference Result 24 states and 38 transitions. [2020-10-06 01:01:08,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:01:08,015 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-06 01:01:08,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:01:08,015 INFO L225 Difference]: With dead ends: 24 [2020-10-06 01:01:08,015 INFO L226 Difference]: Without dead ends: 0 [2020-10-06 01:01:08,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:01:08,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-06 01:01:08,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-06 01:01:08,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-06 01:01:08,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-06 01:01:08,017 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2020-10-06 01:01:08,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:01:08,017 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-06 01:01:08,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:01:08,017 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-06 01:01:08,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-06 01:01:08,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 01:01:08,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 01:01:08 BasicIcfg [2020-10-06 01:01:08,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 01:01:08,025 INFO L168 Benchmark]: Toolchain (without parser) took 3137.54 ms. Allocated memory was 140.5 MB in the beginning and 245.9 MB in the end (delta: 105.4 MB). Free memory was 102.3 MB in the beginning and 185.0 MB in the end (delta: -82.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-10-06 01:01:08,026 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-06 01:01:08,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.89 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.1 MB in the beginning and 162.8 MB in the end (delta: -60.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-10-06 01:01:08,027 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.06 ms. Allocated memory is still 203.9 MB. Free memory was 162.8 MB in the beginning and 160.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-06 01:01:08,028 INFO L168 Benchmark]: Boogie Preprocessor took 35.11 ms. Allocated memory is still 203.9 MB. Free memory was 160.8 MB in the beginning and 159.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-06 01:01:08,029 INFO L168 Benchmark]: RCFGBuilder took 382.20 ms. Allocated memory is still 203.9 MB. Free memory was 159.5 MB in the beginning and 139.3 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-10-06 01:01:08,030 INFO L168 Benchmark]: TraceAbstraction took 2017.36 ms. Allocated memory was 203.9 MB in the beginning and 245.9 MB in the end (delta: 41.9 MB). Free memory was 138.7 MB in the beginning and 185.0 MB in the end (delta: -46.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-06 01:01:08,034 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 650.89 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.1 MB in the beginning and 162.8 MB in the end (delta: -60.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.06 ms. Allocated memory is still 203.9 MB. Free memory was 162.8 MB in the beginning and 160.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.11 ms. Allocated memory is still 203.9 MB. Free memory was 160.8 MB in the beginning and 159.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 382.20 ms. Allocated memory is still 203.9 MB. Free memory was 159.5 MB in the beginning and 139.3 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2017.36 ms. Allocated memory was 203.9 MB in the beginning and 245.9 MB in the end (delta: 41.9 MB). Free memory was 138.7 MB in the beginning and 185.0 MB in the end (delta: -46.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.2s, 61 ProgramPointsBefore, 22 ProgramPointsAfterwards, 56 TransitionsBefore, 15 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 361 VarBasedMoverChecksPositive, 17 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 1165 CheckedPairsTotal, 48 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 33 SDtfs, 25 SDslu, 22 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 375 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...