/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe036_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 05:33:42,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 05:33:42,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 05:33:42,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 05:33:42,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 05:33:42,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 05:33:42,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 05:33:42,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 05:33:42,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 05:33:42,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 05:33:42,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 05:33:42,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 05:33:42,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 05:33:42,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 05:33:42,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 05:33:42,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 05:33:42,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 05:33:42,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 05:33:42,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 05:33:42,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 05:33:42,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 05:33:42,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 05:33:42,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 05:33:42,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 05:33:42,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-19 05:33:42,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 05:33:42,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 05:33:42,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 05:33:42,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 05:33:42,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 05:33:42,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 05:33:42,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 05:33:42,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 05:33:42,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 05:33:42,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 05:33:42,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 05:33:42,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-19 05:33:42,197 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 05:33:42,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 05:33:42,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 05:33:42,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 05:33:42,199 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 05:33:42,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 05:33:42,199 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 05:33:42,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 05:33:42,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 05:33:42,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 05:33:42,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 05:33:42,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 05:33:42,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 05:33:42,201 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 05:33:42,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 05:33:42,201 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 05:33:42,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 05:33:42,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 05:33:42,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 05:33:42,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 05:33:42,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 05:33:42,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:33:42,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 05:33:42,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 05:33:42,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 05:33:42,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 05:33:42,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 05:33:42,204 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 05:33:42,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 05:33:42,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 05:33:42,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 05:33:42,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 05:33:42,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 05:33:42,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 05:33:42,501 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 05:33:42,502 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_pso.oepc.i [2019-12-19 05:33:42,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b239a49ba/456d3745270b4aebbb4751043ca38ab3/FLAG1c4cee845 [2019-12-19 05:33:43,118 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 05:33:43,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_pso.oepc.i [2019-12-19 05:33:43,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b239a49ba/456d3745270b4aebbb4751043ca38ab3/FLAG1c4cee845 [2019-12-19 05:33:43,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b239a49ba/456d3745270b4aebbb4751043ca38ab3 [2019-12-19 05:33:43,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 05:33:43,418 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 05:33:43,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 05:33:43,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 05:33:43,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 05:33:43,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:33:43" (1/1) ... [2019-12-19 05:33:43,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7c87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:43, skipping insertion in model container [2019-12-19 05:33:43,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:33:43" (1/1) ... [2019-12-19 05:33:43,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 05:33:43,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 05:33:43,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:33:43,991 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 05:33:44,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:33:44,152 INFO L208 MainTranslator]: Completed translation [2019-12-19 05:33:44,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:44 WrapperNode [2019-12-19 05:33:44,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 05:33:44,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 05:33:44,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 05:33:44,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 05:33:44,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:44" (1/1) ... [2019-12-19 05:33:44,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:44" (1/1) ... [2019-12-19 05:33:44,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 05:33:44,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 05:33:44,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 05:33:44,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 05:33:44,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:44" (1/1) ... [2019-12-19 05:33:44,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:44" (1/1) ... [2019-12-19 05:33:44,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:44" (1/1) ... [2019-12-19 05:33:44,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:44" (1/1) ... [2019-12-19 05:33:44,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:44" (1/1) ... [2019-12-19 05:33:44,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:44" (1/1) ... [2019-12-19 05:33:44,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:44" (1/1) ... [2019-12-19 05:33:44,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 05:33:44,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 05:33:44,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 05:33:44,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 05:33:44,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:33:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 05:33:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-19 05:33:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 05:33:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 05:33:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-19 05:33:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-19 05:33:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-19 05:33:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-19 05:33:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-19 05:33:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 05:33:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 05:33:44,295 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-19 05:33:44,622 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 05:33:44,622 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-19 05:33:44,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:33:44 BoogieIcfgContainer [2019-12-19 05:33:44,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 05:33:44,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 05:33:44,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 05:33:44,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 05:33:44,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 05:33:43" (1/3) ... [2019-12-19 05:33:44,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513b7188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:33:44, skipping insertion in model container [2019-12-19 05:33:44,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:44" (2/3) ... [2019-12-19 05:33:44,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513b7188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:33:44, skipping insertion in model container [2019-12-19 05:33:44,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:33:44" (3/3) ... [2019-12-19 05:33:44,639 INFO L109 eAbstractionObserver]: Analyzing ICFG safe036_pso.oepc.i [2019-12-19 05:33:44,649 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 05:33:44,649 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 05:33:44,656 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-19 05:33:44,657 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 05:33:44,681 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,681 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,681 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,682 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,682 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,682 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,683 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,683 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,683 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,684 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,684 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,684 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,687 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,688 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,688 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,688 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,696 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,696 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,696 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,696 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:44,713 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-19 05:33:44,735 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 05:33:44,735 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 05:33:44,735 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 05:33:44,736 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 05:33:44,736 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 05:33:44,736 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 05:33:44,736 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 05:33:44,736 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 05:33:44,748 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 43 transitions [2019-12-19 05:33:44,776 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 287 states. [2019-12-19 05:33:44,778 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states. [2019-12-19 05:33:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-19 05:33:44,789 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:33:44,790 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:33:44,791 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:33:44,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:33:44,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1861061719, now seen corresponding path program 1 times [2019-12-19 05:33:44,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:33:44,808 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609916033] [2019-12-19 05:33:44,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:33:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:33:45,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:33:45,169 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609916033] [2019-12-19 05:33:45,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:33:45,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 05:33:45,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781305559] [2019-12-19 05:33:45,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 05:33:45,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:33:45,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 05:33:45,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 05:33:45,193 INFO L87 Difference]: Start difference. First operand 287 states. Second operand 4 states. [2019-12-19 05:33:45,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:33:45,269 INFO L93 Difference]: Finished difference Result 288 states and 647 transitions. [2019-12-19 05:33:45,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-19 05:33:45,272 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-12-19 05:33:45,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:33:45,285 INFO L225 Difference]: With dead ends: 288 [2019-12-19 05:33:45,285 INFO L226 Difference]: Without dead ends: 152 [2019-12-19 05:33:45,287 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:33:45,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-12-19 05:33:45,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2019-12-19 05:33:45,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-12-19 05:33:45,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 326 transitions. [2019-12-19 05:33:45,338 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 326 transitions. Word has length 26 [2019-12-19 05:33:45,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:33:45,339 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 326 transitions. [2019-12-19 05:33:45,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 05:33:45,339 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 326 transitions. [2019-12-19 05:33:45,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-19 05:33:45,341 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:33:45,342 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:33:45,342 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:33:45,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:33:45,343 INFO L82 PathProgramCache]: Analyzing trace with hash 824016093, now seen corresponding path program 1 times [2019-12-19 05:33:45,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:33:45,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540772425] [2019-12-19 05:33:45,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:33:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:33:45,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:33:45,510 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540772425] [2019-12-19 05:33:45,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:33:45,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 05:33:45,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473203391] [2019-12-19 05:33:45,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 05:33:45,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:33:45,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 05:33:45,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:33:45,528 INFO L87 Difference]: Start difference. First operand 152 states and 326 transitions. Second operand 5 states. [2019-12-19 05:33:45,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:33:45,602 INFO L93 Difference]: Finished difference Result 125 states and 242 transitions. [2019-12-19 05:33:45,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-19 05:33:45,606 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-19 05:33:45,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:33:45,608 INFO L225 Difference]: With dead ends: 125 [2019-12-19 05:33:45,608 INFO L226 Difference]: Without dead ends: 110 [2019-12-19 05:33:45,609 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:33:45,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-19 05:33:45,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-19 05:33:45,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-19 05:33:45,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 214 transitions. [2019-12-19 05:33:45,621 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 214 transitions. Word has length 27 [2019-12-19 05:33:45,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:33:45,621 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 214 transitions. [2019-12-19 05:33:45,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 05:33:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 214 transitions. [2019-12-19 05:33:45,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-19 05:33:45,623 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:33:45,623 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:33:45,624 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:33:45,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:33:45,624 INFO L82 PathProgramCache]: Analyzing trace with hash -904453946, now seen corresponding path program 1 times [2019-12-19 05:33:45,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:33:45,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639115187] [2019-12-19 05:33:45,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:33:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:33:45,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:33:45,803 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639115187] [2019-12-19 05:33:45,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:33:45,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:33:45,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107394050] [2019-12-19 05:33:45,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:33:45,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:33:45,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:33:45,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:33:45,806 INFO L87 Difference]: Start difference. First operand 110 states and 214 transitions. Second operand 7 states. [2019-12-19 05:33:45,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:33:45,931 INFO L93 Difference]: Finished difference Result 164 states and 331 transitions. [2019-12-19 05:33:45,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-19 05:33:45,932 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2019-12-19 05:33:45,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:33:45,933 INFO L225 Difference]: With dead ends: 164 [2019-12-19 05:33:45,933 INFO L226 Difference]: Without dead ends: 95 [2019-12-19 05:33:45,934 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-19 05:33:45,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-12-19 05:33:45,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-12-19 05:33:45,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-12-19 05:33:45,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 184 transitions. [2019-12-19 05:33:45,951 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 184 transitions. Word has length 28 [2019-12-19 05:33:45,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:33:45,952 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 184 transitions. [2019-12-19 05:33:45,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:33:45,952 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 184 transitions. [2019-12-19 05:33:45,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-19 05:33:45,955 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:33:45,956 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:33:45,956 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:33:45,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:33:45,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1329653548, now seen corresponding path program 2 times [2019-12-19 05:33:45,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:33:45,957 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830218743] [2019-12-19 05:33:45,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:33:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:33:46,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:33:46,116 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830218743] [2019-12-19 05:33:46,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:33:46,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:33:46,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988559833] [2019-12-19 05:33:46,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:33:46,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:33:46,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:33:46,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:33:46,121 INFO L87 Difference]: Start difference. First operand 95 states and 184 transitions. Second operand 7 states. [2019-12-19 05:33:46,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:33:46,221 INFO L93 Difference]: Finished difference Result 77 states and 142 transitions. [2019-12-19 05:33:46,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-19 05:33:46,221 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2019-12-19 05:33:46,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:33:46,222 INFO L225 Difference]: With dead ends: 77 [2019-12-19 05:33:46,222 INFO L226 Difference]: Without dead ends: 0 [2019-12-19 05:33:46,223 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-19 05:33:46,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-19 05:33:46,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-19 05:33:46,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-19 05:33:46,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-19 05:33:46,224 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2019-12-19 05:33:46,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:33:46,224 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-19 05:33:46,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:33:46,225 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-19 05:33:46,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-19 05:33:46,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 05:33:46 BasicIcfg [2019-12-19 05:33:46,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-19 05:33:46,233 INFO L168 Benchmark]: Toolchain (without parser) took 2814.30 ms. Allocated memory was 145.8 MB in the beginning and 236.5 MB in the end (delta: 90.7 MB). Free memory was 101.9 MB in the beginning and 140.9 MB in the end (delta: -39.0 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB. [2019-12-19 05:33:46,234 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-19 05:33:46,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.82 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 101.5 MB in the beginning and 161.5 MB in the end (delta: -60.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-12-19 05:33:46,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.11 ms. Allocated memory is still 203.9 MB. Free memory was 161.5 MB in the beginning and 159.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-19 05:33:46,237 INFO L168 Benchmark]: Boogie Preprocessor took 26.88 ms. Allocated memory is still 203.9 MB. Free memory was 159.4 MB in the beginning and 157.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-19 05:33:46,238 INFO L168 Benchmark]: RCFGBuilder took 396.66 ms. Allocated memory is still 203.9 MB. Free memory was 157.5 MB in the beginning and 139.5 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2019-12-19 05:33:46,239 INFO L168 Benchmark]: TraceAbstraction took 1604.78 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 138.9 MB in the beginning and 140.9 MB in the end (delta: -2.0 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2019-12-19 05:33:46,243 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 732.82 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 101.5 MB in the beginning and 161.5 MB in the end (delta: -60.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.11 ms. Allocated memory is still 203.9 MB. Free memory was 161.5 MB in the beginning and 159.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.88 ms. Allocated memory is still 203.9 MB. Free memory was 159.4 MB in the beginning and 157.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 396.66 ms. Allocated memory is still 203.9 MB. Free memory was 157.5 MB in the beginning and 139.5 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1604.78 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 138.9 MB in the beginning and 140.9 MB in the end (delta: -2.0 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 43 locations, 1 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 155 SDtfs, 150 SDslu, 402 SDs, 0 SdLazy, 56 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 7005 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...