/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-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe024_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 02:36:58,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 02:36:58,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 02:36:58,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 02:36:58,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 02:36:58,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 02:36:58,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 02:36:58,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 02:36:58,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 02:36:58,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 02:36:58,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 02:36:58,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 02:36:58,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 02:36:58,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 02:36:58,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 02:36:58,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 02:36:58,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 02:36:58,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 02:36:58,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 02:36:58,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 02:36:58,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 02:36:58,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 02:36:58,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 02:36:58,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 02:36:58,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 02:36:58,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 02:36:58,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 02:36:58,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 02:36:58,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 02:36:58,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 02:36:58,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 02:36:58,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 02:36:58,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 02:36:58,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 02:36:58,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 02:36:58,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 02:36:58,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 02:36:58,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 02:36:58,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 02:36:58,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 02:36:58,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 02:36:58,245 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-VariableLbe.epf [2020-04-18 02:36:58,260 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 02:36:58,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 02:36:58,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 02:36:58,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 02:36:58,262 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 02:36:58,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 02:36:58,262 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 02:36:58,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 02:36:58,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 02:36:58,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 02:36:58,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 02:36:58,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 02:36:58,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 02:36:58,264 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 02:36:58,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 02:36:58,264 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 02:36:58,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 02:36:58,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 02:36:58,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 02:36:58,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 02:36:58,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 02:36:58,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 02:36:58,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 02:36:58,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 02:36:58,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 02:36:58,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-18 02:36:58,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 02:36:58,266 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 02:36:58,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 02:36:58,267 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 02:36:58,554 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 02:36:58,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 02:36:58,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 02:36:58,578 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 02:36:58,578 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 02:36:58,579 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe024_tso.oepc.i [2020-04-18 02:36:58,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7297fbe2c/00157177e2ac40ab9b150c1df39c1afb/FLAG6e3daf440 [2020-04-18 02:36:59,241 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 02:36:59,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe024_tso.oepc.i [2020-04-18 02:36:59,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7297fbe2c/00157177e2ac40ab9b150c1df39c1afb/FLAG6e3daf440 [2020-04-18 02:36:59,500 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7297fbe2c/00157177e2ac40ab9b150c1df39c1afb [2020-04-18 02:36:59,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 02:36:59,534 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 02:36:59,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 02:36:59,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 02:36:59,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 02:36:59,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:36:59" (1/1) ... [2020-04-18 02:36:59,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2748702d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:36:59, skipping insertion in model container [2020-04-18 02:36:59,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:36:59" (1/1) ... [2020-04-18 02:36:59,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 02:36:59,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 02:37:00,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 02:37:00,026 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 02:37:00,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 02:37:00,151 INFO L208 MainTranslator]: Completed translation [2020-04-18 02:37:00,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:37:00 WrapperNode [2020-04-18 02:37:00,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 02:37:00,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 02:37:00,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 02:37:00,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 02:37:00,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:37:00" (1/1) ... [2020-04-18 02:37:00,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:37:00" (1/1) ... [2020-04-18 02:37:00,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 02:37:00,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 02:37:00,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 02:37:00,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 02:37:00,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:37:00" (1/1) ... [2020-04-18 02:37:00,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:37:00" (1/1) ... [2020-04-18 02:37:00,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:37:00" (1/1) ... [2020-04-18 02:37:00,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:37:00" (1/1) ... [2020-04-18 02:37:00,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:37:00" (1/1) ... [2020-04-18 02:37:00,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:37:00" (1/1) ... [2020-04-18 02:37:00,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:37:00" (1/1) ... [2020-04-18 02:37:00,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 02:37:00,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 02:37:00,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 02:37:00,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 02:37:00,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:37:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 02:37:00,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 02:37:00,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-04-18 02:37:00,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 02:37:00,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 02:37:00,310 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-04-18 02:37:00,311 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-04-18 02:37:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-04-18 02:37:00,312 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-04-18 02:37:00,312 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-04-18 02:37:00,313 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-04-18 02:37:00,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-04-18 02:37:00,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 02:37:00,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 02:37:00,315 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 02:37:00,747 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 02:37:00,747 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-04-18 02:37:00,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:37:00 BoogieIcfgContainer [2020-04-18 02:37:00,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 02:37:00,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 02:37:00,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 02:37:00,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 02:37:00,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 02:36:59" (1/3) ... [2020-04-18 02:37:00,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368fc580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:37:00, skipping insertion in model container [2020-04-18 02:37:00,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:37:00" (2/3) ... [2020-04-18 02:37:00,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368fc580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:37:00, skipping insertion in model container [2020-04-18 02:37:00,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:37:00" (3/3) ... [2020-04-18 02:37:00,761 INFO L109 eAbstractionObserver]: Analyzing ICFG safe024_tso.oepc.i [2020-04-18 02:37:00,772 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 02:37:00,772 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 02:37:00,780 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 02:37:00,781 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 02:37:00,810 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,811 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,811 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,812 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,813 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,813 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,814 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,815 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,815 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,815 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,816 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,816 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,818 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,818 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,818 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,818 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,819 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,819 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,825 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,826 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,826 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,826 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,835 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,836 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,836 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,836 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,839 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,839 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,839 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,839 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:37:00,858 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-18 02:37:00,881 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 02:37:00,882 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 02:37:00,882 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 02:37:00,882 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 02:37:00,882 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 02:37:00,882 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 02:37:00,883 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 02:37:00,883 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 02:37:00,899 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-04-18 02:37:00,901 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-04-18 02:37:00,945 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-04-18 02:37:00,946 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 02:37:00,951 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-04-18 02:37:00,954 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-04-18 02:37:00,984 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-04-18 02:37:00,984 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 02:37:00,985 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-04-18 02:37:00,987 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-04-18 02:37:00,988 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 02:37:02,457 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-04-18 02:37:02,686 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2585 [2020-04-18 02:37:02,686 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-04-18 02:37:02,690 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 21 transitions, 57 flow [2020-04-18 02:37:02,715 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-04-18 02:37:02,717 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-04-18 02:37:02,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 02:37:02,725 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:37:02,726 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:37:02,726 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:37:02,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:37:02,732 INFO L82 PathProgramCache]: Analyzing trace with hash -595431234, now seen corresponding path program 1 times [2020-04-18 02:37:02,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:37:02,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573455281] [2020-04-18 02:37:02,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:37:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:37:02,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:37:02,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573455281] [2020-04-18 02:37:02,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:37:02,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-04-18 02:37:02,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203404587] [2020-04-18 02:37:02,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 02:37:02,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:37:02,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 02:37:02,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 02:37:02,966 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-04-18 02:37:03,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:37:03,017 INFO L93 Difference]: Finished difference Result 282 states and 808 transitions. [2020-04-18 02:37:03,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 02:37:03,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-18 02:37:03,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:37:03,035 INFO L225 Difference]: With dead ends: 282 [2020-04-18 02:37:03,036 INFO L226 Difference]: Without dead ends: 218 [2020-04-18 02:37:03,037 INFO L678 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 [2020-04-18 02:37:03,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-04-18 02:37:03,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2020-04-18 02:37:03,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-04-18 02:37:03,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 600 transitions. [2020-04-18 02:37:03,098 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 600 transitions. Word has length 8 [2020-04-18 02:37:03,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:37:03,099 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 600 transitions. [2020-04-18 02:37:03,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 02:37:03,100 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions. [2020-04-18 02:37:03,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 02:37:03,101 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:37:03,101 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:37:03,102 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:37:03,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:37:03,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1278499900, now seen corresponding path program 1 times [2020-04-18 02:37:03,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:37:03,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650762127] [2020-04-18 02:37:03,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:37:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:37:03,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:37:03,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650762127] [2020-04-18 02:37:03,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:37:03,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:37:03,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076042565] [2020-04-18 02:37:03,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:37:03,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:37:03,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:37:03,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:37:03,198 INFO L87 Difference]: Start difference. First operand 218 states and 600 transitions. Second operand 4 states. [2020-04-18 02:37:03,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:37:03,227 INFO L93 Difference]: Finished difference Result 242 states and 634 transitions. [2020-04-18 02:37:03,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:37:03,228 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-04-18 02:37:03,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:37:03,230 INFO L225 Difference]: With dead ends: 242 [2020-04-18 02:37:03,230 INFO L226 Difference]: Without dead ends: 146 [2020-04-18 02:37:03,231 INFO L678 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 [2020-04-18 02:37:03,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-04-18 02:37:03,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-04-18 02:37:03,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-04-18 02:37:03,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 362 transitions. [2020-04-18 02:37:03,247 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 362 transitions. Word has length 9 [2020-04-18 02:37:03,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:37:03,247 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 362 transitions. [2020-04-18 02:37:03,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:37:03,248 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 362 transitions. [2020-04-18 02:37:03,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-04-18 02:37:03,249 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:37:03,249 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:37:03,249 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:37:03,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:37:03,250 INFO L82 PathProgramCache]: Analyzing trace with hash -453706064, now seen corresponding path program 1 times [2020-04-18 02:37:03,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:37:03,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880348029] [2020-04-18 02:37:03,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:37:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:37:03,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:37:03,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880348029] [2020-04-18 02:37:03,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:37:03,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:37:03,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620238579] [2020-04-18 02:37:03,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:37:03,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:37:03,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:37:03,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:37:03,374 INFO L87 Difference]: Start difference. First operand 146 states and 362 transitions. Second operand 4 states. [2020-04-18 02:37:03,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:37:03,415 INFO L93 Difference]: Finished difference Result 165 states and 377 transitions. [2020-04-18 02:37:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 02:37:03,415 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-04-18 02:37:03,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:37:03,417 INFO L225 Difference]: With dead ends: 165 [2020-04-18 02:37:03,417 INFO L226 Difference]: Without dead ends: 125 [2020-04-18 02:37:03,418 INFO L678 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 [2020-04-18 02:37:03,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-04-18 02:37:03,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-04-18 02:37:03,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-04-18 02:37:03,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 284 transitions. [2020-04-18 02:37:03,428 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 284 transitions. Word has length 11 [2020-04-18 02:37:03,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:37:03,429 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 284 transitions. [2020-04-18 02:37:03,429 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:37:03,429 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 284 transitions. [2020-04-18 02:37:03,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-18 02:37:03,430 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:37:03,430 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:37:03,430 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:37:03,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:37:03,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1227187402, now seen corresponding path program 1 times [2020-04-18 02:37:03,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:37:03,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771486701] [2020-04-18 02:37:03,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:37:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:37:03,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:37:03,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771486701] [2020-04-18 02:37:03,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:37:03,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:37:03,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961219470] [2020-04-18 02:37:03,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 02:37:03,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:37:03,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 02:37:03,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-04-18 02:37:03,501 INFO L87 Difference]: Start difference. First operand 125 states and 284 transitions. Second operand 5 states. [2020-04-18 02:37:03,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:37:03,544 INFO L93 Difference]: Finished difference Result 122 states and 258 transitions. [2020-04-18 02:37:03,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-18 02:37:03,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-04-18 02:37:03,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:37:03,546 INFO L225 Difference]: With dead ends: 122 [2020-04-18 02:37:03,546 INFO L226 Difference]: Without dead ends: 97 [2020-04-18 02:37:03,546 INFO L678 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 [2020-04-18 02:37:03,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-04-18 02:37:03,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-04-18 02:37:03,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-04-18 02:37:03,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 202 transitions. [2020-04-18 02:37:03,554 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 202 transitions. Word has length 12 [2020-04-18 02:37:03,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:37:03,554 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 202 transitions. [2020-04-18 02:37:03,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 02:37:03,555 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 202 transitions. [2020-04-18 02:37:03,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-18 02:37:03,556 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:37:03,556 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:37:03,556 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:37:03,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:37:03,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1770525280, now seen corresponding path program 1 times [2020-04-18 02:37:03,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:37:03,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111111919] [2020-04-18 02:37:03,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:37:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:37:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:37:03,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111111919] [2020-04-18 02:37:03,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:37:03,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 02:37:03,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151060321] [2020-04-18 02:37:03,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 02:37:03,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:37:03,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 02:37:03,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-04-18 02:37:03,691 INFO L87 Difference]: Start difference. First operand 97 states and 202 transitions. Second operand 6 states. [2020-04-18 02:37:03,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:37:03,765 INFO L93 Difference]: Finished difference Result 92 states and 190 transitions. [2020-04-18 02:37:03,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-04-18 02:37:03,766 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-04-18 02:37:03,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:37:03,767 INFO L225 Difference]: With dead ends: 92 [2020-04-18 02:37:03,767 INFO L226 Difference]: Without dead ends: 84 [2020-04-18 02:37:03,768 INFO L678 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 [2020-04-18 02:37:03,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-04-18 02:37:03,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-04-18 02:37:03,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-04-18 02:37:03,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 176 transitions. [2020-04-18 02:37:03,786 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 176 transitions. Word has length 14 [2020-04-18 02:37:03,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:37:03,786 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 176 transitions. [2020-04-18 02:37:03,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 02:37:03,786 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 176 transitions. [2020-04-18 02:37:03,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-04-18 02:37:03,787 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:37:03,787 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:37:03,788 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:37:03,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:37:03,788 INFO L82 PathProgramCache]: Analyzing trace with hash -793372783, now seen corresponding path program 1 times [2020-04-18 02:37:03,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:37:03,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079687853] [2020-04-18 02:37:03,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:37:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:37:03,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:37:03,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079687853] [2020-04-18 02:37:03,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:37:03,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:37:03,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570559472] [2020-04-18 02:37:03,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:37:03,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:37:03,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:37:03,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:37:03,876 INFO L87 Difference]: Start difference. First operand 84 states and 176 transitions. Second operand 4 states. [2020-04-18 02:37:03,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:37:03,893 INFO L93 Difference]: Finished difference Result 115 states and 234 transitions. [2020-04-18 02:37:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:37:03,893 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-04-18 02:37:03,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:37:03,894 INFO L225 Difference]: With dead ends: 115 [2020-04-18 02:37:03,894 INFO L226 Difference]: Without dead ends: 54 [2020-04-18 02:37:03,894 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 02:37:03,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-04-18 02:37:03,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-04-18 02:37:03,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-04-18 02:37:03,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 98 transitions. [2020-04-18 02:37:03,898 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 98 transitions. Word has length 17 [2020-04-18 02:37:03,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:37:03,898 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 98 transitions. [2020-04-18 02:37:03,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:37:03,899 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2020-04-18 02:37:03,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-04-18 02:37:03,902 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:37:03,902 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:37:03,903 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:37:03,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:37:03,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1598285289, now seen corresponding path program 2 times [2020-04-18 02:37:03,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:37:03,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826118755] [2020-04-18 02:37:03,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:37:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:37:03,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:37:03,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826118755] [2020-04-18 02:37:03,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:37:03,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:37:03,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547636177] [2020-04-18 02:37:03,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:37:03,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:37:03,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:37:03,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:37:03,975 INFO L87 Difference]: Start difference. First operand 54 states and 98 transitions. Second operand 4 states. [2020-04-18 02:37:03,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:37:03,988 INFO L93 Difference]: Finished difference Result 53 states and 97 transitions. [2020-04-18 02:37:03,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:37:03,989 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-04-18 02:37:03,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:37:03,989 INFO L225 Difference]: With dead ends: 53 [2020-04-18 02:37:03,989 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 02:37:03,990 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 02:37:03,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 02:37:03,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 02:37:03,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 02:37:03,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 02:37:03,991 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-04-18 02:37:03,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:37:03,991 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 02:37:03,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:37:03,992 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 02:37:03,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 02:37:03,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 02:37:03 BasicIcfg [2020-04-18 02:37:03,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 02:37:03,998 INFO L168 Benchmark]: Toolchain (without parser) took 4486.94 ms. Allocated memory was 136.3 MB in the beginning and 252.7 MB in the end (delta: 116.4 MB). Free memory was 99.4 MB in the beginning and 88.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 127.8 MB. Max. memory is 7.1 GB. [2020-04-18 02:37:03,999 INFO L168 Benchmark]: CDTParser took 1.46 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-18 02:37:04,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.77 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 97.4 MB in the beginning and 155.0 MB in the end (delta: -57.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-04-18 02:37:04,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.95 ms. Allocated memory is still 199.8 MB. Free memory was 155.0 MB in the beginning and 152.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-04-18 02:37:04,001 INFO L168 Benchmark]: Boogie Preprocessor took 29.12 ms. Allocated memory is still 199.8 MB. Free memory was 152.5 MB in the beginning and 151.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-04-18 02:37:04,002 INFO L168 Benchmark]: RCFGBuilder took 516.72 ms. Allocated memory is still 199.8 MB. Free memory was 151.1 MB in the beginning and 128.2 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-04-18 02:37:04,003 INFO L168 Benchmark]: TraceAbstraction took 3242.73 ms. Allocated memory was 199.8 MB in the beginning and 252.7 MB in the end (delta: 53.0 MB). Free memory was 128.2 MB in the beginning and 88.0 MB in the end (delta: 40.2 MB). Peak memory consumption was 93.1 MB. Max. memory is 7.1 GB. [2020-04-18 02:37:04,008 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 616.77 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 97.4 MB in the beginning and 155.0 MB in the end (delta: -57.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.95 ms. Allocated memory is still 199.8 MB. Free memory was 155.0 MB in the beginning and 152.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.12 ms. Allocated memory is still 199.8 MB. Free memory was 152.5 MB in the beginning and 151.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 516.72 ms. Allocated memory is still 199.8 MB. Free memory was 151.1 MB in the beginning and 128.2 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3242.73 ms. Allocated memory was 199.8 MB in the beginning and 252.7 MB in the end (delta: 53.0 MB). Free memory was 128.2 MB in the beginning and 88.0 MB in the end (delta: 40.2 MB). Peak memory consumption was 93.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.7s, 79 ProgramPointsBefore, 31 ProgramPointsAfterwards, 71 TransitionsBefore, 21 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 7 FixpointIterations, 15 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 641 VarBasedMoverChecksPositive, 24 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2585 CheckedPairsTotal, 57 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, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: 137 SDtfs, 139 SDslu, 182 SDs, 0 SdLazy, 96 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 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, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 2985 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...