/usr/bin/java -Xmx16000000000 -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/safe007_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 15:02:48,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 15:02:48,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 15:02:48,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 15:02:48,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 15:02:48,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 15:02:48,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 15:02:48,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 15:02:48,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 15:02:48,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 15:02:48,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 15:02:48,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 15:02:48,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 15:02:48,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 15:02:48,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 15:02:48,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 15:02:48,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 15:02:48,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 15:02:48,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 15:02:48,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 15:02:48,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 15:02:48,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 15:02:48,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 15:02:48,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 15:02:48,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 15:02:48,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 15:02:48,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 15:02:48,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 15:02:48,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 15:02:48,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 15:02:48,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 15:02:48,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 15:02:48,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 15:02:48,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 15:02:48,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 15:02:48,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 15:02:48,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 15:02:48,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 15:02:48,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 15:02:48,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 15:02:48,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 15:02:48,747 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-11 15:02:48,792 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 15:02:48,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 15:02:48,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 15:02:48,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 15:02:48,797 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 15:02:48,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 15:02:48,797 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 15:02:48,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 15:02:48,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 15:02:48,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 15:02:48,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 15:02:48,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 15:02:48,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 15:02:48,802 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 15:02:48,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 15:02:48,802 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 15:02:48,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 15:02:48,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 15:02:48,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 15:02:48,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 15:02:48,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 15:02:48,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 15:02:48,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 15:02:48,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 15:02:48,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 15:02:48,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 15:02:48,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 15:02:48,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-11 15:02:48,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-11 15:02:48,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 15:02:49,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 15:02:49,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 15:02:49,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 15:02:49,141 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 15:02:49,142 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 15:02:49,143 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2020-10-11 15:02:49,214 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87f7f845b/58cd6659805342c883aa5d4856b218da/FLAG435ce5fc2 [2020-10-11 15:02:49,786 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 15:02:49,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2020-10-11 15:02:49,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87f7f845b/58cd6659805342c883aa5d4856b218da/FLAG435ce5fc2 [2020-10-11 15:02:50,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87f7f845b/58cd6659805342c883aa5d4856b218da [2020-10-11 15:02:50,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 15:02:50,128 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 15:02:50,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 15:02:50,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 15:02:50,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 15:02:50,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:02:50" (1/1) ... [2020-10-11 15:02:50,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d56843d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:02:50, skipping insertion in model container [2020-10-11 15:02:50,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:02:50" (1/1) ... [2020-10-11 15:02:50,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 15:02:50,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 15:02:50,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 15:02:50,687 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 15:02:50,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 15:02:50,806 INFO L208 MainTranslator]: Completed translation [2020-10-11 15:02:50,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:02:50 WrapperNode [2020-10-11 15:02:50,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 15:02:50,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 15:02:50,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 15:02:50,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 15:02:50,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:02:50" (1/1) ... [2020-10-11 15:02:50,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:02:50" (1/1) ... [2020-10-11 15:02:50,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 15:02:50,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 15:02:50,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 15:02:50,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 15:02:50,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:02:50" (1/1) ... [2020-10-11 15:02:50,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:02:50" (1/1) ... [2020-10-11 15:02:50,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:02:50" (1/1) ... [2020-10-11 15:02:50,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:02:50" (1/1) ... [2020-10-11 15:02:50,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:02:50" (1/1) ... [2020-10-11 15:02:50,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:02:50" (1/1) ... [2020-10-11 15:02:50,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:02:50" (1/1) ... [2020-10-11 15:02:50,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 15:02:50,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 15:02:50,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 15:02:50,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 15:02:50,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:02:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 15:02:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 15:02:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 15:02:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 15:02:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 15:02:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-11 15:02:50,954 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-11 15:02:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-11 15:02:50,955 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-11 15:02:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-11 15:02:50,955 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-11 15:02:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 15:02:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 15:02:50,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 15:02:50,957 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 15:02:51,273 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 15:02:51,273 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-11 15:02:51,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:02:51 BoogieIcfgContainer [2020-10-11 15:02:51,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 15:02:51,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 15:02:51,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 15:02:51,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 15:02:51,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:02:50" (1/3) ... [2020-10-11 15:02:51,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7934d55d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:02:51, skipping insertion in model container [2020-10-11 15:02:51,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:02:50" (2/3) ... [2020-10-11 15:02:51,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7934d55d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:02:51, skipping insertion in model container [2020-10-11 15:02:51,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:02:51" (3/3) ... [2020-10-11 15:02:51,283 INFO L111 eAbstractionObserver]: Analyzing ICFG safe007_pso.oepc.i [2020-10-11 15:02:51,296 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-11 15:02:51,296 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 15:02:51,304 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-11 15:02:51,305 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 15:02:51,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,336 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,337 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,337 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,338 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,339 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,339 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,341 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,341 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,345 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,346 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,346 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,354 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,355 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,358 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,358 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:02:51,374 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-11 15:02:51,396 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 15:02:51,396 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 15:02:51,397 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 15:02:51,397 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 15:02:51,397 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 15:02:51,398 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 15:02:51,399 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 15:02:51,399 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 15:02:51,423 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 15:02:51,425 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-10-11 15:02:51,427 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 71 transitions, 157 flow [2020-10-11 15:02:51,429 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-10-11 15:02:51,473 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-10-11 15:02:51,473 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 15:02:51,478 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-11 15:02:51,481 INFO L117 LiptonReduction]: Number of co-enabled transitions 1260 [2020-10-11 15:02:52,870 INFO L132 LiptonReduction]: Checked pairs total: 2579 [2020-10-11 15:02:52,870 INFO L134 LiptonReduction]: Total number of compositions: 58 [2020-10-11 15:02:52,877 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-10-11 15:02:52,907 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-10-11 15:02:52,909 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-10-11 15:02:52,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-11 15:02:52,917 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:02:52,918 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:02:52,919 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:02:52,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:02:52,925 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times [2020-10-11 15:02:52,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:02:52,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791851556] [2020-10-11 15:02:52,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:02:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:02:53,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:02:53,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791851556] [2020-10-11 15:02:53,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:02:53,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 15:02:53,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649490764] [2020-10-11 15:02:53,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-11 15:02:53,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:02:53,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-11 15:02:53,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 15:02:53,139 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-10-11 15:02:53,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:02:53,176 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-10-11 15:02:53,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-11 15:02:53,178 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-10-11 15:02:53,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:02:53,196 INFO L225 Difference]: With dead ends: 362 [2020-10-11 15:02:53,196 INFO L226 Difference]: Without dead ends: 298 [2020-10-11 15:02:53,197 INFO L673 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 [2020-10-11 15:02:53,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-11 15:02:53,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-10-11 15:02:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-11 15:02:53,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-10-11 15:02:53,287 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-10-11 15:02:53,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:02:53,289 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-10-11 15:02:53,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-11 15:02:53,289 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-10-11 15:02:53,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-11 15:02:53,290 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:02:53,291 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:02:53,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 15:02:53,291 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:02:53,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:02:53,292 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times [2020-10-11 15:02:53,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:02:53,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539551059] [2020-10-11 15:02:53,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:02:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:02:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:02:53,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539551059] [2020-10-11 15:02:53,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:02:53,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 15:02:53,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923118280] [2020-10-11 15:02:53,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 15:02:53,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:02:53,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 15:02:53,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 15:02:53,425 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-10-11 15:02:53,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:02:53,465 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions. [2020-10-11 15:02:53,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 15:02:53,466 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-11 15:02:53,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:02:53,470 INFO L225 Difference]: With dead ends: 330 [2020-10-11 15:02:53,470 INFO L226 Difference]: Without dead ends: 266 [2020-10-11 15:02:53,471 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:02:53,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-11 15:02:53,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-11 15:02:53,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-11 15:02:53,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions. [2020-10-11 15:02:53,494 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9 [2020-10-11 15:02:53,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:02:53,495 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions. [2020-10-11 15:02:53,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 15:02:53,495 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-10-11 15:02:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-11 15:02:53,497 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:02:53,497 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:02:53,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 15:02:53,497 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:02:53,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:02:53,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1345064228, now seen corresponding path program 1 times [2020-10-11 15:02:53,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:02:53,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746274562] [2020-10-11 15:02:53,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:02:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:02:53,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:02:53,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746274562] [2020-10-11 15:02:53,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:02:53,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 15:02:53,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695196194] [2020-10-11 15:02:53,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 15:02:53,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:02:53,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 15:02:53,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 15:02:53,614 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 4 states. [2020-10-11 15:02:53,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:02:53,641 INFO L93 Difference]: Finished difference Result 290 states and 786 transitions. [2020-10-11 15:02:53,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 15:02:53,642 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-11 15:02:53,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:02:53,645 INFO L225 Difference]: With dead ends: 290 [2020-10-11 15:02:53,645 INFO L226 Difference]: Without dead ends: 242 [2020-10-11 15:02:53,646 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:02:53,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-11 15:02:53,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-10-11 15:02:53,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-11 15:02:53,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 670 transitions. [2020-10-11 15:02:53,663 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 670 transitions. Word has length 10 [2020-10-11 15:02:53,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:02:53,664 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 670 transitions. [2020-10-11 15:02:53,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 15:02:53,664 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-10-11 15:02:53,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-11 15:02:53,666 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:02:53,667 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:02:53,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 15:02:53,667 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:02:53,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:02:53,668 INFO L82 PathProgramCache]: Analyzing trace with hash -635370963, now seen corresponding path program 1 times [2020-10-11 15:02:53,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:02:53,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974363074] [2020-10-11 15:02:53,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:02:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:02:53,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:02:53,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974363074] [2020-10-11 15:02:53,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:02:53,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 15:02:53,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584259657] [2020-10-11 15:02:53,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 15:02:53,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:02:53,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 15:02:53,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 15:02:53,798 INFO L87 Difference]: Start difference. First operand 242 states and 670 transitions. Second operand 4 states. [2020-10-11 15:02:53,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:02:53,834 INFO L93 Difference]: Finished difference Result 260 states and 694 transitions. [2020-10-11 15:02:53,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 15:02:53,835 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-11 15:02:53,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:02:53,838 INFO L225 Difference]: With dead ends: 260 [2020-10-11 15:02:53,838 INFO L226 Difference]: Without dead ends: 224 [2020-10-11 15:02:53,839 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:02:53,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-10-11 15:02:53,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2020-10-11 15:02:53,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-10-11 15:02:53,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 610 transitions. [2020-10-11 15:02:53,861 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 610 transitions. Word has length 11 [2020-10-11 15:02:53,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:02:53,862 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 610 transitions. [2020-10-11 15:02:53,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 15:02:53,862 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-10-11 15:02:53,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-11 15:02:53,867 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:02:53,867 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:02:53,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 15:02:53,867 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:02:53,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:02:53,868 INFO L82 PathProgramCache]: Analyzing trace with hash 368404844, now seen corresponding path program 1 times [2020-10-11 15:02:53,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:02:53,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627656559] [2020-10-11 15:02:53,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:02:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:02:53,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:02:53,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627656559] [2020-10-11 15:02:53,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:02:53,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 15:02:53,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265652600] [2020-10-11 15:02:53,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 15:02:53,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:02:53,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 15:02:53,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:02:53,933 INFO L87 Difference]: Start difference. First operand 224 states and 610 transitions. Second operand 5 states. [2020-10-11 15:02:53,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:02:53,981 INFO L93 Difference]: Finished difference Result 281 states and 747 transitions. [2020-10-11 15:02:53,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 15:02:53,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-11 15:02:53,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:02:53,983 INFO L225 Difference]: With dead ends: 281 [2020-10-11 15:02:53,983 INFO L226 Difference]: Without dead ends: 158 [2020-10-11 15:02:53,984 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-11 15:02:53,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-11 15:02:53,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-10-11 15:02:53,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-11 15:02:53,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 394 transitions. [2020-10-11 15:02:53,990 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 394 transitions. Word has length 12 [2020-10-11 15:02:53,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:02:53,990 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 394 transitions. [2020-10-11 15:02:53,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 15:02:53,991 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 394 transitions. [2020-10-11 15:02:53,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-11 15:02:53,992 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:02:53,992 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:02:53,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 15:02:53,992 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:02:53,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:02:53,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1491329578, now seen corresponding path program 1 times [2020-10-11 15:02:53,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:02:53,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25995219] [2020-10-11 15:02:53,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:02:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:02:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:02:54,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25995219] [2020-10-11 15:02:54,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:02:54,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 15:02:54,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417735308] [2020-10-11 15:02:54,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 15:02:54,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:02:54,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 15:02:54,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:02:54,044 INFO L87 Difference]: Start difference. First operand 158 states and 394 transitions. Second operand 5 states. [2020-10-11 15:02:54,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:02:54,085 INFO L93 Difference]: Finished difference Result 212 states and 513 transitions. [2020-10-11 15:02:54,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 15:02:54,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-11 15:02:54,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:02:54,087 INFO L225 Difference]: With dead ends: 212 [2020-10-11 15:02:54,087 INFO L226 Difference]: Without dead ends: 98 [2020-10-11 15:02:54,087 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-11 15:02:54,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-11 15:02:54,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-10-11 15:02:54,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-11 15:02:54,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 218 transitions. [2020-10-11 15:02:54,091 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 218 transitions. Word has length 13 [2020-10-11 15:02:54,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:02:54,092 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 218 transitions. [2020-10-11 15:02:54,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 15:02:54,092 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-10-11 15:02:54,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-11 15:02:54,093 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:02:54,093 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:02:54,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 15:02:54,093 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:02:54,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:02:54,094 INFO L82 PathProgramCache]: Analyzing trace with hash -647415272, now seen corresponding path program 1 times [2020-10-11 15:02:54,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:02:54,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189600911] [2020-10-11 15:02:54,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:02:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:02:54,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:02:54,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189600911] [2020-10-11 15:02:54,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:02:54,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 15:02:54,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943837411] [2020-10-11 15:02:54,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 15:02:54,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:02:54,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 15:02:54,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:02:54,143 INFO L87 Difference]: Start difference. First operand 98 states and 218 transitions. Second operand 5 states. [2020-10-11 15:02:54,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:02:54,186 INFO L93 Difference]: Finished difference Result 86 states and 186 transitions. [2020-10-11 15:02:54,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 15:02:54,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-11 15:02:54,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:02:54,187 INFO L225 Difference]: With dead ends: 86 [2020-10-11 15:02:54,187 INFO L226 Difference]: Without dead ends: 0 [2020-10-11 15:02:54,188 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-11 15:02:54,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-11 15:02:54,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-11 15:02:54,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-11 15:02:54,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-11 15:02:54,188 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-10-11 15:02:54,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:02:54,189 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-11 15:02:54,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 15:02:54,189 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-11 15:02:54,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-11 15:02:54,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 15:02:54,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 03:02:54 BasicIcfg [2020-10-11 15:02:54,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 15:02:54,195 INFO L168 Benchmark]: Toolchain (without parser) took 4067.42 ms. Allocated memory was 247.5 MB in the beginning and 363.9 MB in the end (delta: 116.4 MB). Free memory was 198.7 MB in the beginning and 274.6 MB in the end (delta: -75.9 MB). Peak memory consumption was 40.5 MB. Max. memory is 14.2 GB. [2020-10-11 15:02:54,196 INFO L168 Benchmark]: CDTParser took 1.47 ms. Allocated memory is still 247.5 MB. Free memory was 223.0 MB in the beginning and 222.2 MB in the end (delta: 839.2 kB). Peak memory consumption was 839.2 kB. Max. memory is 14.2 GB. [2020-10-11 15:02:54,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.34 ms. Allocated memory was 247.5 MB in the beginning and 300.4 MB in the end (delta: 53.0 MB). Free memory was 198.7 MB in the beginning and 253.9 MB in the end (delta: -55.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 14.2 GB. [2020-10-11 15:02:54,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.91 ms. Allocated memory is still 300.4 MB. Free memory was 253.9 MB in the beginning and 252.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-11 15:02:54,199 INFO L168 Benchmark]: Boogie Preprocessor took 36.54 ms. Allocated memory is still 300.4 MB. Free memory was 252.2 MB in the beginning and 250.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-11 15:02:54,200 INFO L168 Benchmark]: RCFGBuilder took 385.10 ms. Allocated memory is still 300.4 MB. Free memory was 250.5 MB in the beginning and 227.7 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 14.2 GB. [2020-10-11 15:02:54,201 INFO L168 Benchmark]: TraceAbstraction took 2916.43 ms. Allocated memory was 300.4 MB in the beginning and 363.9 MB in the end (delta: 63.4 MB). Free memory was 226.8 MB in the beginning and 274.6 MB in the end (delta: -47.8 MB). Peak memory consumption was 15.6 MB. Max. memory is 14.2 GB. [2020-10-11 15:02:54,205 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47 ms. Allocated memory is still 247.5 MB. Free memory was 223.0 MB in the beginning and 222.2 MB in the end (delta: 839.2 kB). Peak memory consumption was 839.2 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 678.34 ms. Allocated memory was 247.5 MB in the beginning and 300.4 MB in the end (delta: 53.0 MB). Free memory was 198.7 MB in the beginning and 253.9 MB in the end (delta: -55.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 45.91 ms. Allocated memory is still 300.4 MB. Free memory was 253.9 MB in the beginning and 252.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 36.54 ms. Allocated memory is still 300.4 MB. Free memory was 252.2 MB in the beginning and 250.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 385.10 ms. Allocated memory is still 300.4 MB. Free memory was 250.5 MB in the beginning and 227.7 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 2916.43 ms. Allocated memory was 300.4 MB in the beginning and 363.9 MB in the end (delta: 63.4 MB). Free memory was 226.8 MB in the beginning and 274.6 MB in the end (delta: -47.8 MB). Peak memory consumption was 15.6 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 879 VarBasedMoverChecksPositive, 39 VarBasedMoverChecksNegative, 10 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 81 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.4s, 79 PlacesBefore, 32 PlacesAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 58 TotalNumberOfCompositions, 2579 MoverChecksTotal - 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, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 156 SDtfs, 155 SDslu, 212 SDs, 0 SdLazy, 46 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 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, 0.3s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 2464 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...