/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b09bf87
[2020-10-16 11:22:56,142 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-10-16 11:22:56,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-16 11:22:56,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-16 11:22:56,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-16 11:22:56,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-16 11:22:56,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-16 11:22:56,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-16 11:22:56,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-16 11:22:56,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-10-16 11:22:56,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-16 11:22:56,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-16 11:22:56,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-16 11:22:56,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-16 11:22:56,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-16 11:22:56,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-16 11:22:56,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-16 11:22:56,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-16 11:22:56,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-16 11:22:56,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-16 11:22:56,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-10-16 11:22:56,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-16 11:22:56,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-10-16 11:22:56,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-16 11:22:56,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2020-10-16 11:22:56,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-10-16 11:22:56,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2020-10-16 11:22:56,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-10-16 11:22:56,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-10-16 11:22:56,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-10-16 11:22:56,289 INFO L113 SettingsManager]: Loading preferences was successful
[2020-10-16 11:22:56,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-16 11:22:56,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-16 11:22:56,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-10-16 11:22:56,292 INFO L138 SettingsManager]: * Use SBE=true
[2020-10-16 11:22:56,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-16 11:22:56,292 INFO L138 SettingsManager]: * sizeof long=4
[2020-10-16 11:22:56,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-10-16 11:22:56,292 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-10-16 11:22:56,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-10-16 11:22:56,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-10-16 11:22:56,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-16 11:22:56,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-10-16 11:22:56,294 INFO L138 SettingsManager]: * sizeof long double=12
[2020-10-16 11:22:56,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-10-16 11:22:56,295 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-10-16 11:22:56,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-10-16 11:22:56,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-16 11:22:56,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-10-16 11:22:56,295 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-10-16 11:22:56,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-10-16 11:22:56,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 11:22:56,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-16 11:22:56,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-10-16 11:22:56,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-16 11:22:56,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-10-16 11:22:56,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-16 11:22:56,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-16 11:22:56,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-10-16 11:22:56,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-10-16 11:22:56,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-16 11:22:56,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-16 11:22:56,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-16 11:22:56,572 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-10-16 11:22:56,572 INFO L275 PluginConnector]: CDTParser initialized
[2020-10-16 11:22:56,573 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i
[2020-10-16 11:22:56,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db90c403e/3f1080822594413dbc5dfc87a4358c1f/FLAG3963b6ca3
[2020-10-16 11:22:57,142 INFO L306 CDTParser]: Found 1 translation units.
[2020-10-16 11:22:57,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i
[2020-10-16 11:22:57,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db90c403e/3f1080822594413dbc5dfc87a4358c1f/FLAG3963b6ca3
[2020-10-16 11:22:57,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db90c403e/3f1080822594413dbc5dfc87a4358c1f
[2020-10-16 11:22:57,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-16 11:22:57,501 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-10-16 11:22:57,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-16 11:22:57,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-16 11:22:57,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-16 11:22:57,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:22:57" (1/1) ...
[2020-10-16 11:22:57,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@241c207a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:22:57, skipping insertion in model container
[2020-10-16 11:22:57,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:22:57" (1/1) ...
[2020-10-16 11:22:57,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-10-16 11:22:57,553 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-10-16 11:22:58,012 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-16 11:22:58,022 INFO L203 MainTranslator]: Completed pre-run
[2020-10-16 11:22:58,074 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-16 11:22:58,151 INFO L208 MainTranslator]: Completed translation
[2020-10-16 11:22:58,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:22:58 WrapperNode
[2020-10-16 11:22:58,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-16 11:22:58,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-10-16 11:22:58,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-10-16 11:22:58,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-10-16 11:22:58,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:22:58" (1/1) ...
[2020-10-16 11:22:58,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:22:58" (1/1) ...
[2020-10-16 11:22:58,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-10-16 11:22:58,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-16 11:22:58,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-16 11:22:58,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-10-16 11:22:58,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:22:58" (1/1) ...
[2020-10-16 11:22:58,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:22:58" (1/1) ...
[2020-10-16 11:22:58,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:22:58" (1/1) ...
[2020-10-16 11:22:58,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:22:58" (1/1) ...
[2020-10-16 11:22:58,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:22:58" (1/1) ...
[2020-10-16 11:22:58,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:22:58" (1/1) ...
[2020-10-16 11:22:58,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:22:58" (1/1) ...
[2020-10-16 11:22:58,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-16 11:22:58,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-16 11:22:58,224 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-10-16 11:22:58,224 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-10-16 11:22:58,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:22:58" (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 11:22:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-10-16 11:22:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-10-16 11:22:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-16 11:22:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-16 11:22:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-10-16 11:22:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-10-16 11:22:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-10-16 11:22:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-10-16 11:22:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2020-10-16 11:22:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2020-10-16 11:22:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-10-16 11:22:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-16 11:22:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-16 11:22:58,299 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 11:22:58,641 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-16 11:22:58,641 INFO L298 CfgBuilder]: Removed 8 assume(true) statements.
[2020-10-16 11:22:58,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:22:58 BoogieIcfgContainer
[2020-10-16 11:22:58,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-16 11:22:58,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-16 11:22:58,650 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-10-16 11:22:58,654 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-10-16 11:22:58,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:22:57" (1/3) ...
[2020-10-16 11:22:58,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8267bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:22:58, skipping insertion in model container
[2020-10-16 11:22:58,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:22:58" (2/3) ...
[2020-10-16 11:22:58,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8267bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:22:58, skipping insertion in model container
[2020-10-16 11:22:58,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:22:58" (3/3) ...
[2020-10-16 11:22:58,659 INFO L111 eAbstractionObserver]: Analyzing ICFG thin001_pso.oepc.i
[2020-10-16 11:22:58,668 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-10-16 11:22:58,669 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-10-16 11:22:58,676 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-10-16 11:22:58,677 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-10-16 11:22:58,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,705 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,706 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,708 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,708 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,709 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,710 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,710 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,710 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,710 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,714 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,715 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,715 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,721 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,721 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,733 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,733 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,733 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 11:22:58,741 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2020-10-16 11:22:58,752 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-10-16 11:22:58,770 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-10-16 11:22:58,770 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-10-16 11:22:58,771 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-10-16 11:22:58,771 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-16 11:22:58,771 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-16 11:22:58,771 INFO L382 AbstractCegarLoop]: Difference is false
[2020-10-16 11:22:58,771 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-16 11:22:58,771 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-16 11:22:58,783 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2020-10-16 11:22:58,786 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow
[2020-10-16 11:22:58,789 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 71 transitions, 157 flow
[2020-10-16 11:22:58,791 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow
[2020-10-16 11:22:58,835 INFO L129 PetriNetUnfolder]: 2/68 cut-off events.
[2020-10-16 11:22:58,836 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-10-16 11:22:58,841 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place.
[2020-10-16 11:22:58,843 INFO L117 LiptonReduction]: Number of co-enabled transitions 1260
[2020-10-16 11:23:00,117 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51
[2020-10-16 11:23:00,224 INFO L132 LiptonReduction]: Checked pairs total: 2579
[2020-10-16 11:23:00,224 INFO L134 LiptonReduction]: Total number of compositions: 58
[2020-10-16 11:23:00,231 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow
[2020-10-16 11:23:00,258 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states.
[2020-10-16 11:23:00,260 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states.
[2020-10-16 11:23:00,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-10-16 11:23:00,268 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 11:23:00,269 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 11:23:00,270 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 11:23:00,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 11:23:00,275 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times
[2020-10-16 11:23:00,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 11:23:00,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632264145]
[2020-10-16 11:23:00,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 11:23:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 11:23:00,466 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 11:23:00,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632264145]
[2020-10-16 11:23:00,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 11:23:00,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 11:23:00,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763528467]
[2020-10-16 11:23:00,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-10-16 11:23:00,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 11:23:00,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-10-16 11:23:00,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-10-16 11:23:00,490 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states.
[2020-10-16 11:23:00,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 11:23:00,523 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions.
[2020-10-16 11:23:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-10-16 11:23:00,525 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8
[2020-10-16 11:23:00,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 11:23:00,542 INFO L225 Difference]: With dead ends: 362
[2020-10-16 11:23:00,543 INFO L226 Difference]: Without dead ends: 298
[2020-10-16 11:23:00,546 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 11:23:00,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states.
[2020-10-16 11:23:00,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298.
[2020-10-16 11:23:00,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states.
[2020-10-16 11:23:00,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions.
[2020-10-16 11:23:00,670 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8
[2020-10-16 11:23:00,671 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 11:23:00,671 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions.
[2020-10-16 11:23:00,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-10-16 11:23:00,671 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions.
[2020-10-16 11:23:00,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-10-16 11:23:00,674 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 11:23:00,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 11:23:00,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-16 11:23:00,675 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 11:23:00,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 11:23:00,676 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times
[2020-10-16 11:23:00,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 11:23:00,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831479224]
[2020-10-16 11:23:00,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 11:23:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 11:23:00,819 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 11:23:00,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831479224]
[2020-10-16 11:23:00,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 11:23:00,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 11:23:00,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906986112]
[2020-10-16 11:23:00,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 11:23:00,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 11:23:00,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 11:23:00,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 11:23:00,823 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states.
[2020-10-16 11:23:00,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 11:23:00,857 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions.
[2020-10-16 11:23:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-16 11:23:00,857 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9
[2020-10-16 11:23:00,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 11:23:00,861 INFO L225 Difference]: With dead ends: 330
[2020-10-16 11:23:00,861 INFO L226 Difference]: Without dead ends: 266
[2020-10-16 11:23:00,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-16 11:23:00,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states.
[2020-10-16 11:23:00,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266.
[2020-10-16 11:23:00,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states.
[2020-10-16 11:23:00,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions.
[2020-10-16 11:23:00,886 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9
[2020-10-16 11:23:00,886 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 11:23:00,886 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions.
[2020-10-16 11:23:00,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 11:23:00,886 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions.
[2020-10-16 11:23:00,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-10-16 11:23:00,889 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 11:23:00,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 11:23:00,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-16 11:23:00,890 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 11:23:00,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 11:23:00,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1226466257, now seen corresponding path program 1 times
[2020-10-16 11:23:00,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 11:23:00,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485878]
[2020-10-16 11:23:00,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 11:23:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 11:23:00,953 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 11:23:00,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485878]
[2020-10-16 11:23:00,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 11:23:00,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 11:23:00,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564833276]
[2020-10-16 11:23:00,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 11:23:00,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 11:23:00,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 11:23:00,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-10-16 11:23:00,955 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 5 states.
[2020-10-16 11:23:01,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 11:23:01,006 INFO L93 Difference]: Finished difference Result 326 states and 882 transitions.
[2020-10-16 11:23:01,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-10-16 11:23:01,007 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10
[2020-10-16 11:23:01,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 11:23:01,009 INFO L225 Difference]: With dead ends: 326
[2020-10-16 11:23:01,009 INFO L226 Difference]: Without dead ends: 158
[2020-10-16 11:23:01,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-10-16 11:23:01,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states.
[2020-10-16 11:23:01,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158.
[2020-10-16 11:23:01,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states.
[2020-10-16 11:23:01,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 396 transitions.
[2020-10-16 11:23:01,018 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 396 transitions. Word has length 10
[2020-10-16 11:23:01,018 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 11:23:01,018 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 396 transitions.
[2020-10-16 11:23:01,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 11:23:01,019 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 396 transitions.
[2020-10-16 11:23:01,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-10-16 11:23:01,020 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 11:23:01,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 11:23:01,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-16 11:23:01,021 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 11:23:01,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 11:23:01,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1670897012, now seen corresponding path program 1 times
[2020-10-16 11:23:01,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 11:23:01,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566863948]
[2020-10-16 11:23:01,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 11:23:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 11:23:01,078 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 11:23:01,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566863948]
[2020-10-16 11:23:01,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 11:23:01,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 11:23:01,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564114663]
[2020-10-16 11:23:01,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 11:23:01,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 11:23:01,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 11:23:01,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-10-16 11:23:01,081 INFO L87 Difference]: Start difference. First operand 158 states and 396 transitions. Second operand 5 states.
[2020-10-16 11:23:01,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 11:23:01,131 INFO L93 Difference]: Finished difference Result 194 states and 470 transitions.
[2020-10-16 11:23:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-10-16 11:23:01,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12
[2020-10-16 11:23:01,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 11:23:01,133 INFO L225 Difference]: With dead ends: 194
[2020-10-16 11:23:01,133 INFO L226 Difference]: Without dead ends: 74
[2020-10-16 11:23:01,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-10-16 11:23:01,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states.
[2020-10-16 11:23:01,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74.
[2020-10-16 11:23:01,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states.
[2020-10-16 11:23:01,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 164 transitions.
[2020-10-16 11:23:01,137 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 164 transitions. Word has length 12
[2020-10-16 11:23:01,138 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 11:23:01,138 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 164 transitions.
[2020-10-16 11:23:01,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 11:23:01,138 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 164 transitions.
[2020-10-16 11:23:01,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-10-16 11:23:01,139 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 11:23:01,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 11:23:01,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-16 11:23:01,140 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 11:23:01,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 11:23:01,140 INFO L82 PathProgramCache]: Analyzing trace with hash -2118870046, now seen corresponding path program 1 times
[2020-10-16 11:23:01,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 11:23:01,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733181403]
[2020-10-16 11:23:01,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 11:23:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 11:23:01,192 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 11:23:01,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733181403]
[2020-10-16 11:23:01,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 11:23:01,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 11:23:01,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282896947]
[2020-10-16 11:23:01,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 11:23:01,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 11:23:01,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 11:23:01,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-10-16 11:23:01,194 INFO L87 Difference]: Start difference. First operand 74 states and 164 transitions. Second operand 5 states.
[2020-10-16 11:23:01,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 11:23:01,240 INFO L93 Difference]: Finished difference Result 62 states and 132 transitions.
[2020-10-16 11:23:01,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-10-16 11:23:01,240 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14
[2020-10-16 11:23:01,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 11:23:01,241 INFO L225 Difference]: With dead ends: 62
[2020-10-16 11:23:01,241 INFO L226 Difference]: Without dead ends: 0
[2020-10-16 11:23:01,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-10-16 11:23:01,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-10-16 11:23:01,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-10-16 11:23:01,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-10-16 11:23:01,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-10-16 11:23:01,243 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14
[2020-10-16 11:23:01,243 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 11:23:01,243 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-10-16 11:23:01,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 11:23:01,243 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-10-16 11:23:01,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-10-16 11:23:01,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-16 11:23:01,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:23:01 BasicIcfg
[2020-10-16 11:23:01,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-16 11:23:01,250 INFO L168 Benchmark]: Toolchain (without parser) took 3748.96 ms. Allocated memory was 139.5 MB in the beginning and 249.6 MB in the end (delta: 110.1 MB). Free memory was 100.8 MB in the beginning and 105.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 105.4 MB. Max. memory is 7.1 GB.
[2020-10-16 11:23:01,251 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-10-16 11:23:01,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.57 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 100.6 MB in the beginning and 157.4 MB in the end (delta: -56.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB.
[2020-10-16 11:23:01,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.10 ms. Allocated memory is still 202.4 MB. Free memory was 156.7 MB in the beginning and 154.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-10-16 11:23:01,253 INFO L168 Benchmark]: Boogie Preprocessor took 24.84 ms. Allocated memory is still 202.4 MB. Free memory was 154.7 MB in the beginning and 153.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB.
[2020-10-16 11:23:01,254 INFO L168 Benchmark]: RCFGBuilder took 420.27 ms. Allocated memory is still 202.4 MB. Free memory was 153.4 MB in the beginning and 130.3 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB.
[2020-10-16 11:23:01,255 INFO L168 Benchmark]: TraceAbstraction took 2597.82 ms. Allocated memory was 202.4 MB in the beginning and 249.6 MB in the end (delta: 47.2 MB). Free memory was 130.3 MB in the beginning and 105.4 MB in the end (delta: 24.9 MB). Peak memory consumption was 72.1 MB. Max. memory is 7.1 GB.
[2020-10-16 11:23:01,259 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 650.57 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 100.6 MB in the beginning and 157.4 MB in the end (delta: -56.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 45.10 ms. Allocated memory is still 202.4 MB. Free memory was 156.7 MB in the beginning and 154.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 24.84 ms. Allocated memory is still 202.4 MB. Free memory was 154.7 MB in the beginning and 153.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 420.27 ms. Allocated memory is still 202.4 MB. Free memory was 153.4 MB in the beginning and 130.3 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 2597.82 ms. Allocated memory was 202.4 MB in the beginning and 249.6 MB in the end (delta: 47.2 MB). Free memory was 130.3 MB in the beginning and 105.4 MB in the end (delta: 24.9 MB). Peak memory consumption was 72.1 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
879 VarBasedMoverChecksPositive, 39 VarBasedMoverChecksNegative, 10 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 81 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.4s, 79 PlacesBefore, 32 PlacesAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 58 TotalNumberOfCompositions, 2579 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: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 110 SDtfs, 125 SDslu, 139 SDs, 0 SdLazy, 34 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 1600 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...