/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 04:12:31,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 04:12:31,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 04:12:31,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 04:12:31,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 04:12:31,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 04:12:31,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 04:12:31,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 04:12:31,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 04:12:31,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 04:12:31,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 04:12:31,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 04:12:31,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 04:12:31,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 04:12:31,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 04:12:31,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 04:12:31,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 04:12:31,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 04:12:31,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 04:12:31,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 04:12:31,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 04:12:31,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 04:12:31,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 04:12:31,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 04:12:31,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 04:12:31,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 04:12:31,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 04:12:31,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 04:12:31,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 04:12:31,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 04:12:31,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 04:12:31,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 04:12:31,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 04:12:31,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 04:12:31,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 04:12:31,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 04:12:31,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2019-12-27 04:12:31,790 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 04:12:31,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 04:12:31,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 04:12:31,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 04:12:31,792 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 04:12:31,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 04:12:31,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 04:12:31,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 04:12:31,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 04:12:31,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 04:12:31,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 04:12:31,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 04:12:31,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 04:12:31,794 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 04:12:31,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 04:12:31,794 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 04:12:31,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 04:12:31,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 04:12:31,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 04:12:31,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 04:12:31,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 04:12:31,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 04:12:31,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 04:12:31,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 04:12:31,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 04:12:31,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 04:12:31,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 04:12:31,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 04:12:31,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 04:12:32,108 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 04:12:32,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 04:12:32,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 04:12:32,124 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 04:12:32,124 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 04:12:32,125 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.oepc.i [2019-12-27 04:12:32,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a353b8e65/942de16e01cf4cebbd1c7d6d29f1fbe5/FLAG37abb074a [2019-12-27 04:12:32,737 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 04:12:32,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe033_tso.oepc.i [2019-12-27 04:12:32,762 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a353b8e65/942de16e01cf4cebbd1c7d6d29f1fbe5/FLAG37abb074a [2019-12-27 04:12:33,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a353b8e65/942de16e01cf4cebbd1c7d6d29f1fbe5 [2019-12-27 04:12:33,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 04:12:33,105 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 04:12:33,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 04:12:33,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 04:12:33,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 04:12:33,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 04:12:33" (1/1) ... [2019-12-27 04:12:33,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d065fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:12:33, skipping insertion in model container [2019-12-27 04:12:33,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 04:12:33" (1/1) ... [2019-12-27 04:12:33,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 04:12:33,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 04:12:33,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 04:12:33,705 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 04:12:33,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 04:12:33,860 INFO L208 MainTranslator]: Completed translation [2019-12-27 04:12:33,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:12:33 WrapperNode [2019-12-27 04:12:33,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 04:12:33,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 04:12:33,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 04:12:33,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 04:12:33,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:12:33" (1/1) ... [2019-12-27 04:12:33,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:12:33" (1/1) ... [2019-12-27 04:12:33,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 04:12:33,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 04:12:33,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 04:12:33,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 04:12:33,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:12:33" (1/1) ... [2019-12-27 04:12:33,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:12:33" (1/1) ... [2019-12-27 04:12:33,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:12:33" (1/1) ... [2019-12-27 04:12:33,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:12:33" (1/1) ... [2019-12-27 04:12:33,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:12:33" (1/1) ... [2019-12-27 04:12:33,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:12:33" (1/1) ... [2019-12-27 04:12:33,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:12:33" (1/1) ... [2019-12-27 04:12:33,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 04:12:33,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 04:12:33,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 04:12:33,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 04:12:33,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:12:33" (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 [2019-12-27 04:12:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 04:12:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 04:12:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 04:12:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 04:12:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 04:12:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 04:12:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 04:12:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 04:12:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 04:12:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 04:12:34,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 04:12:34,007 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 04:12:34,304 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 04:12:34,304 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 04:12:34,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 04:12:34 BoogieIcfgContainer [2019-12-27 04:12:34,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 04:12:34,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 04:12:34,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 04:12:34,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 04:12:34,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 04:12:33" (1/3) ... [2019-12-27 04:12:34,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4882f4f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 04:12:34, skipping insertion in model container [2019-12-27 04:12:34,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:12:33" (2/3) ... [2019-12-27 04:12:34,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4882f4f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 04:12:34, skipping insertion in model container [2019-12-27 04:12:34,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 04:12:34" (3/3) ... [2019-12-27 04:12:34,317 INFO L109 eAbstractionObserver]: Analyzing ICFG safe033_tso.oepc.i [2019-12-27 04:12:34,329 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 04:12:34,329 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 04:12:34,338 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 04:12:34,340 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 04:12:34,371 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,371 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,372 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,378 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,379 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,379 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,379 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,380 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,380 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,380 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,381 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,381 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,385 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,385 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,386 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,386 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,392 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,392 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,393 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,393 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:12:34,426 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 04:12:34,449 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:12:34,450 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:12:34,450 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:12:34,450 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:12:34,450 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:12:34,450 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:12:34,451 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:12:34,451 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:12:34,463 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 42 transitions [2019-12-27 04:12:34,465 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 48 places, 42 transitions [2019-12-27 04:12:34,500 INFO L132 PetriNetUnfolder]: 1/40 cut-off events. [2019-12-27 04:12:34,501 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 04:12:34,507 INFO L76 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 40 events. 1/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 0/38 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-27 04:12:34,510 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 48 places, 42 transitions [2019-12-27 04:12:34,528 INFO L132 PetriNetUnfolder]: 1/40 cut-off events. [2019-12-27 04:12:34,528 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 04:12:34,529 INFO L76 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 40 events. 1/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 0/38 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-27 04:12:34,531 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 234 [2019-12-27 04:12:34,532 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 04:12:35,939 INFO L206 etLargeBlockEncoding]: Checked pairs total: 275 [2019-12-27 04:12:35,939 INFO L214 etLargeBlockEncoding]: Total number of compositions: 37 [2019-12-27 04:12:35,943 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 16 places, 13 transitions [2019-12-27 04:12:35,952 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 26 states. [2019-12-27 04:12:35,954 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-12-27 04:12:35,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 04:12:35,961 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:12:35,962 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 04:12:35,963 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:12:35,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:12:35,969 INFO L82 PathProgramCache]: Analyzing trace with hash 520246960, now seen corresponding path program 1 times [2019-12-27 04:12:35,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:12:35,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612041947] [2019-12-27 04:12:35,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:12:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:12:36,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:12:36,179 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612041947] [2019-12-27 04:12:36,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:12:36,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 04:12:36,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465590707] [2019-12-27 04:12:36,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:12:36,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:12:36,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:12:36,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:12:36,203 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2019-12-27 04:12:36,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:12:36,236 INFO L93 Difference]: Finished difference Result 25 states and 41 transitions. [2019-12-27 04:12:36,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:12:36,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-27 04:12:36,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:12:36,250 INFO L225 Difference]: With dead ends: 25 [2019-12-27 04:12:36,251 INFO L226 Difference]: Without dead ends: 17 [2019-12-27 04:12:36,252 INFO L631 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 [2019-12-27 04:12:36,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-12-27 04:12:36,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-12-27 04:12:36,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-27 04:12:36,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2019-12-27 04:12:36,303 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 25 transitions. Word has length 6 [2019-12-27 04:12:36,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:12:36,303 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 25 transitions. [2019-12-27 04:12:36,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:12:36,303 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2019-12-27 04:12:36,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 04:12:36,304 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:12:36,304 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:12:36,305 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:12:36,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:12:36,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1053333326, now seen corresponding path program 1 times [2019-12-27 04:12:36,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:12:36,306 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748529062] [2019-12-27 04:12:36,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:12:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:12:36,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:12:36,432 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748529062] [2019-12-27 04:12:36,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:12:36,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:12:36,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139773641] [2019-12-27 04:12:36,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 04:12:36,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:12:36,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 04:12:36,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 04:12:36,435 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. Second operand 5 states. [2019-12-27 04:12:36,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:12:36,493 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2019-12-27 04:12:36,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 04:12:36,494 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-12-27 04:12:36,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:12:36,495 INFO L225 Difference]: With dead ends: 16 [2019-12-27 04:12:36,495 INFO L226 Difference]: Without dead ends: 12 [2019-12-27 04:12:36,496 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 04:12:36,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-12-27 04:12:36,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-12-27 04:12:36,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-27 04:12:36,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2019-12-27 04:12:36,499 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 7 [2019-12-27 04:12:36,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:12:36,499 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2019-12-27 04:12:36,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 04:12:36,500 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-12-27 04:12:36,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 04:12:36,500 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:12:36,500 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:12:36,501 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:12:36,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:12:36,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1706464507, now seen corresponding path program 1 times [2019-12-27 04:12:36,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:12:36,502 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121942241] [2019-12-27 04:12:36,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:12:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:12:36,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:12:36,596 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121942241] [2019-12-27 04:12:36,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:12:36,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 04:12:36,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870122635] [2019-12-27 04:12:36,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:12:36,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:12:36,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:12:36,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:12:36,599 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 3 states. [2019-12-27 04:12:36,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:12:36,610 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2019-12-27 04:12:36,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:12:36,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-27 04:12:36,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:12:36,612 INFO L225 Difference]: With dead ends: 14 [2019-12-27 04:12:36,612 INFO L226 Difference]: Without dead ends: 9 [2019-12-27 04:12:36,613 INFO L631 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 [2019-12-27 04:12:36,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-12-27 04:12:36,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-12-27 04:12:36,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-27 04:12:36,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2019-12-27 04:12:36,615 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 8 [2019-12-27 04:12:36,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:12:36,615 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2019-12-27 04:12:36,615 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:12:36,616 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2019-12-27 04:12:36,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 04:12:36,616 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:12:36,616 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:12:36,617 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:12:36,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:12:36,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1743020947, now seen corresponding path program 2 times [2019-12-27 04:12:36,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:12:36,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869886378] [2019-12-27 04:12:36,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:12:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:12:36,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:12:36,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869886378] [2019-12-27 04:12:36,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:12:36,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:12:36,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341454825] [2019-12-27 04:12:36,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 04:12:36,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:12:36,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 04:12:36,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 04:12:36,676 INFO L87 Difference]: Start difference. First operand 9 states and 8 transitions. Second operand 4 states. [2019-12-27 04:12:36,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:12:36,690 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2019-12-27 04:12:36,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 04:12:36,690 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-27 04:12:36,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:12:36,690 INFO L225 Difference]: With dead ends: 8 [2019-12-27 04:12:36,691 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 04:12:36,691 INFO L631 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 [2019-12-27 04:12:36,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 04:12:36,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 04:12:36,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 04:12:36,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 04:12:36,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-12-27 04:12:36,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:12:36,693 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 04:12:36,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 04:12:36,694 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 04:12:36,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 04:12:36,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 04:12:36 BasicIcfg [2019-12-27 04:12:36,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 04:12:36,701 INFO L168 Benchmark]: Toolchain (without parser) took 3594.54 ms. Allocated memory was 141.6 MB in the beginning and 256.9 MB in the end (delta: 115.3 MB). Free memory was 97.8 MB in the beginning and 195.0 MB in the end (delta: -97.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2019-12-27 04:12:36,702 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.6 MB. Free memory was 118.0 MB in the beginning and 117.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 04:12:36,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.56 ms. Allocated memory was 141.6 MB in the beginning and 198.7 MB in the end (delta: 57.1 MB). Free memory was 97.6 MB in the beginning and 154.0 MB in the end (delta: -56.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-12-27 04:12:36,704 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.01 ms. Allocated memory is still 198.7 MB. Free memory was 154.0 MB in the beginning and 151.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-27 04:12:36,704 INFO L168 Benchmark]: Boogie Preprocessor took 25.60 ms. Allocated memory is still 198.7 MB. Free memory was 151.9 MB in the beginning and 150.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 04:12:36,705 INFO L168 Benchmark]: RCFGBuilder took 367.13 ms. Allocated memory is still 198.7 MB. Free memory was 150.4 MB in the beginning and 132.0 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2019-12-27 04:12:36,706 INFO L168 Benchmark]: TraceAbstraction took 2389.46 ms. Allocated memory was 198.7 MB in the beginning and 256.9 MB in the end (delta: 58.2 MB). Free memory was 131.3 MB in the beginning and 195.0 MB in the end (delta: -63.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 04:12:36,710 INFO L335 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 141.6 MB. Free memory was 118.0 MB in the beginning and 117.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 754.56 ms. Allocated memory was 141.6 MB in the beginning and 198.7 MB in the end (delta: 57.1 MB). Free memory was 97.6 MB in the beginning and 154.0 MB in the end (delta: -56.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.01 ms. Allocated memory is still 198.7 MB. Free memory was 154.0 MB in the beginning and 151.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.60 ms. Allocated memory is still 198.7 MB. Free memory was 151.9 MB in the beginning and 150.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 367.13 ms. Allocated memory is still 198.7 MB. Free memory was 150.4 MB in the beginning and 132.0 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2389.46 ms. Allocated memory was 198.7 MB in the beginning and 256.9 MB in the end (delta: 58.2 MB). Free memory was 131.3 MB in the beginning and 195.0 MB in the end (delta: -63.8 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: 1.4s, 48 ProgramPointsBefore, 16 ProgramPointsAfterwards, 42 TransitionsBefore, 13 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 141 VarBasedMoverChecksPositive, 14 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 15 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 275 CheckedPairsTotal, 37 TotalNumberOfCompositions - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 42 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 29 SDtfs, 12 SDslu, 19 SDs, 0 SdLazy, 23 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 399 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...