/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-bf4350c [2020-09-17 01:26:21,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-17 01:26:21,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-17 01:26:21,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-17 01:26:21,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-17 01:26:21,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-17 01:26:21,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-17 01:26:21,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-17 01:26:21,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-17 01:26:21,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-17 01:26:21,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-17 01:26:21,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-17 01:26:21,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-17 01:26:21,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-17 01:26:21,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-17 01:26:21,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-17 01:26:21,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-17 01:26:21,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-17 01:26:21,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-17 01:26:21,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-17 01:26:21,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-17 01:26:21,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-17 01:26:21,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-17 01:26:21,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-17 01:26:21,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-17 01:26:21,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-17 01:26:21,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-17 01:26:21,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-17 01:26:21,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-17 01:26:21,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-17 01:26:21,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-17 01:26:21,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-17 01:26:21,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-17 01:26:21,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-17 01:26:21,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-17 01:26:21,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-17 01:26:21,200 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 [2020-09-17 01:26:21,226 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-17 01:26:21,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-17 01:26:21,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-17 01:26:21,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-17 01:26:21,228 INFO L138 SettingsManager]: * Use SBE=true [2020-09-17 01:26:21,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-17 01:26:21,228 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-17 01:26:21,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-17 01:26:21,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-17 01:26:21,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-17 01:26:21,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-17 01:26:21,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-17 01:26:21,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-17 01:26:21,229 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-17 01:26:21,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-17 01:26:21,230 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-17 01:26:21,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-17 01:26:21,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-17 01:26:21,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-17 01:26:21,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-17 01:26:21,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-17 01:26:21,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-17 01:26:21,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-17 01:26:21,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-17 01:26:21,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-17 01:26:21,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-17 01:26:21,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-17 01:26:21,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-17 01:26:21,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-17 01:26:21,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-17 01:26:21,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-17 01:26:21,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-17 01:26:21,719 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-17 01:26:21,721 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-17 01:26:21,722 INFO L275 PluginConnector]: CDTParser initialized [2020-09-17 01:26:21,723 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.oepc.i [2020-09-17 01:26:21,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dee6966df/0303ef10da284ffe86637edc95e17986/FLAG16d04a305 [2020-09-17 01:26:22,404 INFO L306 CDTParser]: Found 1 translation units. [2020-09-17 01:26:22,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe034_tso.oepc.i [2020-09-17 01:26:22,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dee6966df/0303ef10da284ffe86637edc95e17986/FLAG16d04a305 [2020-09-17 01:26:22,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dee6966df/0303ef10da284ffe86637edc95e17986 [2020-09-17 01:26:22,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-17 01:26:22,699 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-17 01:26:22,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-17 01:26:22,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-17 01:26:22,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-17 01:26:22,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 01:26:22" (1/1) ... [2020-09-17 01:26:22,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6449cbc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 01:26:22, skipping insertion in model container [2020-09-17 01:26:22,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 01:26:22" (1/1) ... [2020-09-17 01:26:22,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-17 01:26:22,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-17 01:26:23,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-17 01:26:23,303 INFO L203 MainTranslator]: Completed pre-run [2020-09-17 01:26:23,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-17 01:26:23,496 INFO L208 MainTranslator]: Completed translation [2020-09-17 01:26:23,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 01:26:23 WrapperNode [2020-09-17 01:26:23,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-17 01:26:23,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-17 01:26:23,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-17 01:26:23,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-17 01:26:23,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 01:26:23" (1/1) ... [2020-09-17 01:26:23,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 01:26:23" (1/1) ... [2020-09-17 01:26:23,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-17 01:26:23,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-17 01:26:23,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-17 01:26:23,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-17 01:26:23,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 01:26:23" (1/1) ... [2020-09-17 01:26:23,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 01:26:23" (1/1) ... [2020-09-17 01:26:23,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 01:26:23" (1/1) ... [2020-09-17 01:26:23,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 01:26:23" (1/1) ... [2020-09-17 01:26:23,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 01:26:23" (1/1) ... [2020-09-17 01:26:23,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 01:26:23" (1/1) ... [2020-09-17 01:26:23,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 01:26:23" (1/1) ... [2020-09-17 01:26:23,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-17 01:26:23,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-17 01:26:23,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-17 01:26:23,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-17 01:26:23,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 01:26:23" (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 [2020-09-17 01:26:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-17 01:26:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-09-17 01:26:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-17 01:26:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-17 01:26:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-09-17 01:26:23,744 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-09-17 01:26:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-09-17 01:26:23,745 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-09-17 01:26:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-09-17 01:26:23,746 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-09-17 01:26:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-09-17 01:26:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-17 01:26:23,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-17 01:26:23,749 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-17 01:26:24,151 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-17 01:26:24,151 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-09-17 01:26:24,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 01:26:24 BoogieIcfgContainer [2020-09-17 01:26:24,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-17 01:26:24,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-17 01:26:24,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-17 01:26:24,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-17 01:26:24,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.09 01:26:22" (1/3) ... [2020-09-17 01:26:24,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6e8680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.09 01:26:24, skipping insertion in model container [2020-09-17 01:26:24,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 01:26:23" (2/3) ... [2020-09-17 01:26:24,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6e8680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.09 01:26:24, skipping insertion in model container [2020-09-17 01:26:24,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 01:26:24" (3/3) ... [2020-09-17 01:26:24,169 INFO L109 eAbstractionObserver]: Analyzing ICFG safe034_tso.oepc.i [2020-09-17 01:26:24,180 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-17 01:26:24,180 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-17 01:26:24,191 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-17 01:26:24,193 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-17 01:26:24,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,219 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,220 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,221 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,222 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,222 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,223 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,224 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,229 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,229 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,229 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,230 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,241 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,241 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,241 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,241 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,244 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,244 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 01:26:24,268 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-09-17 01:26:24,294 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-17 01:26:24,295 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-17 01:26:24,295 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-17 01:26:24,295 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-17 01:26:24,295 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-17 01:26:24,296 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-17 01:26:24,296 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-17 01:26:24,296 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-17 01:26:24,312 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow [2020-09-17 01:26:24,314 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-09-17 01:26:24,360 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-09-17 01:26:24,360 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-17 01:26:24,366 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-09-17 01:26:24,369 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-09-17 01:26:24,390 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-09-17 01:26:24,391 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-17 01:26:24,391 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-09-17 01:26:24,394 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-09-17 01:26:24,395 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-17 01:26:26,041 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2732 [2020-09-17 01:26:26,042 INFO L214 etLargeBlockEncoding]: Total number of compositions: 60 [2020-09-17 01:26:26,047 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-09-17 01:26:26,073 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-09-17 01:26:26,075 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-09-17 01:26:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-17 01:26:26,085 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 01:26:26,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 01:26:26,086 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 01:26:26,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 01:26:26,094 INFO L82 PathProgramCache]: Analyzing trace with hash 760003701, now seen corresponding path program 1 times [2020-09-17 01:26:26,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 01:26:26,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235395007] [2020-09-17 01:26:26,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 01:26:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 01:26:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 01:26:26,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235395007] [2020-09-17 01:26:26,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 01:26:26,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-17 01:26:26,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752531434] [2020-09-17 01:26:26,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 01:26:26,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 01:26:26,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 01:26:26,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 01:26:26,378 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-09-17 01:26:26,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 01:26:26,437 INFO L93 Difference]: Finished difference Result 290 states and 834 transitions. [2020-09-17 01:26:26,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 01:26:26,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-09-17 01:26:26,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 01:26:26,472 INFO L225 Difference]: With dead ends: 290 [2020-09-17 01:26:26,472 INFO L226 Difference]: Without dead ends: 226 [2020-09-17 01:26:26,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 01:26:26,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-09-17 01:26:26,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-09-17 01:26:26,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-09-17 01:26:26,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 626 transitions. [2020-09-17 01:26:26,564 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 626 transitions. Word has length 8 [2020-09-17 01:26:26,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 01:26:26,566 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 626 transitions. [2020-09-17 01:26:26,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 01:26:26,566 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 626 transitions. [2020-09-17 01:26:26,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-17 01:26:26,568 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 01:26:26,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 01:26:26,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-17 01:26:26,568 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 01:26:26,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 01:26:26,569 INFO L82 PathProgramCache]: Analyzing trace with hash 2069729619, now seen corresponding path program 1 times [2020-09-17 01:26:26,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 01:26:26,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365712058] [2020-09-17 01:26:26,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 01:26:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 01:26:26,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 01:26:26,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365712058] [2020-09-17 01:26:26,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 01:26:26,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-17 01:26:26,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292332866] [2020-09-17 01:26:26,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-17 01:26:26,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 01:26:26,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-17 01:26:26,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-17 01:26:26,714 INFO L87 Difference]: Start difference. First operand 226 states and 626 transitions. Second operand 4 states. [2020-09-17 01:26:26,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 01:26:26,765 INFO L93 Difference]: Finished difference Result 242 states and 605 transitions. [2020-09-17 01:26:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-17 01:26:26,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-09-17 01:26:26,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 01:26:26,768 INFO L225 Difference]: With dead ends: 242 [2020-09-17 01:26:26,768 INFO L226 Difference]: Without dead ends: 178 [2020-09-17 01:26:26,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-17 01:26:26,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-09-17 01:26:26,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-09-17 01:26:26,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-09-17 01:26:26,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 434 transitions. [2020-09-17 01:26:26,785 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 434 transitions. Word has length 9 [2020-09-17 01:26:26,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 01:26:26,786 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 434 transitions. [2020-09-17 01:26:26,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-17 01:26:26,786 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 434 transitions. [2020-09-17 01:26:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-17 01:26:26,787 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 01:26:26,787 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 01:26:26,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-17 01:26:26,788 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 01:26:26,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 01:26:26,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1183022512, now seen corresponding path program 1 times [2020-09-17 01:26:26,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 01:26:26,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444016040] [2020-09-17 01:26:26,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 01:26:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 01:26:26,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 01:26:26,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444016040] [2020-09-17 01:26:26,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 01:26:26,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 01:26:26,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090635830] [2020-09-17 01:26:26,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-17 01:26:26,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 01:26:26,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-17 01:26:26,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-17 01:26:26,890 INFO L87 Difference]: Start difference. First operand 178 states and 434 transitions. Second operand 5 states. [2020-09-17 01:26:26,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 01:26:26,945 INFO L93 Difference]: Finished difference Result 163 states and 368 transitions. [2020-09-17 01:26:26,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-17 01:26:26,948 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-09-17 01:26:26,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 01:26:26,949 INFO L225 Difference]: With dead ends: 163 [2020-09-17 01:26:26,949 INFO L226 Difference]: Without dead ends: 126 [2020-09-17 01:26:26,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-17 01:26:26,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-09-17 01:26:26,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-09-17 01:26:26,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-09-17 01:26:26,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 278 transitions. [2020-09-17 01:26:26,958 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 278 transitions. Word has length 11 [2020-09-17 01:26:26,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 01:26:26,959 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 278 transitions. [2020-09-17 01:26:26,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-17 01:26:26,959 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 278 transitions. [2020-09-17 01:26:26,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-17 01:26:26,961 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 01:26:26,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 01:26:26,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-17 01:26:26,961 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 01:26:26,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 01:26:26,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1548024821, now seen corresponding path program 1 times [2020-09-17 01:26:26,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 01:26:26,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591247431] [2020-09-17 01:26:26,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 01:26:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 01:26:27,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 01:26:27,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591247431] [2020-09-17 01:26:27,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 01:26:27,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-17 01:26:27,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057814036] [2020-09-17 01:26:27,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-17 01:26:27,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 01:26:27,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-17 01:26:27,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-17 01:26:27,069 INFO L87 Difference]: Start difference. First operand 126 states and 278 transitions. Second operand 6 states. [2020-09-17 01:26:27,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 01:26:27,125 INFO L93 Difference]: Finished difference Result 118 states and 260 transitions. [2020-09-17 01:26:27,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-17 01:26:27,126 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-09-17 01:26:27,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 01:26:27,127 INFO L225 Difference]: With dead ends: 118 [2020-09-17 01:26:27,127 INFO L226 Difference]: Without dead ends: 108 [2020-09-17 01:26:27,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-17 01:26:27,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-09-17 01:26:27,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-09-17 01:26:27,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-09-17 01:26:27,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 242 transitions. [2020-09-17 01:26:27,134 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 242 transitions. Word has length 14 [2020-09-17 01:26:27,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 01:26:27,135 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 242 transitions. [2020-09-17 01:26:27,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-17 01:26:27,135 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 242 transitions. [2020-09-17 01:26:27,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 01:26:27,137 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 01:26:27,137 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 01:26:27,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-17 01:26:27,137 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 01:26:27,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 01:26:27,138 INFO L82 PathProgramCache]: Analyzing trace with hash 2137678742, now seen corresponding path program 1 times [2020-09-17 01:26:27,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 01:26:27,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909580639] [2020-09-17 01:26:27,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 01:26:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 01:26:27,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 01:26:27,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909580639] [2020-09-17 01:26:27,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 01:26:27,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-17 01:26:27,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2985101] [2020-09-17 01:26:27,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 01:26:27,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 01:26:27,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 01:26:27,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 01:26:27,191 INFO L87 Difference]: Start difference. First operand 108 states and 242 transitions. Second operand 3 states. [2020-09-17 01:26:27,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 01:26:27,198 INFO L93 Difference]: Finished difference Result 133 states and 289 transitions. [2020-09-17 01:26:27,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 01:26:27,199 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-17 01:26:27,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 01:26:27,199 INFO L225 Difference]: With dead ends: 133 [2020-09-17 01:26:27,200 INFO L226 Difference]: Without dead ends: 54 [2020-09-17 01:26:27,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 01:26:27,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-09-17 01:26:27,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-09-17 01:26:27,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-17 01:26:27,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 98 transitions. [2020-09-17 01:26:27,204 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 98 transitions. Word has length 17 [2020-09-17 01:26:27,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 01:26:27,204 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 98 transitions. [2020-09-17 01:26:27,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 01:26:27,204 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2020-09-17 01:26:27,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 01:26:27,205 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 01:26:27,205 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 01:26:27,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-17 01:26:27,206 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 01:26:27,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 01:26:27,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1164645812, now seen corresponding path program 2 times [2020-09-17 01:26:27,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 01:26:27,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283569069] [2020-09-17 01:26:27,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 01:26:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 01:26:27,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 01:26:27,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283569069] [2020-09-17 01:26:27,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 01:26:27,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 01:26:27,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124605805] [2020-09-17 01:26:27,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-17 01:26:27,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 01:26:27,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-17 01:26:27,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-17 01:26:27,266 INFO L87 Difference]: Start difference. First operand 54 states and 98 transitions. Second operand 4 states. [2020-09-17 01:26:27,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 01:26:27,280 INFO L93 Difference]: Finished difference Result 67 states and 119 transitions. [2020-09-17 01:26:27,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-17 01:26:27,281 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-09-17 01:26:27,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 01:26:27,281 INFO L225 Difference]: With dead ends: 67 [2020-09-17 01:26:27,281 INFO L226 Difference]: Without dead ends: 30 [2020-09-17 01:26:27,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-17 01:26:27,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-17 01:26:27,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-09-17 01:26:27,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-17 01:26:27,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2020-09-17 01:26:27,284 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 17 [2020-09-17 01:26:27,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 01:26:27,285 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2020-09-17 01:26:27,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-17 01:26:27,285 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2020-09-17 01:26:27,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 01:26:27,285 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 01:26:27,286 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 01:26:27,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-17 01:26:27,288 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 01:26:27,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 01:26:27,289 INFO L82 PathProgramCache]: Analyzing trace with hash 2098338434, now seen corresponding path program 3 times [2020-09-17 01:26:27,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 01:26:27,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500455034] [2020-09-17 01:26:27,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 01:26:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 01:26:27,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 01:26:27,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500455034] [2020-09-17 01:26:27,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 01:26:27,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 01:26:27,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351361682] [2020-09-17 01:26:27,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-17 01:26:27,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 01:26:27,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-17 01:26:27,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-17 01:26:27,346 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 4 states. [2020-09-17 01:26:27,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 01:26:27,356 INFO L93 Difference]: Finished difference Result 29 states and 43 transitions. [2020-09-17 01:26:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-17 01:26:27,357 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-09-17 01:26:27,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 01:26:27,357 INFO L225 Difference]: With dead ends: 29 [2020-09-17 01:26:27,357 INFO L226 Difference]: Without dead ends: 0 [2020-09-17 01:26:27,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-17 01:26:27,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-17 01:26:27,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-17 01:26:27,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-17 01:26:27,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-17 01:26:27,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-09-17 01:26:27,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 01:26:27,359 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-17 01:26:27,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-17 01:26:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-17 01:26:27,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-17 01:26:27,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-17 01:26:27,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.09 01:26:27 BasicIcfg [2020-09-17 01:26:27,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-17 01:26:27,368 INFO L168 Benchmark]: Toolchain (without parser) took 4671.58 ms. Allocated memory was 141.0 MB in the beginning and 245.4 MB in the end (delta: 104.3 MB). Free memory was 103.3 MB in the beginning and 167.6 MB in the end (delta: -64.3 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. [2020-09-17 01:26:27,369 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-09-17 01:26:27,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.30 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 102.6 MB in the beginning and 161.4 MB in the end (delta: -58.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-09-17 01:26:27,370 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.66 ms. Allocated memory is still 203.9 MB. Free memory was 161.4 MB in the beginning and 158.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-09-17 01:26:27,371 INFO L168 Benchmark]: Boogie Preprocessor took 58.77 ms. Allocated memory is still 203.9 MB. Free memory was 158.8 MB in the beginning and 157.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-09-17 01:26:27,372 INFO L168 Benchmark]: RCFGBuilder took 510.05 ms. Allocated memory is still 203.9 MB. Free memory was 157.5 MB in the beginning and 135.2 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-09-17 01:26:27,373 INFO L168 Benchmark]: TraceAbstraction took 3204.38 ms. Allocated memory was 203.9 MB in the beginning and 245.4 MB in the end (delta: 41.4 MB). Free memory was 135.2 MB in the beginning and 167.6 MB in the end (delta: -32.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2020-09-17 01:26:27,377 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 798.30 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 102.6 MB in the beginning and 161.4 MB in the end (delta: -58.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 89.66 ms. Allocated memory is still 203.9 MB. Free memory was 161.4 MB in the beginning and 158.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.77 ms. Allocated memory is still 203.9 MB. Free memory was 158.8 MB in the beginning and 157.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 510.05 ms. Allocated memory is still 203.9 MB. Free memory was 157.5 MB in the beginning and 135.2 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3204.38 ms. Allocated memory was 203.9 MB in the beginning and 245.4 MB in the end (delta: 41.4 MB). Free memory was 135.2 MB in the beginning and 167.6 MB in the end (delta: -32.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.7s, 78 ProgramPointsBefore, 31 ProgramPointsAfterwards, 70 TransitionsBefore, 22 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 685 VarBasedMoverChecksPositive, 30 VarBasedMoverChecksNegative, 10 SemBasedMoverChecksPositive, 32 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 2732 CheckedPairsTotal, 60 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 141 SDtfs, 114 SDslu, 191 SDs, 0 SdLazy, 96 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 2838 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...