/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-17 18:23:39,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-17 18:23:39,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-17 18:23:39,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-17 18:23:39,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-17 18:23:39,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-17 18:23:39,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-17 18:23:39,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-17 18:23:39,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-17 18:23:39,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-17 18:23:39,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-17 18:23:39,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-17 18:23:39,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-17 18:23:39,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-17 18:23:39,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-17 18:23:39,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-17 18:23:39,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-17 18:23:39,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-17 18:23:39,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-17 18:23:39,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-17 18:23:39,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-17 18:23:39,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-17 18:23:39,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-17 18:23:39,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-17 18:23:39,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-17 18:23:39,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-17 18:23:39,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-17 18:23:39,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-17 18:23:39,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-17 18:23:39,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-17 18:23:39,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-17 18:23:39,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-17 18:23:39,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-17 18:23:39,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-17 18:23:39,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-17 18:23:39,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-17 18:23:39,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-17 18:23:39,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-17 18:23:39,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-17 18:23:39,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-17 18:23:39,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-17 18:23:39,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-04-17 18:23:39,243 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-17 18:23:39,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-17 18:23:39,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-17 18:23:39,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-17 18:23:39,245 INFO L138 SettingsManager]: * Use SBE=true [2020-04-17 18:23:39,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-17 18:23:39,245 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-17 18:23:39,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-17 18:23:39,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-17 18:23:39,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-17 18:23:39,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-17 18:23:39,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-17 18:23:39,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-17 18:23:39,247 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-17 18:23:39,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-17 18:23:39,247 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-17 18:23:39,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-17 18:23:39,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-17 18:23:39,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-17 18:23:39,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-17 18:23:39,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-17 18:23:39,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-17 18:23:39,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-17 18:23:39,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-17 18:23:39,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-17 18:23:39,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-17 18:23:39,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-17 18:23:39,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-17 18:23:39,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-04-17 18:23:39,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-17 18:23:39,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-17 18:23:39,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-17 18:23:39,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-17 18:23:39,545 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-17 18:23:39,546 INFO L275 PluginConnector]: CDTParser initialized [2020-04-17 18:23:39,546 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i [2020-04-17 18:23:39,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cd031a4b/e0bf9fc78adc47a0b9c5ab7ed3d1b1f9/FLAG0b13e3fe5 [2020-04-17 18:23:40,160 INFO L306 CDTParser]: Found 1 translation units. [2020-04-17 18:23:40,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i [2020-04-17 18:23:40,181 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cd031a4b/e0bf9fc78adc47a0b9c5ab7ed3d1b1f9/FLAG0b13e3fe5 [2020-04-17 18:23:40,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cd031a4b/e0bf9fc78adc47a0b9c5ab7ed3d1b1f9 [2020-04-17 18:23:40,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-17 18:23:40,466 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-17 18:23:40,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-17 18:23:40,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-17 18:23:40,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-17 18:23:40,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 06:23:40" (1/1) ... [2020-04-17 18:23:40,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b6abf99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:23:40, skipping insertion in model container [2020-04-17 18:23:40,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 06:23:40" (1/1) ... [2020-04-17 18:23:40,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-17 18:23:40,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-17 18:23:41,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 18:23:41,034 INFO L203 MainTranslator]: Completed pre-run [2020-04-17 18:23:41,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 18:23:41,193 INFO L208 MainTranslator]: Completed translation [2020-04-17 18:23:41,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:23:41 WrapperNode [2020-04-17 18:23:41,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-17 18:23:41,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-17 18:23:41,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-17 18:23:41,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-17 18:23:41,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:23:41" (1/1) ... [2020-04-17 18:23:41,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:23:41" (1/1) ... [2020-04-17 18:23:41,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-17 18:23:41,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-17 18:23:41,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-17 18:23:41,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-17 18:23:41,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:23:41" (1/1) ... [2020-04-17 18:23:41,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:23:41" (1/1) ... [2020-04-17 18:23:41,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:23:41" (1/1) ... [2020-04-17 18:23:41,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:23:41" (1/1) ... [2020-04-17 18:23:41,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:23:41" (1/1) ... [2020-04-17 18:23:41,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:23:41" (1/1) ... [2020-04-17 18:23:41,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:23:41" (1/1) ... [2020-04-17 18:23:41,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-17 18:23:41,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-17 18:23:41,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-17 18:23:41,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-17 18:23:41,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:23:41" (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 [2020-04-17 18:23:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-17 18:23:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-04-17 18:23:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-17 18:23:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-17 18:23:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-04-17 18:23:41,337 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-04-17 18:23:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-04-17 18:23:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-04-17 18:23:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-04-17 18:23:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-04-17 18:23:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-04-17 18:23:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-17 18:23:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-17 18:23:41,340 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-17 18:23:41,720 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-17 18:23:41,721 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-04-17 18:23:41,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 06:23:41 BoogieIcfgContainer [2020-04-17 18:23:41,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-17 18:23:41,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-17 18:23:41,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-17 18:23:41,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-17 18:23:41,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 06:23:40" (1/3) ... [2020-04-17 18:23:41,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af8953f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 06:23:41, skipping insertion in model container [2020-04-17 18:23:41,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:23:41" (2/3) ... [2020-04-17 18:23:41,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af8953f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 06:23:41, skipping insertion in model container [2020-04-17 18:23:41,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 06:23:41" (3/3) ... [2020-04-17 18:23:41,737 INFO L109 eAbstractionObserver]: Analyzing ICFG thin001_tso.oepc.i [2020-04-17 18:23:41,747 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-17 18:23:41,747 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-17 18:23:41,755 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-17 18:23:41,756 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-17 18:23:41,780 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,781 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,781 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,781 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,782 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,782 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,783 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,783 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,783 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,784 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,784 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,784 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,785 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,785 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,785 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,785 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,786 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,786 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,790 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,791 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,791 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,791 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,797 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,797 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,797 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,798 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,800 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,800 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,801 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,801 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:23:41,817 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-17 18:23:41,833 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 18:23:41,833 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 18:23:41,833 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 18:23:41,833 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 18:23:41,833 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 18:23:41,834 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 18:23:41,834 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 18:23:41,834 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 18:23:41,849 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-04-17 18:23:41,851 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-04-17 18:23:41,896 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-04-17 18:23:41,897 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-17 18:23:41,902 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. [2020-04-17 18:23:41,905 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-04-17 18:23:41,925 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-04-17 18:23:41,926 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-17 18:23:41,926 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. [2020-04-17 18:23:41,929 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-04-17 18:23:41,930 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-17 18:23:43,460 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-04-17 18:23:43,580 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2463 [2020-04-17 18:23:43,581 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-04-17 18:23:43,586 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-04-17 18:23:43,628 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-04-17 18:23:43,630 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-04-17 18:23:43,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-17 18:23:43,637 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:23:43,637 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:23:43,638 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:23:43,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:23:43,642 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times [2020-04-17 18:23:43,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:23:43,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623314988] [2020-04-17 18:23:43,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:23:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:23:43,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:23:43,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623314988] [2020-04-17 18:23:43,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:23:43,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 18:23:43,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169298762] [2020-04-17 18:23:43,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-17 18:23:43,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:23:43,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-17 18:23:43,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 18:23:43,858 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-04-17 18:23:43,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:23:43,892 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-04-17 18:23:43,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-17 18:23:43,893 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-04-17 18:23:43,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:23:43,910 INFO L225 Difference]: With dead ends: 362 [2020-04-17 18:23:43,910 INFO L226 Difference]: Without dead ends: 298 [2020-04-17 18:23:43,912 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 18:23:43,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-04-17 18:23:43,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-04-17 18:23:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-04-17 18:23:43,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-04-17 18:23:43,990 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-04-17 18:23:43,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:23:43,991 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-04-17 18:23:43,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-17 18:23:43,991 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-04-17 18:23:43,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-17 18:23:43,993 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:23:43,993 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:23:43,993 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:23:43,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:23:43,994 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times [2020-04-17 18:23:43,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:23:43,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350701340] [2020-04-17 18:23:43,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:23:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:23:44,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:23:44,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350701340] [2020-04-17 18:23:44,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:23:44,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 18:23:44,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909635149] [2020-04-17 18:23:44,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-17 18:23:44,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:23:44,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-17 18:23:44,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-17 18:23:44,165 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-04-17 18:23:44,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:23:44,207 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions. [2020-04-17 18:23:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 18:23:44,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-04-17 18:23:44,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:23:44,217 INFO L225 Difference]: With dead ends: 330 [2020-04-17 18:23:44,217 INFO L226 Difference]: Without dead ends: 266 [2020-04-17 18:23:44,221 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 [2020-04-17 18:23:44,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-04-17 18:23:44,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-04-17 18:23:44,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-04-17 18:23:44,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions. [2020-04-17 18:23:44,261 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9 [2020-04-17 18:23:44,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:23:44,262 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions. [2020-04-17 18:23:44,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-17 18:23:44,263 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-04-17 18:23:44,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-17 18:23:44,266 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:23:44,266 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:23:44,267 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:23:44,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:23:44,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1226466257, now seen corresponding path program 1 times [2020-04-17 18:23:44,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:23:44,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673941458] [2020-04-17 18:23:44,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:23:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:23:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:23:44,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673941458] [2020-04-17 18:23:44,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:23:44,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 18:23:44,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398003808] [2020-04-17 18:23:44,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-17 18:23:44,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:23:44,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-17 18:23:44,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-17 18:23:44,393 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 4 states. [2020-04-17 18:23:44,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:23:44,423 INFO L93 Difference]: Finished difference Result 290 states and 786 transitions. [2020-04-17 18:23:44,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 18:23:44,424 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-04-17 18:23:44,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:23:44,429 INFO L225 Difference]: With dead ends: 290 [2020-04-17 18:23:44,429 INFO L226 Difference]: Without dead ends: 242 [2020-04-17 18:23:44,430 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 [2020-04-17 18:23:44,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-04-17 18:23:44,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-04-17 18:23:44,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-04-17 18:23:44,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 670 transitions. [2020-04-17 18:23:44,467 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 670 transitions. Word has length 10 [2020-04-17 18:23:44,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:23:44,469 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 670 transitions. [2020-04-17 18:23:44,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-17 18:23:44,470 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-04-17 18:23:44,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-04-17 18:23:44,475 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:23:44,475 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:23:44,475 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:23:44,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:23:44,476 INFO L82 PathProgramCache]: Analyzing trace with hash -635370963, now seen corresponding path program 1 times [2020-04-17 18:23:44,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:23:44,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564863919] [2020-04-17 18:23:44,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:23:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:23:44,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:23:44,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564863919] [2020-04-17 18:23:44,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:23:44,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 18:23:44,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012565965] [2020-04-17 18:23:44,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-17 18:23:44,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:23:44,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-17 18:23:44,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-17 18:23:44,583 INFO L87 Difference]: Start difference. First operand 242 states and 670 transitions. Second operand 5 states. [2020-04-17 18:23:44,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:23:44,649 INFO L93 Difference]: Finished difference Result 302 states and 815 transitions. [2020-04-17 18:23:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-17 18:23:44,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-04-17 18:23:44,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:23:44,651 INFO L225 Difference]: With dead ends: 302 [2020-04-17 18:23:44,652 INFO L226 Difference]: Without dead ends: 170 [2020-04-17 18:23:44,652 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-04-17 18:23:44,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-04-17 18:23:44,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2020-04-17 18:23:44,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-04-17 18:23:44,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 432 transitions. [2020-04-17 18:23:44,660 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 432 transitions. Word has length 11 [2020-04-17 18:23:44,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:23:44,660 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 432 transitions. [2020-04-17 18:23:44,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-17 18:23:44,661 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 432 transitions. [2020-04-17 18:23:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-17 18:23:44,662 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:23:44,662 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:23:44,663 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:23:44,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:23:44,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1751358773, now seen corresponding path program 1 times [2020-04-17 18:23:44,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:23:44,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724416648] [2020-04-17 18:23:44,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:23:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:23:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:23:44,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724416648] [2020-04-17 18:23:44,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:23:44,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 18:23:44,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236236085] [2020-04-17 18:23:44,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-17 18:23:44,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:23:44,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-17 18:23:44,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-04-17 18:23:44,803 INFO L87 Difference]: Start difference. First operand 170 states and 432 transitions. Second operand 5 states. [2020-04-17 18:23:44,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:23:44,865 INFO L93 Difference]: Finished difference Result 182 states and 446 transitions. [2020-04-17 18:23:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-04-17 18:23:44,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-04-17 18:23:44,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:23:44,867 INFO L225 Difference]: With dead ends: 182 [2020-04-17 18:23:44,867 INFO L226 Difference]: Without dead ends: 158 [2020-04-17 18:23:44,868 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-04-17 18:23:44,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-04-17 18:23:44,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-04-17 18:23:44,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-04-17 18:23:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 394 transitions. [2020-04-17 18:23:44,874 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 394 transitions. Word has length 12 [2020-04-17 18:23:44,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:23:44,874 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 394 transitions. [2020-04-17 18:23:44,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-17 18:23:44,874 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 394 transitions. [2020-04-17 18:23:44,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-17 18:23:44,875 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:23:44,875 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:23:44,876 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:23:44,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:23:44,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1491329578, now seen corresponding path program 1 times [2020-04-17 18:23:44,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:23:44,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726640576] [2020-04-17 18:23:44,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:23:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:23:44,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:23:44,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726640576] [2020-04-17 18:23:44,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:23:44,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 18:23:44,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270823345] [2020-04-17 18:23:44,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-17 18:23:44,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:23:44,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-17 18:23:44,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-17 18:23:44,928 INFO L87 Difference]: Start difference. First operand 158 states and 394 transitions. Second operand 5 states. [2020-04-17 18:23:44,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:23:44,968 INFO L93 Difference]: Finished difference Result 212 states and 513 transitions. [2020-04-17 18:23:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-17 18:23:44,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-04-17 18:23:44,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:23:44,970 INFO L225 Difference]: With dead ends: 212 [2020-04-17 18:23:44,970 INFO L226 Difference]: Without dead ends: 98 [2020-04-17 18:23:44,971 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-04-17 18:23:44,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-04-17 18:23:44,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-04-17 18:23:44,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-04-17 18:23:44,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 218 transitions. [2020-04-17 18:23:44,975 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 218 transitions. Word has length 13 [2020-04-17 18:23:44,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:23:44,975 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 218 transitions. [2020-04-17 18:23:44,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-17 18:23:44,975 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-04-17 18:23:44,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-17 18:23:44,976 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:23:44,976 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:23:44,976 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:23:44,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:23:44,977 INFO L82 PathProgramCache]: Analyzing trace with hash -647415272, now seen corresponding path program 1 times [2020-04-17 18:23:44,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:23:44,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127280438] [2020-04-17 18:23:44,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:23:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:23:45,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:23:45,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127280438] [2020-04-17 18:23:45,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:23:45,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 18:23:45,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209464220] [2020-04-17 18:23:45,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-17 18:23:45,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:23:45,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-17 18:23:45,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-17 18:23:45,029 INFO L87 Difference]: Start difference. First operand 98 states and 218 transitions. Second operand 5 states. [2020-04-17 18:23:45,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:23:45,061 INFO L93 Difference]: Finished difference Result 86 states and 186 transitions. [2020-04-17 18:23:45,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-17 18:23:45,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-04-17 18:23:45,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:23:45,063 INFO L225 Difference]: With dead ends: 86 [2020-04-17 18:23:45,063 INFO L226 Difference]: Without dead ends: 0 [2020-04-17 18:23:45,063 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-04-17 18:23:45,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-17 18:23:45,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-17 18:23:45,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-17 18:23:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-17 18:23:45,064 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-04-17 18:23:45,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:23:45,064 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-17 18:23:45,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-17 18:23:45,064 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-17 18:23:45,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-17 18:23:45,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 06:23:45 BasicIcfg [2020-04-17 18:23:45,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-17 18:23:45,071 INFO L168 Benchmark]: Toolchain (without parser) took 4625.85 ms. Allocated memory was 141.0 MB in the beginning and 243.8 MB in the end (delta: 102.8 MB). Free memory was 104.4 MB in the beginning and 163.8 MB in the end (delta: -59.3 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. [2020-04-17 18:23:45,072 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 141.0 MB. Free memory was 124.2 MB in the beginning and 124.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-17 18:23:45,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.62 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.4 MB in the beginning and 162.4 MB in the end (delta: -60.0 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2020-04-17 18:23:45,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.13 ms. Allocated memory is still 204.5 MB. Free memory was 162.4 MB in the beginning and 159.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-04-17 18:23:45,074 INFO L168 Benchmark]: Boogie Preprocessor took 31.41 ms. Allocated memory is still 204.5 MB. Free memory was 159.8 MB in the beginning and 158.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-04-17 18:23:45,075 INFO L168 Benchmark]: RCFGBuilder took 445.55 ms. Allocated memory is still 204.5 MB. Free memory was 158.6 MB in the beginning and 136.2 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-04-17 18:23:45,076 INFO L168 Benchmark]: TraceAbstraction took 3340.17 ms. Allocated memory was 204.5 MB in the beginning and 243.8 MB in the end (delta: 39.3 MB). Free memory was 135.6 MB in the beginning and 163.8 MB in the end (delta: -28.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2020-04-17 18:23:45,080 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 141.0 MB. Free memory was 124.2 MB in the beginning and 124.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 726.62 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.4 MB in the beginning and 162.4 MB in the end (delta: -60.0 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 56.13 ms. Allocated memory is still 204.5 MB. Free memory was 162.4 MB in the beginning and 159.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.41 ms. Allocated memory is still 204.5 MB. Free memory was 159.8 MB in the beginning and 158.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 445.55 ms. Allocated memory is still 204.5 MB. Free memory was 158.6 MB in the beginning and 136.2 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3340.17 ms. Allocated memory was 204.5 MB in the beginning and 243.8 MB in the end (delta: 39.3 MB). Free memory was 135.6 MB in the beginning and 163.8 MB in the end (delta: -28.1 MB). Peak memory consumption was 11.2 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, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 688 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 2463 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: 3.2s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 151 SDtfs, 171 SDslu, 225 SDs, 0 SdLazy, 66 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 2556 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...