/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/safe037_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 02:53:55,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 02:53:55,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 02:53:55,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 02:53:55,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 02:53:55,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 02:53:55,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 02:53:55,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 02:53:55,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 02:53:55,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 02:53:55,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 02:53:55,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 02:53:55,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 02:53:55,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 02:53:55,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 02:53:55,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 02:53:55,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 02:53:55,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 02:53:55,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 02:53:55,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 02:53:55,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 02:53:55,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 02:53:55,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 02:53:55,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 02:53:55,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 02:53:55,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 02:53:55,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 02:53:55,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 02:53:55,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 02:53:55,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 02:53:55,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 02:53:55,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 02:53:55,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 02:53:55,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 02:53:55,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 02:53:55,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 02:53:55,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 02:53:55,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 02:53:55,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 02:53:55,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 02:53:55,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 02:53:55,224 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 02:53:55,250 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 02:53:55,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 02:53:55,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 02:53:55,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 02:53:55,255 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 02:53:55,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 02:53:55,255 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 02:53:55,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 02:53:55,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 02:53:55,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 02:53:55,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 02:53:55,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 02:53:55,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 02:53:55,258 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 02:53:55,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 02:53:55,259 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 02:53:55,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 02:53:55,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 02:53:55,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 02:53:55,261 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 02:53:55,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 02:53:55,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 02:53:55,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 02:53:55,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 02:53:55,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 02:53:55,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-18 02:53:55,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 02:53:55,266 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 02:53:55,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 02:53:55,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 02:53:55,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 02:53:55,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 02:53:55,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 02:53:55,600 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 02:53:55,601 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 02:53:55,602 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_pso.oepc.i [2020-04-18 02:53:55,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7cecd32/2233f132dc8748378601839a95d6be86/FLAG293681176 [2020-04-18 02:53:56,252 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 02:53:56,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_pso.oepc.i [2020-04-18 02:53:56,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7cecd32/2233f132dc8748378601839a95d6be86/FLAG293681176 [2020-04-18 02:53:56,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7cecd32/2233f132dc8748378601839a95d6be86 [2020-04-18 02:53:56,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 02:53:56,636 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 02:53:56,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 02:53:56,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 02:53:56,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 02:53:56,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:53:56" (1/1) ... [2020-04-18 02:53:56,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a49f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:56, skipping insertion in model container [2020-04-18 02:53:56,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:53:56" (1/1) ... [2020-04-18 02:53:56,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 02:53:56,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 02:53:57,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 02:53:57,227 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 02:53:57,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 02:53:57,369 INFO L208 MainTranslator]: Completed translation [2020-04-18 02:53:57,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:57 WrapperNode [2020-04-18 02:53:57,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 02:53:57,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 02:53:57,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 02:53:57,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 02:53:57,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:57" (1/1) ... [2020-04-18 02:53:57,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:57" (1/1) ... [2020-04-18 02:53:57,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 02:53:57,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 02:53:57,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 02:53:57,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 02:53:57,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:57" (1/1) ... [2020-04-18 02:53:57,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:57" (1/1) ... [2020-04-18 02:53:57,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:57" (1/1) ... [2020-04-18 02:53:57,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:57" (1/1) ... [2020-04-18 02:53:57,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:57" (1/1) ... [2020-04-18 02:53:57,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:57" (1/1) ... [2020-04-18 02:53:57,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:57" (1/1) ... [2020-04-18 02:53:57,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 02:53:57,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 02:53:57,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 02:53:57,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 02:53:57,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:57" (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 02:53:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 02:53:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-04-18 02:53:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 02:53:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 02:53:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-04-18 02:53:57,509 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-04-18 02:53:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-04-18 02:53:57,510 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-04-18 02:53:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-04-18 02:53:57,510 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-04-18 02:53:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-04-18 02:53:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 02:53:57,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 02:53:57,513 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 02:53:57,930 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 02:53:57,930 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-04-18 02:53:57,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:53:57 BoogieIcfgContainer [2020-04-18 02:53:57,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 02:53:57,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 02:53:57,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 02:53:57,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 02:53:57,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 02:53:56" (1/3) ... [2020-04-18 02:53:57,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b934ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:53:57, skipping insertion in model container [2020-04-18 02:53:57,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:57" (2/3) ... [2020-04-18 02:53:57,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b934ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:53:57, skipping insertion in model container [2020-04-18 02:53:57,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:53:57" (3/3) ... [2020-04-18 02:53:57,944 INFO L109 eAbstractionObserver]: Analyzing ICFG safe037_pso.oepc.i [2020-04-18 02:53:57,955 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 02:53:57,955 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 02:53:57,965 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 02:53:57,966 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 02:53:57,997 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:57,997 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:57,998 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:57,998 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:57,999 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:57,999 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,001 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,001 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,001 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,002 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,002 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,002 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,003 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,003 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,003 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,004 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,004 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,004 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,010 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,011 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,011 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,011 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,022 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,023 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,023 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,023 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,025 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,025 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,026 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,026 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:53:58,040 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-18 02:53:58,057 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 02:53:58,057 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 02:53:58,058 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 02:53:58,058 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 02:53:58,058 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 02:53:58,058 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 02:53:58,058 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 02:53:58,059 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 02:53:58,073 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-04-18 02:53:58,075 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-04-18 02:53:58,118 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-04-18 02:53:58,118 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 02:53:58,123 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 50 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 02:53:58,126 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-04-18 02:53:58,146 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-04-18 02:53:58,146 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 02:53:58,147 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 50 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 02:53:58,149 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-04-18 02:53:58,151 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 02:53:59,411 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-04-18 02:53:59,513 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2315 [2020-04-18 02:53:59,513 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-04-18 02:53:59,517 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-04-18 02:53:59,565 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-04-18 02:53:59,568 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-04-18 02:53:59,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 02:53:59,585 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:53:59,586 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:53:59,586 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:53:59,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:53:59,593 INFO L82 PathProgramCache]: Analyzing trace with hash 385809968, now seen corresponding path program 1 times [2020-04-18 02:53:59,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:53:59,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588863235] [2020-04-18 02:53:59,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:53:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:53:59,828 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 02:53:59,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588863235] [2020-04-18 02:53:59,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:53:59,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:53:59,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543818349] [2020-04-18 02:53:59,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 02:53:59,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:53:59,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 02:53:59,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 02:53:59,857 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-04-18 02:53:59,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:53:59,911 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-04-18 02:53:59,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 02:53:59,915 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-04-18 02:53:59,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:53:59,944 INFO L225 Difference]: With dead ends: 362 [2020-04-18 02:53:59,944 INFO L226 Difference]: Without dead ends: 298 [2020-04-18 02:53:59,945 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 [2020-04-18 02:53:59,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-04-18 02:54:00,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-04-18 02:54:00,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-04-18 02:54:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-04-18 02:54:00,018 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-04-18 02:54:00,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:54:00,019 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-04-18 02:54:00,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 02:54:00,019 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-04-18 02:54:00,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 02:54:00,021 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:54:00,021 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:54:00,022 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:54:00,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:54:00,022 INFO L82 PathProgramCache]: Analyzing trace with hash -924796273, now seen corresponding path program 1 times [2020-04-18 02:54:00,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:54:00,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196336846] [2020-04-18 02:54:00,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:54:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:54:00,111 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 02:54:00,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196336846] [2020-04-18 02:54:00,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:54:00,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:54:00,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074175953] [2020-04-18 02:54:00,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 02:54:00,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:54:00,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 02:54:00,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 02:54:00,115 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 3 states. [2020-04-18 02:54:00,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:54:00,133 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions. [2020-04-18 02:54:00,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 02:54:00,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-04-18 02:54:00,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:54:00,137 INFO L225 Difference]: With dead ends: 217 [2020-04-18 02:54:00,137 INFO L226 Difference]: Without dead ends: 217 [2020-04-18 02:54:00,138 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 02:54:00,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-04-18 02:54:00,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-04-18 02:54:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-04-18 02:54:00,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 540 transitions. [2020-04-18 02:54:00,157 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 540 transitions. Word has length 9 [2020-04-18 02:54:00,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:54:00,157 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 540 transitions. [2020-04-18 02:54:00,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 02:54:00,158 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions. [2020-04-18 02:54:00,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-18 02:54:00,159 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:54:00,160 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:54:00,160 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:54:00,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:54:00,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1123394358, now seen corresponding path program 1 times [2020-04-18 02:54:00,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:54:00,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841084565] [2020-04-18 02:54:00,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:54:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:54:00,256 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 02:54:00,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841084565] [2020-04-18 02:54:00,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:54:00,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:54:00,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686866172] [2020-04-18 02:54:00,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:54:00,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:54:00,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:54:00,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:54:00,258 INFO L87 Difference]: Start difference. First operand 217 states and 540 transitions. Second operand 4 states. [2020-04-18 02:54:00,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:54:00,298 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions. [2020-04-18 02:54:00,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:54:00,300 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-04-18 02:54:00,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:54:00,301 INFO L225 Difference]: With dead ends: 136 [2020-04-18 02:54:00,301 INFO L226 Difference]: Without dead ends: 136 [2020-04-18 02:54:00,302 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:54:00,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-04-18 02:54:00,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-04-18 02:54:00,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-04-18 02:54:00,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 297 transitions. [2020-04-18 02:54:00,316 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 297 transitions. Word has length 12 [2020-04-18 02:54:00,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:54:00,316 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 297 transitions. [2020-04-18 02:54:00,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:54:00,317 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions. [2020-04-18 02:54:00,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-18 02:54:00,320 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:54:00,320 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:54:00,321 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:54:00,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:54:00,322 INFO L82 PathProgramCache]: Analyzing trace with hash -104701845, now seen corresponding path program 1 times [2020-04-18 02:54:00,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:54:00,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512987750] [2020-04-18 02:54:00,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:54:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:54:00,429 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 02:54:00,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512987750] [2020-04-18 02:54:00,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:54:00,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 02:54:00,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962465295] [2020-04-18 02:54:00,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 02:54:00,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:54:00,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 02:54:00,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-04-18 02:54:00,432 INFO L87 Difference]: Start difference. First operand 136 states and 297 transitions. Second operand 5 states. [2020-04-18 02:54:00,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:54:00,465 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions. [2020-04-18 02:54:00,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 02:54:00,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-04-18 02:54:00,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:54:00,466 INFO L225 Difference]: With dead ends: 109 [2020-04-18 02:54:00,466 INFO L226 Difference]: Without dead ends: 109 [2020-04-18 02:54:00,467 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-04-18 02:54:00,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-04-18 02:54:00,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-04-18 02:54:00,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-04-18 02:54:00,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 243 transitions. [2020-04-18 02:54:00,472 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 243 transitions. Word has length 15 [2020-04-18 02:54:00,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:54:00,473 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 243 transitions. [2020-04-18 02:54:00,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 02:54:00,473 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2020-04-18 02:54:00,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 02:54:00,475 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:54:00,475 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:54:00,475 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:54:00,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:54:00,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1786856379, now seen corresponding path program 1 times [2020-04-18 02:54:00,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:54:00,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308241166] [2020-04-18 02:54:00,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:54:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:54:00,547 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 02:54:00,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308241166] [2020-04-18 02:54:00,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:54:00,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 02:54:00,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405590763] [2020-04-18 02:54:00,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 02:54:00,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:54:00,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 02:54:00,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-18 02:54:00,549 INFO L87 Difference]: Start difference. First operand 109 states and 243 transitions. Second operand 5 states. [2020-04-18 02:54:00,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:54:00,586 INFO L93 Difference]: Finished difference Result 135 states and 291 transitions. [2020-04-18 02:54:00,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 02:54:00,586 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-04-18 02:54:00,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:54:00,587 INFO L225 Difference]: With dead ends: 135 [2020-04-18 02:54:00,587 INFO L226 Difference]: Without dead ends: 85 [2020-04-18 02:54:00,588 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-04-18 02:54:00,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-04-18 02:54:00,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-04-18 02:54:00,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-04-18 02:54:00,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 177 transitions. [2020-04-18 02:54:00,593 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 177 transitions. Word has length 18 [2020-04-18 02:54:00,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:54:00,593 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 177 transitions. [2020-04-18 02:54:00,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 02:54:00,593 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 177 transitions. [2020-04-18 02:54:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 02:54:00,594 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:54:00,594 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:54:00,595 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:54:00,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:54:00,595 INFO L82 PathProgramCache]: Analyzing trace with hash -739037833, now seen corresponding path program 2 times [2020-04-18 02:54:00,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:54:00,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002358578] [2020-04-18 02:54:00,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:54:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:54:00,664 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 02:54:00,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002358578] [2020-04-18 02:54:00,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:54:00,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 02:54:00,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640491415] [2020-04-18 02:54:00,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 02:54:00,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:54:00,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 02:54:00,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-18 02:54:00,668 INFO L87 Difference]: Start difference. First operand 85 states and 177 transitions. Second operand 5 states. [2020-04-18 02:54:00,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:54:00,701 INFO L93 Difference]: Finished difference Result 99 states and 199 transitions. [2020-04-18 02:54:00,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 02:54:00,701 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-04-18 02:54:00,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:54:00,702 INFO L225 Difference]: With dead ends: 99 [2020-04-18 02:54:00,702 INFO L226 Difference]: Without dead ends: 37 [2020-04-18 02:54:00,703 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-04-18 02:54:00,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-04-18 02:54:00,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-04-18 02:54:00,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-04-18 02:54:00,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 57 transitions. [2020-04-18 02:54:00,705 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 57 transitions. Word has length 18 [2020-04-18 02:54:00,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:54:00,705 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 57 transitions. [2020-04-18 02:54:00,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 02:54:00,706 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2020-04-18 02:54:00,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 02:54:00,706 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:54:00,707 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:54:00,707 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:54:00,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:54:00,707 INFO L82 PathProgramCache]: Analyzing trace with hash 21041593, now seen corresponding path program 3 times [2020-04-18 02:54:00,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:54:00,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223808432] [2020-04-18 02:54:00,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:54:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:54:00,784 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 02:54:00,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223808432] [2020-04-18 02:54:00,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:54:00,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 02:54:00,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428836909] [2020-04-18 02:54:00,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 02:54:00,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:54:00,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 02:54:00,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-18 02:54:00,786 INFO L87 Difference]: Start difference. First operand 37 states and 57 transitions. Second operand 5 states. [2020-04-18 02:54:00,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:54:00,812 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions. [2020-04-18 02:54:00,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 02:54:00,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-04-18 02:54:00,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:54:00,813 INFO L225 Difference]: With dead ends: 36 [2020-04-18 02:54:00,813 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 02:54:00,813 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-04-18 02:54:00,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 02:54:00,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 02:54:00,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 02:54:00,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 02:54:00,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-04-18 02:54:00,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:54:00,815 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 02:54:00,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 02:54:00,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 02:54:00,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 02:54:00,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 02:54:00 BasicIcfg [2020-04-18 02:54:00,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 02:54:00,821 INFO L168 Benchmark]: Toolchain (without parser) took 4205.56 ms. Allocated memory was 138.9 MB in the beginning and 246.4 MB in the end (delta: 107.5 MB). Free memory was 100.6 MB in the beginning and 123.9 MB in the end (delta: -23.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-04-18 02:54:00,822 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-04-18 02:54:00,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.05 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 98.8 MB in the beginning and 159.4 MB in the end (delta: -60.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2020-04-18 02:54:00,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.63 ms. Allocated memory is still 202.9 MB. Free memory was 159.4 MB in the beginning and 157.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-04-18 02:54:00,825 INFO L168 Benchmark]: Boogie Preprocessor took 28.44 ms. Allocated memory is still 202.9 MB. Free memory was 157.5 MB in the beginning and 155.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-04-18 02:54:00,826 INFO L168 Benchmark]: RCFGBuilder took 489.88 ms. Allocated memory is still 202.9 MB. Free memory was 155.5 MB in the beginning and 133.2 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-04-18 02:54:00,827 INFO L168 Benchmark]: TraceAbstraction took 2882.66 ms. Allocated memory was 202.9 MB in the beginning and 246.4 MB in the end (delta: 43.5 MB). Free memory was 133.2 MB in the beginning and 123.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2020-04-18 02:54:00,831 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.05 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 98.8 MB in the beginning and 159.4 MB in the end (delta: -60.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.63 ms. Allocated memory is still 202.9 MB. Free memory was 159.4 MB in the beginning and 157.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.44 ms. Allocated memory is still 202.9 MB. Free memory was 157.5 MB in the beginning and 155.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 489.88 ms. Allocated memory is still 202.9 MB. Free memory was 155.5 MB in the beginning and 133.2 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2882.66 ms. Allocated memory was 202.9 MB in the beginning and 246.4 MB in the end (delta: 43.5 MB). Free memory was 133.2 MB in the beginning and 123.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 640 VarBasedMoverChecksPositive, 19 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2315 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: 2.7s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 139 SDtfs, 90 SDslu, 214 SDs, 0 SdLazy, 58 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 3389 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...