/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe037_rmo.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b09bf87
[2020-10-16 12:12:21,473 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-10-16 12:12:21,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-16 12:12:21,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-16 12:12:21,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-16 12:12:21,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-16 12:12:21,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-16 12:12:21,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-16 12:12:21,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-16 12:12:21,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-10-16 12:12:21,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-16 12:12:21,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-16 12:12:21,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-16 12:12:21,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-16 12:12:21,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-16 12:12:21,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-16 12:12:21,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-16 12:12:21,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-16 12:12:21,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-16 12:12:21,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-16 12:12:21,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-16 12:12:21,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-10-16 12:12:21,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-16 12:12:21,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-16 12:12:21,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-16 12:12:21,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-16 12:12:21,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-16 12:12:21,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-10-16 12:12:21,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-10-16 12:12:21,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-16 12:12:21,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-10-16 12:12:21,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-10-16 12:12:21,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-16 12:12:21,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-10-16 12:12:21,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-10-16 12:12:21,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-10-16 12:12:21,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-10-16 12:12:21,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf
[2020-10-16 12:12:21,586 INFO L113 SettingsManager]: Loading preferences was successful
[2020-10-16 12:12:21,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-16 12:12:21,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-16 12:12:21,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-10-16 12:12:21,590 INFO L138 SettingsManager]: * Use SBE=true
[2020-10-16 12:12:21,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-16 12:12:21,590 INFO L138 SettingsManager]: * sizeof long=4
[2020-10-16 12:12:21,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-10-16 12:12:21,590 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-10-16 12:12:21,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-10-16 12:12:21,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-10-16 12:12:21,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-16 12:12:21,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-10-16 12:12:21,591 INFO L138 SettingsManager]: * sizeof long double=12
[2020-10-16 12:12:21,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-10-16 12:12:21,592 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-10-16 12:12:21,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-10-16 12:12:21,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-16 12:12:21,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-10-16 12:12:21,593 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-10-16 12:12:21,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-10-16 12:12:21,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 12:12:21,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-16 12:12:21,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2020-10-16 12:12:21,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-16 12:12:21,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-10-16 12:12:21,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-16 12:12:21,595 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2020-10-16 12:12:21,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-16 12:12:21,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-16 12:12:21,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-16 12:12:21,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-16 12:12:21,904 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-10-16 12:12:21,904 INFO L275 PluginConnector]: CDTParser initialized
[2020-10-16 12:12:21,905 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_rmo.oepc.i
[2020-10-16 12:12:21,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/21d08cd4d/7f6c27409af14c48ac888d81d9c6bcbf/FLAG1c5ce6b5b
[2020-10-16 12:12:22,537 INFO L306 CDTParser]: Found 1 translation units.
[2020-10-16 12:12:22,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe037_rmo.oepc.i
[2020-10-16 12:12:22,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/21d08cd4d/7f6c27409af14c48ac888d81d9c6bcbf/FLAG1c5ce6b5b
[2020-10-16 12:12:22,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/21d08cd4d/7f6c27409af14c48ac888d81d9c6bcbf
[2020-10-16 12:12:22,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-16 12:12:22,857 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-10-16 12:12:22,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-16 12:12:22,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-16 12:12:22,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-16 12:12:22,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:12:22" (1/1) ...
[2020-10-16 12:12:22,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d61f71a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:22, skipping insertion in model container
[2020-10-16 12:12:22,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:12:22" (1/1) ...
[2020-10-16 12:12:22,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-10-16 12:12:22,937 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-10-16 12:12:23,401 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-16 12:12:23,415 INFO L203 MainTranslator]: Completed pre-run
[2020-10-16 12:12:23,491 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-16 12:12:23,578 INFO L208 MainTranslator]: Completed translation
[2020-10-16 12:12:23,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:23 WrapperNode
[2020-10-16 12:12:23,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-16 12:12:23,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-10-16 12:12:23,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-10-16 12:12:23,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-10-16 12:12:23,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:23" (1/1) ...
[2020-10-16 12:12:23,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:23" (1/1) ...
[2020-10-16 12:12:23,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-10-16 12:12:23,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-16 12:12:23,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-16 12:12:23,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-10-16 12:12:23,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:23" (1/1) ...
[2020-10-16 12:12:23,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:23" (1/1) ...
[2020-10-16 12:12:23,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:23" (1/1) ...
[2020-10-16 12:12:23,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:23" (1/1) ...
[2020-10-16 12:12:23,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:23" (1/1) ...
[2020-10-16 12:12:23,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:23" (1/1) ...
[2020-10-16 12:12:23,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:23" (1/1) ...
[2020-10-16 12:12:23,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-16 12:12:23,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-16 12:12:23,656 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-10-16 12:12:23,656 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-10-16 12:12:23,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:23" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-10-16 12:12:23,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-10-16 12:12:23,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-10-16 12:12:23,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-16 12:12:23,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-16 12:12:23,731 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-10-16 12:12:23,731 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-10-16 12:12:23,731 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-10-16 12:12:23,732 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-10-16 12:12:23,732 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2020-10-16 12:12:23,732 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2020-10-16 12:12:23,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-10-16 12:12:23,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-16 12:12:23,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-16 12:12:23,734 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-10-16 12:12:24,125 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-16 12:12:24,126 INFO L298 CfgBuilder]: Removed 8 assume(true) statements.
[2020-10-16 12:12:24,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:12:24 BoogieIcfgContainer
[2020-10-16 12:12:24,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-16 12:12:24,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-16 12:12:24,130 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-10-16 12:12:24,133 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-10-16 12:12:24,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:12:22" (1/3) ...
[2020-10-16 12:12:24,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e150dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:12:24, skipping insertion in model container
[2020-10-16 12:12:24,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:23" (2/3) ...
[2020-10-16 12:12:24,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e150dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:12:24, skipping insertion in model container
[2020-10-16 12:12:24,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:12:24" (3/3) ...
[2020-10-16 12:12:24,137 INFO L111 eAbstractionObserver]: Analyzing ICFG safe037_rmo.oepc.i
[2020-10-16 12:12:24,150 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-10-16 12:12:24,150 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-16 12:12:24,161 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-10-16 12:12:24,162 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-10-16 12:12:24,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,190 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,190 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,190 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,191 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,191 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,192 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,192 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,194 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,194 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,195 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,195 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,199 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,200 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,200 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,200 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,206 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,206 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,207 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,207 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,211 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,211 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,212 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:24,214 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2020-10-16 12:12:24,229 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-10-16 12:12:24,251 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-10-16 12:12:24,252 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-10-16 12:12:24,252 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-16 12:12:24,252 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-16 12:12:24,252 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-16 12:12:24,252 INFO L382 AbstractCegarLoop]: Difference is false
[2020-10-16 12:12:24,253 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-16 12:12:24,253 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-16 12:12:24,267 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2020-10-16 12:12:24,268 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow
[2020-10-16 12:12:24,271 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 71 transitions, 157 flow
[2020-10-16 12:12:24,274 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow
[2020-10-16 12:12:24,319 INFO L129 PetriNetUnfolder]: 2/68 cut-off events.
[2020-10-16 12:12:24,320 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-10-16 12:12:24,325 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.
[2020-10-16 12:12:24,328 INFO L117 LiptonReduction]: Number of co-enabled transitions 1260
[2020-10-16 12:12:25,448 INFO L132 LiptonReduction]: Checked pairs total: 2447
[2020-10-16 12:12:25,448 INFO L134 LiptonReduction]: Total number of compositions: 58
[2020-10-16 12:12:25,455 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow
[2020-10-16 12:12:25,487 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states.
[2020-10-16 12:12:25,489 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states.
[2020-10-16 12:12:25,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-10-16 12:12:25,498 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 12:12:25,499 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:12:25,499 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:12:25,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:12:25,506 INFO L82 PathProgramCache]: Analyzing trace with hash 385809968, now seen corresponding path program 1 times
[2020-10-16 12:12:25,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:12:25,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302831987]
[2020-10-16 12:12:25,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:12:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:12:25,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:12:25,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302831987]
[2020-10-16 12:12:25,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:12:25,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 12:12:25,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750232645]
[2020-10-16 12:12:25,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-10-16 12:12:25,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:12:25,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-10-16 12:12:25,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-10-16 12:12:25,739 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states.
[2020-10-16 12:12:25,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:12:25,788 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions.
[2020-10-16 12:12:25,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-10-16 12:12:25,790 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8
[2020-10-16 12:12:25,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:12:25,808 INFO L225 Difference]: With dead ends: 362
[2020-10-16 12:12:25,808 INFO L226 Difference]: Without dead ends: 298
[2020-10-16 12:12:25,810 INFO L677 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
[2020-10-16 12:12:25,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states.
[2020-10-16 12:12:25,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298.
[2020-10-16 12:12:25,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states.
[2020-10-16 12:12:25,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions.
[2020-10-16 12:12:25,889 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8
[2020-10-16 12:12:25,890 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:12:25,890 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions.
[2020-10-16 12:12:25,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-10-16 12:12:25,891 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions.
[2020-10-16 12:12:25,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-10-16 12:12:25,892 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 12:12:25,892 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:12:25,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-16 12:12:25,893 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:12:25,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:12:25,894 INFO L82 PathProgramCache]: Analyzing trace with hash -924796273, now seen corresponding path program 1 times
[2020-10-16 12:12:25,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:12:25,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162685]
[2020-10-16 12:12:25,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:12:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:12:25,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:12:25,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162685]
[2020-10-16 12:12:25,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:12:25,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 12:12:25,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227349142]
[2020-10-16 12:12:25,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 12:12:25,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:12:25,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 12:12:25,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:12:25,978 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 3 states.
[2020-10-16 12:12:25,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:12:25,996 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions.
[2020-10-16 12:12:25,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-10-16 12:12:25,997 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9
[2020-10-16 12:12:25,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:12:26,000 INFO L225 Difference]: With dead ends: 217
[2020-10-16 12:12:26,000 INFO L226 Difference]: Without dead ends: 217
[2020-10-16 12:12:26,001 INFO L677 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
[2020-10-16 12:12:26,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states.
[2020-10-16 12:12:26,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217.
[2020-10-16 12:12:26,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states.
[2020-10-16 12:12:26,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 540 transitions.
[2020-10-16 12:12:26,019 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 540 transitions. Word has length 9
[2020-10-16 12:12:26,019 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:12:26,019 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 540 transitions.
[2020-10-16 12:12:26,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 12:12:26,020 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions.
[2020-10-16 12:12:26,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-10-16 12:12:26,021 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 12:12:26,021 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:12:26,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-16 12:12:26,022 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:12:26,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:12:26,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1123394358, now seen corresponding path program 1 times
[2020-10-16 12:12:26,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:12:26,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650410618]
[2020-10-16 12:12:26,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:12:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:12:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:12:26,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650410618]
[2020-10-16 12:12:26,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:12:26,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 12:12:26,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785657023]
[2020-10-16 12:12:26,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 12:12:26,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:12:26,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 12:12:26,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-10-16 12:12:26,130 INFO L87 Difference]: Start difference. First operand 217 states and 540 transitions. Second operand 4 states.
[2020-10-16 12:12:26,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:12:26,160 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions.
[2020-10-16 12:12:26,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-10-16 12:12:26,161 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12
[2020-10-16 12:12:26,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:12:26,162 INFO L225 Difference]: With dead ends: 136
[2020-10-16 12:12:26,162 INFO L226 Difference]: Without dead ends: 136
[2020-10-16 12:12:26,163 INFO L677 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
[2020-10-16 12:12:26,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states.
[2020-10-16 12:12:26,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136.
[2020-10-16 12:12:26,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states.
[2020-10-16 12:12:26,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 297 transitions.
[2020-10-16 12:12:26,172 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 297 transitions. Word has length 12
[2020-10-16 12:12:26,172 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:12:26,172 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 297 transitions.
[2020-10-16 12:12:26,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 12:12:26,173 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions.
[2020-10-16 12:12:26,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-10-16 12:12:26,174 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 12:12:26,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:12:26,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-16 12:12:26,175 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:12:26,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:12:26,175 INFO L82 PathProgramCache]: Analyzing trace with hash -104701845, now seen corresponding path program 1 times
[2020-10-16 12:12:26,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:12:26,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859640300]
[2020-10-16 12:12:26,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:12:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:12:26,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:12:26,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859640300]
[2020-10-16 12:12:26,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:12:26,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 12:12:26,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116156318]
[2020-10-16 12:12:26,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 12:12:26,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:12:26,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 12:12:26,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:12:26,234 INFO L87 Difference]: Start difference. First operand 136 states and 297 transitions. Second operand 5 states.
[2020-10-16 12:12:26,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:12:26,265 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions.
[2020-10-16 12:12:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-16 12:12:26,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15
[2020-10-16 12:12:26,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:12:26,267 INFO L225 Difference]: With dead ends: 109
[2020-10-16 12:12:26,267 INFO L226 Difference]: Without dead ends: 109
[2020-10-16 12:12:26,268 INFO L677 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
[2020-10-16 12:12:26,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2020-10-16 12:12:26,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109.
[2020-10-16 12:12:26,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states.
[2020-10-16 12:12:26,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 243 transitions.
[2020-10-16 12:12:26,274 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 243 transitions. Word has length 15
[2020-10-16 12:12:26,274 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:12:26,274 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 243 transitions.
[2020-10-16 12:12:26,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 12:12:26,275 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions.
[2020-10-16 12:12:26,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-10-16 12:12:26,276 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 12:12:26,276 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:12:26,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-16 12:12:26,277 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:12:26,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:12:26,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1786856379, now seen corresponding path program 1 times
[2020-10-16 12:12:26,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:12:26,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574467646]
[2020-10-16 12:12:26,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:12:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:12:26,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:12:26,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574467646]
[2020-10-16 12:12:26,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:12:26,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 12:12:26,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672429315]
[2020-10-16 12:12:26,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 12:12:26,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:12:26,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 12:12:26,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:12:26,382 INFO L87 Difference]: Start difference. First operand 109 states and 243 transitions. Second operand 5 states.
[2020-10-16 12:12:26,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:12:26,417 INFO L93 Difference]: Finished difference Result 135 states and 291 transitions.
[2020-10-16 12:12:26,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-16 12:12:26,418 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18
[2020-10-16 12:12:26,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:12:26,419 INFO L225 Difference]: With dead ends: 135
[2020-10-16 12:12:26,419 INFO L226 Difference]: Without dead ends: 55
[2020-10-16 12:12:26,420 INFO L677 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
[2020-10-16 12:12:26,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states.
[2020-10-16 12:12:26,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55.
[2020-10-16 12:12:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states.
[2020-10-16 12:12:26,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 99 transitions.
[2020-10-16 12:12:26,423 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 99 transitions. Word has length 18
[2020-10-16 12:12:26,424 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:12:26,424 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 99 transitions.
[2020-10-16 12:12:26,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 12:12:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions.
[2020-10-16 12:12:26,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-10-16 12:12:26,425 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 12:12:26,425 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:12:26,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-16 12:12:26,426 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:12:26,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:12:26,426 INFO L82 PathProgramCache]: Analyzing trace with hash -442498565, now seen corresponding path program 2 times
[2020-10-16 12:12:26,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:12:26,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845476028]
[2020-10-16 12:12:26,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:12:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:12:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:12:26,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845476028]
[2020-10-16 12:12:26,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:12:26,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 12:12:26,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133387414]
[2020-10-16 12:12:26,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 12:12:26,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:12:26,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 12:12:26,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:12:26,493 INFO L87 Difference]: Start difference. First operand 55 states and 99 transitions. Second operand 5 states.
[2020-10-16 12:12:26,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:12:26,530 INFO L93 Difference]: Finished difference Result 75 states and 132 transitions.
[2020-10-16 12:12:26,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-16 12:12:26,531 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18
[2020-10-16 12:12:26,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:12:26,531 INFO L225 Difference]: With dead ends: 75
[2020-10-16 12:12:26,532 INFO L226 Difference]: Without dead ends: 37
[2020-10-16 12:12:26,532 INFO L677 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
[2020-10-16 12:12:26,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2020-10-16 12:12:26,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2020-10-16 12:12:26,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states.
[2020-10-16 12:12:26,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 57 transitions.
[2020-10-16 12:12:26,535 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 57 transitions. Word has length 18
[2020-10-16 12:12:26,535 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:12:26,535 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 57 transitions.
[2020-10-16 12:12:26,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 12:12:26,536 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions.
[2020-10-16 12:12:26,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-10-16 12:12:26,536 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 12:12:26,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:12:26,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-10-16 12:12:26,537 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:12:26,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:12:26,537 INFO L82 PathProgramCache]: Analyzing trace with hash 21041593, now seen corresponding path program 3 times
[2020-10-16 12:12:26,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:12:26,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001050085]
[2020-10-16 12:12:26,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:12:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:12:26,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:12:26,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001050085]
[2020-10-16 12:12:26,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:12:26,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 12:12:26,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945256113]
[2020-10-16 12:12:26,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 12:12:26,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:12:26,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 12:12:26,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:12:26,607 INFO L87 Difference]: Start difference. First operand 37 states and 57 transitions. Second operand 5 states.
[2020-10-16 12:12:26,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:12:26,640 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions.
[2020-10-16 12:12:26,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-16 12:12:26,640 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18
[2020-10-16 12:12:26,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:12:26,641 INFO L225 Difference]: With dead ends: 36
[2020-10-16 12:12:26,641 INFO L226 Difference]: Without dead ends: 0
[2020-10-16 12:12:26,641 INFO L677 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
[2020-10-16 12:12:26,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-10-16 12:12:26,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-10-16 12:12:26,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-10-16 12:12:26,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-10-16 12:12:26,642 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18
[2020-10-16 12:12:26,643 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:12:26,643 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-10-16 12:12:26,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 12:12:26,643 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-10-16 12:12:26,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-10-16 12:12:26,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-10-16 12:12:26,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:12:26 BasicIcfg
[2020-10-16 12:12:26,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-16 12:12:26,653 INFO L168 Benchmark]: Toolchain (without parser) took 3793.53 ms. Allocated memory was 137.9 MB in the beginning and 253.2 MB in the end (delta: 115.3 MB). Free memory was 99.3 MB in the beginning and 134.8 MB in the end (delta: -35.5 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB.
[2020-10-16 12:12:26,659 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-10-16 12:12:26,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.06 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 99.1 MB in the beginning and 156.2 MB in the end (delta: -57.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB.
[2020-10-16 12:12:26,663 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.71 ms. Allocated memory is still 199.8 MB. Free memory was 156.2 MB in the beginning and 154.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-10-16 12:12:26,664 INFO L168 Benchmark]: Boogie Preprocessor took 27.88 ms. Allocated memory is still 199.8 MB. Free memory was 154.1 MB in the beginning and 152.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB.
[2020-10-16 12:12:26,664 INFO L168 Benchmark]: RCFGBuilder took 472.51 ms. Allocated memory is still 199.8 MB. Free memory was 152.8 MB in the beginning and 130.4 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB.
[2020-10-16 12:12:26,668 INFO L168 Benchmark]: TraceAbstraction took 2518.72 ms. Allocated memory was 199.8 MB in the beginning and 253.2 MB in the end (delta: 53.5 MB). Free memory was 129.8 MB in the beginning and 134.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB.
[2020-10-16 12:12:26,680 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 721.06 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 99.1 MB in the beginning and 156.2 MB in the end (delta: -57.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 47.71 ms. Allocated memory is still 199.8 MB. Free memory was 156.2 MB in the beginning and 154.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 27.88 ms. Allocated memory is still 199.8 MB. Free memory was 154.1 MB in the beginning and 152.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 472.51 ms. Allocated memory is still 199.8 MB. Free memory was 152.8 MB in the beginning and 130.4 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 2518.72 ms. Allocated memory was 199.8 MB in the beginning and 253.2 MB in the end (delta: 53.5 MB). Free memory was 129.8 MB in the beginning and 134.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
656 VarBasedMoverChecksPositive, 19 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 40 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.1s, 79 PlacesBefore, 32 PlacesAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 58 TotalNumberOfCompositions, 2447 MoverChecksTotal
- 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: 2.3s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 138 SDtfs, 89 SDslu, 207 SDs, 0 SdLazy, 58 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 8 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, 0.3s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 3491 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...