/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/safe030_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-17 18:13:31,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-17 18:13:31,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-17 18:13:31,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-17 18:13:31,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-17 18:13:31,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-17 18:13:31,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-17 18:13:31,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-17 18:13:31,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-17 18:13:31,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-17 18:13:31,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-17 18:13:31,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-17 18:13:31,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-17 18:13:31,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-17 18:13:31,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-17 18:13:31,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-17 18:13:31,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-17 18:13:31,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-17 18:13:31,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-17 18:13:31,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-17 18:13:31,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-17 18:13:31,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-17 18:13:31,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-17 18:13:31,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-17 18:13:31,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-17 18:13:31,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-17 18:13:31,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-17 18:13:31,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-17 18:13:31,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-17 18:13:31,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-17 18:13:31,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-17 18:13:31,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-17 18:13:31,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-17 18:13:31,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-17 18:13:31,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-17 18:13:31,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-17 18:13:31,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-17 18:13:31,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-17 18:13:31,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-17 18:13:31,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-17 18:13:31,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-17 18:13:31,583 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 [2020-04-17 18:13:31,598 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-17 18:13:31,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-17 18:13:31,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-17 18:13:31,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-17 18:13:31,600 INFO L138 SettingsManager]: * Use SBE=true [2020-04-17 18:13:31,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-17 18:13:31,600 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-17 18:13:31,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-17 18:13:31,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-17 18:13:31,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-17 18:13:31,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-17 18:13:31,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-17 18:13:31,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-17 18:13:31,601 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-17 18:13:31,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-17 18:13:31,602 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-17 18:13:31,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-17 18:13:31,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-17 18:13:31,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-17 18:13:31,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-17 18:13:31,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-17 18:13:31,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-17 18:13:31,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-17 18:13:31,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-17 18:13:31,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-17 18:13:31,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-17 18:13:31,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-17 18:13:31,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-17 18:13:31,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-04-17 18:13:31,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-17 18:13:31,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-17 18:13:31,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-17 18:13:31,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-17 18:13:31,933 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-17 18:13:31,934 INFO L275 PluginConnector]: CDTParser initialized [2020-04-17 18:13:31,935 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe030_tso.oepc.i [2020-04-17 18:13:32,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bd22a948/34de64177b324c8bad633cfc2d959da8/FLAG1d2ac683d [2020-04-17 18:13:32,601 INFO L306 CDTParser]: Found 1 translation units. [2020-04-17 18:13:32,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_tso.oepc.i [2020-04-17 18:13:32,617 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bd22a948/34de64177b324c8bad633cfc2d959da8/FLAG1d2ac683d [2020-04-17 18:13:32,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bd22a948/34de64177b324c8bad633cfc2d959da8 [2020-04-17 18:13:32,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-17 18:13:32,878 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-17 18:13:32,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-17 18:13:32,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-17 18:13:32,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-17 18:13:32,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 06:13:32" (1/1) ... [2020-04-17 18:13:32,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694972d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:13:32, skipping insertion in model container [2020-04-17 18:13:32,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 06:13:32" (1/1) ... [2020-04-17 18:13:32,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-17 18:13:32,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-17 18:13:33,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 18:13:33,434 INFO L203 MainTranslator]: Completed pre-run [2020-04-17 18:13:33,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 18:13:33,565 INFO L208 MainTranslator]: Completed translation [2020-04-17 18:13:33,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:13:33 WrapperNode [2020-04-17 18:13:33,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-17 18:13:33,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-17 18:13:33,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-17 18:13:33,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-17 18:13:33,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:13:33" (1/1) ... [2020-04-17 18:13:33,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:13:33" (1/1) ... [2020-04-17 18:13:33,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-17 18:13:33,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-17 18:13:33,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-17 18:13:33,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-17 18:13:33,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:13:33" (1/1) ... [2020-04-17 18:13:33,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:13:33" (1/1) ... [2020-04-17 18:13:33,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:13:33" (1/1) ... [2020-04-17 18:13:33,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:13:33" (1/1) ... [2020-04-17 18:13:33,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:13:33" (1/1) ... [2020-04-17 18:13:33,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:13:33" (1/1) ... [2020-04-17 18:13:33,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:13:33" (1/1) ... [2020-04-17 18:13:33,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-17 18:13:33,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-17 18:13:33,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-17 18:13:33,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-17 18:13:33,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:13:33" (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 [2020-04-17 18:13:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-17 18:13:33,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-04-17 18:13:33,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-17 18:13:33,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-17 18:13:33,713 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-04-17 18:13:33,714 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-04-17 18:13:33,714 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-04-17 18:13:33,715 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-04-17 18:13:33,715 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-04-17 18:13:33,715 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-04-17 18:13:33,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-04-17 18:13:33,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-17 18:13:33,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-17 18:13:33,717 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-17 18:13:34,093 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-17 18:13:34,094 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-04-17 18:13:34,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 06:13:34 BoogieIcfgContainer [2020-04-17 18:13:34,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-17 18:13:34,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-17 18:13:34,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-17 18:13:34,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-17 18:13:34,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 06:13:32" (1/3) ... [2020-04-17 18:13:34,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a5a8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 06:13:34, skipping insertion in model container [2020-04-17 18:13:34,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:13:33" (2/3) ... [2020-04-17 18:13:34,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a5a8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 06:13:34, skipping insertion in model container [2020-04-17 18:13:34,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 06:13:34" (3/3) ... [2020-04-17 18:13:34,112 INFO L109 eAbstractionObserver]: Analyzing ICFG safe030_tso.oepc.i [2020-04-17 18:13:34,123 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-17 18:13:34,123 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-17 18:13:34,130 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-17 18:13:34,132 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-17 18:13:34,158 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,159 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,159 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,159 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,160 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,160 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,161 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,161 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,161 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,161 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,162 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,162 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,163 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,163 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,163 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,163 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,164 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,164 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,168 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,168 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,169 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,169 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,186 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,187 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,187 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,187 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,190 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,191 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,191 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,191 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:13:34,205 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-17 18:13:34,223 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 18:13:34,223 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 18:13:34,223 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 18:13:34,224 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 18:13:34,224 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 18:13:34,224 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 18:13:34,224 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 18:13:34,224 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 18:13:34,240 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 68 transitions, 151 flow [2020-04-17 18:13:34,242 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 76 places, 68 transitions, 151 flow [2020-04-17 18:13:34,299 INFO L129 PetriNetUnfolder]: 2/65 cut-off events. [2020-04-17 18:13:34,300 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-17 18:13:34,305 INFO L80 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 65 events. 2/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-04-17 18:13:34,307 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 76 places, 68 transitions, 151 flow [2020-04-17 18:13:34,328 INFO L129 PetriNetUnfolder]: 2/65 cut-off events. [2020-04-17 18:13:34,328 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-17 18:13:34,329 INFO L80 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 65 events. 2/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-04-17 18:13:34,334 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-04-17 18:13:34,335 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-17 18:13:35,798 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-04-17 18:13:35,954 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2202 [2020-04-17 18:13:35,955 INFO L214 etLargeBlockEncoding]: Total number of compositions: 55 [2020-04-17 18:13:35,958 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-04-17 18:13:35,987 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-04-17 18:13:35,989 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-04-17 18:13:35,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-17 18:13:35,996 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:13:35,997 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:13:35,997 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:13:36,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:13:36,003 INFO L82 PathProgramCache]: Analyzing trace with hash -346907981, now seen corresponding path program 1 times [2020-04-17 18:13:36,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:13:36,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000315125] [2020-04-17 18:13:36,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:13:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:13:36,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:13:36,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000315125] [2020-04-17 18:13:36,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:13:36,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 18:13:36,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774410348] [2020-04-17 18:13:36,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-17 18:13:36,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:13:36,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-17 18:13:36,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 18:13:36,220 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-04-17 18:13:36,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:13:36,254 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-04-17 18:13:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-17 18:13:36,256 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-04-17 18:13:36,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:13:36,274 INFO L225 Difference]: With dead ends: 362 [2020-04-17 18:13:36,274 INFO L226 Difference]: Without dead ends: 298 [2020-04-17 18:13:36,275 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 18:13:36,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-04-17 18:13:36,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-04-17 18:13:36,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-04-17 18:13:36,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-04-17 18:13:36,357 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-04-17 18:13:36,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:13:36,358 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-04-17 18:13:36,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-17 18:13:36,359 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-04-17 18:13:36,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-17 18:13:36,360 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:13:36,360 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:13:36,360 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:13:36,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:13:36,361 INFO L82 PathProgramCache]: Analyzing trace with hash 2130750683, now seen corresponding path program 1 times [2020-04-17 18:13:36,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:13:36,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263687798] [2020-04-17 18:13:36,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:13:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:13:36,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:13:36,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263687798] [2020-04-17 18:13:36,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:13:36,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 18:13:36,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670432863] [2020-04-17 18:13:36,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 18:13:36,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:13:36,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 18:13:36,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 18:13:36,474 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 3 states. [2020-04-17 18:13:36,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:13:36,542 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions. [2020-04-17 18:13:36,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 18:13:36,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-04-17 18:13:36,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:13:36,545 INFO L225 Difference]: With dead ends: 217 [2020-04-17 18:13:36,545 INFO L226 Difference]: Without dead ends: 217 [2020-04-17 18:13:36,546 INFO L678 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 [2020-04-17 18:13:36,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-04-17 18:13:36,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-04-17 18:13:36,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-04-17 18:13:36,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 540 transitions. [2020-04-17 18:13:36,587 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 540 transitions. Word has length 9 [2020-04-17 18:13:36,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:13:36,587 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 540 transitions. [2020-04-17 18:13:36,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 18:13:36,588 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions. [2020-04-17 18:13:36,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-17 18:13:36,589 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:13:36,589 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:13:36,590 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:13:36,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:13:36,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1087116204, now seen corresponding path program 1 times [2020-04-17 18:13:36,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:13:36,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934219931] [2020-04-17 18:13:36,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:13:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:13:36,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:13:36,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934219931] [2020-04-17 18:13:36,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:13:36,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 18:13:36,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386706060] [2020-04-17 18:13:36,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-17 18:13:36,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:13:36,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-17 18:13:36,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-04-17 18:13:36,717 INFO L87 Difference]: Start difference. First operand 217 states and 540 transitions. Second operand 4 states. [2020-04-17 18:13:36,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:13:36,747 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions. [2020-04-17 18:13:36,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-17 18:13:36,749 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-04-17 18:13:36,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:13:36,750 INFO L225 Difference]: With dead ends: 136 [2020-04-17 18:13:36,750 INFO L226 Difference]: Without dead ends: 136 [2020-04-17 18:13:36,751 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-04-17 18:13:36,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-04-17 18:13:36,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-04-17 18:13:36,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-04-17 18:13:36,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 297 transitions. [2020-04-17 18:13:36,763 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 297 transitions. Word has length 12 [2020-04-17 18:13:36,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:13:36,764 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 297 transitions. [2020-04-17 18:13:36,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-17 18:13:36,764 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions. [2020-04-17 18:13:36,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 18:13:36,766 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:13:36,766 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:13:36,766 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:13:36,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:13:36,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1427017344, now seen corresponding path program 1 times [2020-04-17 18:13:36,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:13:36,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19649800] [2020-04-17 18:13:36,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:13:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:13:36,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:13:36,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19649800] [2020-04-17 18:13:36,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:13:36,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-17 18:13:36,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601626572] [2020-04-17 18:13:36,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-17 18:13:36,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:13:36,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-17 18:13:36,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-04-17 18:13:36,838 INFO L87 Difference]: Start difference. First operand 136 states and 297 transitions. Second operand 5 states. [2020-04-17 18:13:36,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:13:36,868 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions. [2020-04-17 18:13:36,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 18:13:36,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-04-17 18:13:36,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:13:36,870 INFO L225 Difference]: With dead ends: 109 [2020-04-17 18:13:36,870 INFO L226 Difference]: Without dead ends: 109 [2020-04-17 18:13:36,870 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-04-17 18:13:36,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-04-17 18:13:36,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-04-17 18:13:36,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-04-17 18:13:36,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 243 transitions. [2020-04-17 18:13:36,876 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 243 transitions. Word has length 15 [2020-04-17 18:13:36,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:13:36,876 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 243 transitions. [2020-04-17 18:13:36,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-17 18:13:36,877 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2020-04-17 18:13:36,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-17 18:13:36,878 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:13:36,878 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:13:36,878 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:13:36,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:13:36,879 INFO L82 PathProgramCache]: Analyzing trace with hash 68730238, now seen corresponding path program 1 times [2020-04-17 18:13:36,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:13:36,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535884412] [2020-04-17 18:13:36,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:13:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:13:36,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:13:36,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535884412] [2020-04-17 18:13:36,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:13:36,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 18:13:36,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925606287] [2020-04-17 18:13:36,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-17 18:13:36,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:13:36,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-17 18:13:36,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-17 18:13:36,959 INFO L87 Difference]: Start difference. First operand 109 states and 243 transitions. Second operand 4 states. [2020-04-17 18:13:36,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:13:36,985 INFO L93 Difference]: Finished difference Result 135 states and 291 transitions. [2020-04-17 18:13:36,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-17 18:13:36,986 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-04-17 18:13:36,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:13:36,987 INFO L225 Difference]: With dead ends: 135 [2020-04-17 18:13:36,987 INFO L226 Difference]: Without dead ends: 85 [2020-04-17 18:13:36,988 INFO L678 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 [2020-04-17 18:13:36,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-04-17 18:13:36,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-04-17 18:13:36,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-04-17 18:13:36,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 177 transitions. [2020-04-17 18:13:37,000 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 177 transitions. Word has length 18 [2020-04-17 18:13:37,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:13:37,000 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 177 transitions. [2020-04-17 18:13:37,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-17 18:13:37,000 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 177 transitions. [2020-04-17 18:13:37,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-17 18:13:37,001 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:13:37,001 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:13:37,002 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:13:37,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:13:37,005 INFO L82 PathProgramCache]: Analyzing trace with hash 225033754, now seen corresponding path program 2 times [2020-04-17 18:13:37,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:13:37,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669074926] [2020-04-17 18:13:37,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:13:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:13:37,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:13:37,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669074926] [2020-04-17 18:13:37,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:13:37,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 18:13:37,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282004693] [2020-04-17 18:13:37,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-17 18:13:37,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:13:37,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-17 18:13:37,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-17 18:13:37,081 INFO L87 Difference]: Start difference. First operand 85 states and 177 transitions. Second operand 4 states. [2020-04-17 18:13:37,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:13:37,100 INFO L93 Difference]: Finished difference Result 99 states and 199 transitions. [2020-04-17 18:13:37,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-17 18:13:37,100 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-04-17 18:13:37,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:13:37,101 INFO L225 Difference]: With dead ends: 99 [2020-04-17 18:13:37,101 INFO L226 Difference]: Without dead ends: 37 [2020-04-17 18:13:37,101 INFO L678 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 [2020-04-17 18:13:37,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-04-17 18:13:37,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-04-17 18:13:37,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-04-17 18:13:37,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 57 transitions. [2020-04-17 18:13:37,103 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 57 transitions. Word has length 18 [2020-04-17 18:13:37,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:13:37,104 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 57 transitions. [2020-04-17 18:13:37,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-17 18:13:37,104 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2020-04-17 18:13:37,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-17 18:13:37,105 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:13:37,105 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:13:37,105 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:13:37,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:13:37,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1816005352, now seen corresponding path program 3 times [2020-04-17 18:13:37,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:13:37,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070661244] [2020-04-17 18:13:37,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:13:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:13:37,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:13:37,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070661244] [2020-04-17 18:13:37,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:13:37,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 18:13:37,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779216283] [2020-04-17 18:13:37,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-17 18:13:37,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:13:37,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-17 18:13:37,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-17 18:13:37,164 INFO L87 Difference]: Start difference. First operand 37 states and 57 transitions. Second operand 4 states. [2020-04-17 18:13:37,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:13:37,176 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions. [2020-04-17 18:13:37,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-17 18:13:37,177 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-04-17 18:13:37,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:13:37,177 INFO L225 Difference]: With dead ends: 36 [2020-04-17 18:13:37,177 INFO L226 Difference]: Without dead ends: 0 [2020-04-17 18:13:37,178 INFO L678 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 [2020-04-17 18:13:37,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-17 18:13:37,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-17 18:13:37,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-17 18:13:37,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-17 18:13:37,179 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-04-17 18:13:37,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:13:37,179 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-17 18:13:37,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-17 18:13:37,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-17 18:13:37,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-17 18:13:37,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 06:13:37 BasicIcfg [2020-04-17 18:13:37,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-17 18:13:37,186 INFO L168 Benchmark]: Toolchain (without parser) took 4328.83 ms. Allocated memory was 142.6 MB in the beginning and 253.8 MB in the end (delta: 111.1 MB). Free memory was 99.2 MB in the beginning and 127.0 MB in the end (delta: -27.8 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-04-17 18:13:37,187 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-04-17 18:13:37,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.84 ms. Allocated memory was 142.6 MB in the beginning and 199.2 MB in the end (delta: 56.6 MB). Free memory was 97.3 MB in the beginning and 156.5 MB in the end (delta: -59.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2020-04-17 18:13:37,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.14 ms. Allocated memory is still 199.2 MB. Free memory was 156.5 MB in the beginning and 154.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-04-17 18:13:37,189 INFO L168 Benchmark]: Boogie Preprocessor took 24.99 ms. Allocated memory is still 199.2 MB. Free memory was 154.4 MB in the beginning and 152.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-04-17 18:13:37,190 INFO L168 Benchmark]: RCFGBuilder took 452.68 ms. Allocated memory is still 199.2 MB. Free memory was 152.3 MB in the beginning and 131.0 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2020-04-17 18:13:37,191 INFO L168 Benchmark]: TraceAbstraction took 3078.68 ms. Allocated memory was 199.2 MB in the beginning and 253.8 MB in the end (delta: 54.5 MB). Free memory was 130.3 MB in the beginning and 127.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 57.8 MB. Max. memory is 7.1 GB. [2020-04-17 18:13:37,196 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 686.84 ms. Allocated memory was 142.6 MB in the beginning and 199.2 MB in the end (delta: 56.6 MB). Free memory was 97.3 MB in the beginning and 156.5 MB in the end (delta: -59.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.14 ms. Allocated memory is still 199.2 MB. Free memory was 156.5 MB in the beginning and 154.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.99 ms. Allocated memory is still 199.2 MB. Free memory was 154.4 MB in the beginning and 152.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 452.68 ms. Allocated memory is still 199.2 MB. Free memory was 152.3 MB in the beginning and 131.0 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3078.68 ms. Allocated memory was 199.2 MB in the beginning and 253.8 MB in the end (delta: 54.5 MB). Free memory was 130.3 MB in the beginning and 127.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 57.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.7s, 76 ProgramPointsBefore, 32 ProgramPointsAfterwards, 68 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 692 VarBasedMoverChecksPositive, 35 VarBasedMoverChecksNegative, 14 SemBasedMoverChecksPositive, 33 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 2202 CheckedPairsTotal, 55 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, 67 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 128 SDtfs, 73 SDslu, 157 SDs, 0 SdLazy, 49 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 2420 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...