/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 22:47:59,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 22:47:59,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 22:47:59,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 22:47:59,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 22:47:59,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 22:47:59,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 22:47:59,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 22:47:59,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 22:47:59,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 22:47:59,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 22:47:59,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 22:47:59,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 22:47:59,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 22:47:59,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 22:47:59,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 22:47:59,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 22:47:59,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 22:47:59,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 22:47:59,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 22:47:59,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 22:47:59,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 22:47:59,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 22:47:59,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 22:47:59,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 22:47:59,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 22:47:59,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 22:47:59,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 22:47:59,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 22:47:59,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 22:47:59,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 22:47:59,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 22:47:59,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 22:47:59,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 22:47:59,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 22:47:59,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 22:47:59,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-05 22:47:59,676 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 22:47:59,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 22:47:59,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 22:47:59,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 22:47:59,678 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 22:47:59,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 22:47:59,679 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 22:47:59,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 22:47:59,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 22:47:59,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 22:47:59,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 22:47:59,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 22:47:59,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 22:47:59,684 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 22:47:59,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 22:47:59,685 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 22:47:59,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 22:47:59,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 22:47:59,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 22:47:59,686 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 22:47:59,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 22:47:59,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 22:47:59,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 22:47:59,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-05 22:47:59,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 22:47:59,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 22:47:59,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 22:47:59,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 22:47:59,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-05 22:47:59,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-05 22:48:00,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 22:48:00,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 22:48:00,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 22:48:00,066 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 22:48:00,067 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 22:48:00,067 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i [2020-10-05 22:48:00,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a00256a/d8cbc53bd81e4eb49ff7adf0d27c7884/FLAG699f46b9e [2020-10-05 22:48:00,694 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 22:48:00,694 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i [2020-10-05 22:48:00,709 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a00256a/d8cbc53bd81e4eb49ff7adf0d27c7884/FLAG699f46b9e [2020-10-05 22:48:00,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a00256a/d8cbc53bd81e4eb49ff7adf0d27c7884 [2020-10-05 22:48:01,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 22:48:01,005 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 22:48:01,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 22:48:01,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 22:48:01,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 22:48:01,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:48:00" (1/1) ... [2020-10-05 22:48:01,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76ae30ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:01, skipping insertion in model container [2020-10-05 22:48:01,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:48:00" (1/1) ... [2020-10-05 22:48:01,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 22:48:01,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 22:48:01,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 22:48:01,565 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 22:48:01,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 22:48:01,698 INFO L208 MainTranslator]: Completed translation [2020-10-05 22:48:01,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:01 WrapperNode [2020-10-05 22:48:01,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 22:48:01,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 22:48:01,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 22:48:01,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 22:48:01,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:01" (1/1) ... [2020-10-05 22:48:01,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:01" (1/1) ... [2020-10-05 22:48:01,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 22:48:01,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 22:48:01,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 22:48:01,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 22:48:01,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:01" (1/1) ... [2020-10-05 22:48:01,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:01" (1/1) ... [2020-10-05 22:48:01,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:01" (1/1) ... [2020-10-05 22:48:01,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:01" (1/1) ... [2020-10-05 22:48:01,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:01" (1/1) ... [2020-10-05 22:48:01,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:01" (1/1) ... [2020-10-05 22:48:01,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:01" (1/1) ... [2020-10-05 22:48:01,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 22:48:01,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 22:48:01,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 22:48:01,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 22:48:01,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:01" (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 [2020-10-05 22:48:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 22:48:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 22:48:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 22:48:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 22:48:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 22:48:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 22:48:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 22:48:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 22:48:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 22:48:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 22:48:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 22:48:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 22:48:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 22:48:01,843 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 22:48:02,235 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 22:48:02,235 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-05 22:48:02,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:48:02 BoogieIcfgContainer [2020-10-05 22:48:02,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 22:48:02,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 22:48:02,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 22:48:02,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 22:48:02,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 10:48:00" (1/3) ... [2020-10-05 22:48:02,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2a5917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:48:02, skipping insertion in model container [2020-10-05 22:48:02,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:01" (2/3) ... [2020-10-05 22:48:02,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2a5917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:48:02, skipping insertion in model container [2020-10-05 22:48:02,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:48:02" (3/3) ... [2020-10-05 22:48:02,246 INFO L109 eAbstractionObserver]: Analyzing ICFG safe003_tso.opt.i [2020-10-05 22:48:02,256 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 22:48:02,256 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-05 22:48:02,263 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-05 22:48:02,264 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 22:48:02,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,296 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,297 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,299 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,299 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,299 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,299 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,301 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,301 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,307 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,307 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,314 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,315 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,318 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,318 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,319 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:02,336 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-05 22:48:02,359 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 22:48:02,359 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 22:48:02,359 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-05 22:48:02,360 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 22:48:02,360 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 22:48:02,360 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 22:48:02,360 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 22:48:02,360 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 22:48:02,376 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow [2020-10-05 22:48:02,378 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-10-05 22:48:02,421 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-10-05 22:48:02,421 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 22:48:02,426 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-05 22:48:02,430 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-10-05 22:48:02,468 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-10-05 22:48:02,468 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 22:48:02,469 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-05 22:48:02,476 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-10-05 22:48:02,478 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-10-05 22:48:04,159 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2700 [2020-10-05 22:48:04,160 INFO L214 etLargeBlockEncoding]: Total number of compositions: 59 [2020-10-05 22:48:04,164 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-10-05 22:48:04,189 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-10-05 22:48:04,192 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-10-05 22:48:04,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-05 22:48:04,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:48:04,201 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:48:04,201 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:48:04,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:48:04,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1011733384, now seen corresponding path program 1 times [2020-10-05 22:48:04,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:48:04,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050405211] [2020-10-05 22:48:04,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:48:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:48:04,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:48:04,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050405211] [2020-10-05 22:48:04,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:48:04,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 22:48:04,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240227794] [2020-10-05 22:48:04,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:48:04,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:48:04,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:48:04,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:48:04,454 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-10-05 22:48:04,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:48:04,518 INFO L93 Difference]: Finished difference Result 290 states and 834 transitions. [2020-10-05 22:48:04,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:48:04,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-05 22:48:04,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:48:04,537 INFO L225 Difference]: With dead ends: 290 [2020-10-05 22:48:04,537 INFO L226 Difference]: Without dead ends: 226 [2020-10-05 22:48:04,539 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 [2020-10-05 22:48:04,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-10-05 22:48:04,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-10-05 22:48:04,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-05 22:48:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 626 transitions. [2020-10-05 22:48:04,612 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 626 transitions. Word has length 8 [2020-10-05 22:48:04,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:48:04,613 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 626 transitions. [2020-10-05 22:48:04,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:48:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 626 transitions. [2020-10-05 22:48:04,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 22:48:04,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:48:04,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:48:04,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 22:48:04,616 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:48:04,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:48:04,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1035713695, now seen corresponding path program 1 times [2020-10-05 22:48:04,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:48:04,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747179178] [2020-10-05 22:48:04,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:48:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:48:04,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:48:04,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747179178] [2020-10-05 22:48:04,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:48:04,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 22:48:04,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539930550] [2020-10-05 22:48:04,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:48:04,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:48:04,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:48:04,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:48:04,706 INFO L87 Difference]: Start difference. First operand 226 states and 626 transitions. Second operand 3 states. [2020-10-05 22:48:04,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:48:04,718 INFO L93 Difference]: Finished difference Result 214 states and 585 transitions. [2020-10-05 22:48:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:48:04,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-05 22:48:04,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:48:04,722 INFO L225 Difference]: With dead ends: 214 [2020-10-05 22:48:04,722 INFO L226 Difference]: Without dead ends: 214 [2020-10-05 22:48:04,723 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 [2020-10-05 22:48:04,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-10-05 22:48:04,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2020-10-05 22:48:04,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-10-05 22:48:04,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 585 transitions. [2020-10-05 22:48:04,747 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 585 transitions. Word has length 9 [2020-10-05 22:48:04,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:48:04,747 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 585 transitions. [2020-10-05 22:48:04,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:48:04,748 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 585 transitions. [2020-10-05 22:48:04,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-05 22:48:04,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:48:04,750 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:48:04,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 22:48:04,750 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:48:04,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:48:04,750 INFO L82 PathProgramCache]: Analyzing trace with hash -2042509488, now seen corresponding path program 1 times [2020-10-05 22:48:04,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:48:04,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725101676] [2020-10-05 22:48:04,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:48:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:48:04,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:48:04,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725101676] [2020-10-05 22:48:04,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:48:04,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:48:04,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842499060] [2020-10-05 22:48:04,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 22:48:04,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:48:04,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 22:48:04,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 22:48:04,834 INFO L87 Difference]: Start difference. First operand 214 states and 585 transitions. Second operand 4 states. [2020-10-05 22:48:04,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:48:04,863 INFO L93 Difference]: Finished difference Result 254 states and 660 transitions. [2020-10-05 22:48:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 22:48:04,864 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-05 22:48:04,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:48:04,866 INFO L225 Difference]: With dead ends: 254 [2020-10-05 22:48:04,866 INFO L226 Difference]: Without dead ends: 134 [2020-10-05 22:48:04,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 22:48:04,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-05 22:48:04,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-10-05 22:48:04,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-05 22:48:04,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 326 transitions. [2020-10-05 22:48:04,882 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 326 transitions. Word has length 10 [2020-10-05 22:48:04,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:48:04,882 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 326 transitions. [2020-10-05 22:48:04,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 22:48:04,882 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 326 transitions. [2020-10-05 22:48:04,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 22:48:04,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:48:04,884 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:48:04,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 22:48:04,884 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:48:04,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:48:04,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1680323254, now seen corresponding path program 1 times [2020-10-05 22:48:04,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:48:04,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9909000] [2020-10-05 22:48:04,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:48:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:48:04,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:48:04,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9909000] [2020-10-05 22:48:04,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:48:04,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 22:48:04,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903339939] [2020-10-05 22:48:04,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:48:04,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:48:04,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:48:04,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:48:04,953 INFO L87 Difference]: Start difference. First operand 134 states and 326 transitions. Second operand 3 states. [2020-10-05 22:48:04,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:48:04,959 INFO L93 Difference]: Finished difference Result 128 states and 307 transitions. [2020-10-05 22:48:04,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:48:04,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-05 22:48:04,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:48:04,962 INFO L225 Difference]: With dead ends: 128 [2020-10-05 22:48:04,962 INFO L226 Difference]: Without dead ends: 128 [2020-10-05 22:48:04,963 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 [2020-10-05 22:48:04,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-05 22:48:04,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2020-10-05 22:48:04,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-05 22:48:04,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 307 transitions. [2020-10-05 22:48:04,977 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 307 transitions. Word has length 11 [2020-10-05 22:48:04,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:48:04,977 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 307 transitions. [2020-10-05 22:48:04,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:48:04,977 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 307 transitions. [2020-10-05 22:48:04,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 22:48:04,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:48:04,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:48:04,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 22:48:04,979 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:48:04,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:48:04,980 INFO L82 PathProgramCache]: Analyzing trace with hash 550400496, now seen corresponding path program 1 times [2020-10-05 22:48:04,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:48:04,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504848681] [2020-10-05 22:48:04,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:48:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:48:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:48:05,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504848681] [2020-10-05 22:48:05,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:48:05,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 22:48:05,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548065881] [2020-10-05 22:48:05,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 22:48:05,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:48:05,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 22:48:05,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 22:48:05,024 INFO L87 Difference]: Start difference. First operand 128 states and 307 transitions. Second operand 4 states. [2020-10-05 22:48:05,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:48:05,049 INFO L93 Difference]: Finished difference Result 194 states and 456 transitions. [2020-10-05 22:48:05,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 22:48:05,050 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-05 22:48:05,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:48:05,051 INFO L225 Difference]: With dead ends: 194 [2020-10-05 22:48:05,051 INFO L226 Difference]: Without dead ends: 140 [2020-10-05 22:48:05,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 22:48:05,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-05 22:48:05,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 128. [2020-10-05 22:48:05,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-05 22:48:05,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 297 transitions. [2020-10-05 22:48:05,060 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 297 transitions. Word has length 12 [2020-10-05 22:48:05,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:48:05,060 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 297 transitions. [2020-10-05 22:48:05,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 22:48:05,061 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 297 transitions. [2020-10-05 22:48:05,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 22:48:05,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:48:05,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:48:05,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 22:48:05,063 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:48:05,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:48:05,063 INFO L82 PathProgramCache]: Analyzing trace with hash -188087018, now seen corresponding path program 2 times [2020-10-05 22:48:05,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:48:05,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876606749] [2020-10-05 22:48:05,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:48:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:48:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:48:05,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876606749] [2020-10-05 22:48:05,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:48:05,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:48:05,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670200584] [2020-10-05 22:48:05,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 22:48:05,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:48:05,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 22:48:05,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 22:48:05,154 INFO L87 Difference]: Start difference. First operand 128 states and 297 transitions. Second operand 4 states. [2020-10-05 22:48:05,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:48:05,176 INFO L93 Difference]: Finished difference Result 146 states and 330 transitions. [2020-10-05 22:48:05,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 22:48:05,177 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-05 22:48:05,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:48:05,178 INFO L225 Difference]: With dead ends: 146 [2020-10-05 22:48:05,178 INFO L226 Difference]: Without dead ends: 86 [2020-10-05 22:48:05,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 22:48:05,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-05 22:48:05,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-10-05 22:48:05,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-05 22:48:05,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 186 transitions. [2020-10-05 22:48:05,183 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 186 transitions. Word has length 12 [2020-10-05 22:48:05,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:48:05,184 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 186 transitions. [2020-10-05 22:48:05,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 22:48:05,184 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 186 transitions. [2020-10-05 22:48:05,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 22:48:05,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:48:05,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:48:05,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 22:48:05,186 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:48:05,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:48:05,186 INFO L82 PathProgramCache]: Analyzing trace with hash -118658274, now seen corresponding path program 1 times [2020-10-05 22:48:05,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:48:05,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570825362] [2020-10-05 22:48:05,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:48:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:48:05,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:48:05,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570825362] [2020-10-05 22:48:05,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:48:05,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:48:05,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092119231] [2020-10-05 22:48:05,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:48:05,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:48:05,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:48:05,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:48:05,216 INFO L87 Difference]: Start difference. First operand 86 states and 186 transitions. Second operand 3 states. [2020-10-05 22:48:05,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:48:05,224 INFO L93 Difference]: Finished difference Result 74 states and 154 transitions. [2020-10-05 22:48:05,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:48:05,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-05 22:48:05,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:48:05,225 INFO L225 Difference]: With dead ends: 74 [2020-10-05 22:48:05,226 INFO L226 Difference]: Without dead ends: 0 [2020-10-05 22:48:05,226 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 [2020-10-05 22:48:05,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-05 22:48:05,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-05 22:48:05,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-05 22:48:05,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-05 22:48:05,227 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-10-05 22:48:05,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:48:05,227 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-05 22:48:05,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:48:05,228 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-05 22:48:05,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-05 22:48:05,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 22:48:05,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 10:48:05 BasicIcfg [2020-10-05 22:48:05,232 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 22:48:05,235 INFO L168 Benchmark]: Toolchain (without parser) took 4229.71 ms. Allocated memory was 138.9 MB in the beginning and 249.6 MB in the end (delta: 110.6 MB). Free memory was 99.0 MB in the beginning and 197.5 MB in the end (delta: -98.5 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-10-05 22:48:05,236 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-05 22:48:05,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.23 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 98.8 MB in the beginning and 157.1 MB in the end (delta: -58.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-10-05 22:48:05,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.27 ms. Allocated memory is still 200.3 MB. Free memory was 157.1 MB in the beginning and 155.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-05 22:48:05,239 INFO L168 Benchmark]: Boogie Preprocessor took 28.28 ms. Allocated memory is still 200.3 MB. Free memory was 155.0 MB in the beginning and 153.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-05 22:48:05,239 INFO L168 Benchmark]: RCFGBuilder took 461.18 ms. Allocated memory is still 200.3 MB. Free memory was 153.0 MB in the beginning and 131.3 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2020-10-05 22:48:05,240 INFO L168 Benchmark]: TraceAbstraction took 2993.14 ms. Allocated memory was 200.3 MB in the beginning and 249.6 MB in the end (delta: 49.3 MB). Free memory was 130.6 MB in the beginning and 197.5 MB in the end (delta: -66.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-05 22:48:05,244 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.23 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 98.8 MB in the beginning and 157.1 MB in the end (delta: -58.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.27 ms. Allocated memory is still 200.3 MB. Free memory was 157.1 MB in the beginning and 155.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.28 ms. Allocated memory is still 200.3 MB. Free memory was 155.0 MB in the beginning and 153.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 461.18 ms. Allocated memory is still 200.3 MB. Free memory was 153.0 MB in the beginning and 131.3 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2993.14 ms. Allocated memory was 200.3 MB in the beginning and 249.6 MB in the end (delta: 49.3 MB). Free memory was 130.6 MB in the beginning and 197.5 MB in the end (delta: -66.9 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: 1.7s, 78 ProgramPointsBefore, 31 ProgramPointsAfterwards, 70 TransitionsBefore, 22 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 667 VarBasedMoverChecksPositive, 35 VarBasedMoverChecksNegative, 11 SemBasedMoverChecksPositive, 35 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 2700 CheckedPairsTotal, 59 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 4 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: 127 SDtfs, 83 SDslu, 111 SDs, 0 SdLazy, 44 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 1780 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...