/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b981219
[2020-04-17 21:53:42,811 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-04-17 21:53:42,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-17 21:53:42,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-17 21:53:42,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-17 21:53:42,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-17 21:53:42,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-17 21:53:42,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-17 21:53:42,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-04-17 21:53:42,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-04-17 21:53:42,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-04-17 21:53:42,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-04-17 21:53:42,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-17 21:53:42,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-17 21:53:42,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-17 21:53:42,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-17 21:53:42,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-17 21:53:42,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-17 21:53:42,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-17 21:53:42,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-17 21:53:42,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-17 21:53:42,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-17 21:53:42,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-04-17 21:53:42,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-17 21:53:42,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-17 21:53:42,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-17 21:53:42,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-17 21:53:42,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-04-17 21:53:42,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-04-17 21:53:42,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-04-17 21:53:42,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-04-17 21:53:42,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-04-17 21:53:42,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-04-17 21:53:42,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-04-17 21:53:42,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2020-04-17 21:53:42,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-04-17 21:53:42,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-04-17 21:53:42,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf
[2020-04-17 21:53:42,872 INFO L113 SettingsManager]: Loading preferences was successful
[2020-04-17 21:53:42,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-17 21:53:42,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-17 21:53:42,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-04-17 21:53:42,873 INFO L138 SettingsManager]: * Use SBE=true
[2020-04-17 21:53:42,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-17 21:53:42,874 INFO L138 SettingsManager]: * sizeof long=4
[2020-04-17 21:53:42,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-04-17 21:53:42,874 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-04-17 21:53:42,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-04-17 21:53:42,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-04-17 21:53:42,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-17 21:53:42,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-04-17 21:53:42,875 INFO L138 SettingsManager]: * sizeof long double=12
[2020-04-17 21:53:42,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-04-17 21:53:42,876 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-04-17 21:53:42,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-04-17 21:53:42,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-17 21:53:42,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-04-17 21:53:42,876 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-04-17 21:53:42,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-04-17 21:53:42,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-17 21:53:42,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-17 21:53:42,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-04-17 21:53:42,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-17 21:53:42,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-04-17 21:53:42,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-17 21:53:42,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-17 21:53:42,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-17 21:53:43,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-17 21:53:43,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-17 21:53:43,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-17 21:53:43,191 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-04-17 21:53:43,192 INFO L275 PluginConnector]: CDTParser initialized
[2020-04-17 21:53:43,192 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i
[2020-04-17 21:53:43,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c63232f35/ee59c558994348338b710354221d8615/FLAG4f52eb058
[2020-04-17 21:53:43,694 INFO L306 CDTParser]: Found 1 translation units.
[2020-04-17 21:53:43,694 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i
[2020-04-17 21:53:43,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c63232f35/ee59c558994348338b710354221d8615/FLAG4f52eb058
[2020-04-17 21:53:43,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c63232f35/ee59c558994348338b710354221d8615
[2020-04-17 21:53:44,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-17 21:53:44,023 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-17 21:53:44,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-17 21:53:44,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-17 21:53:44,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-17 21:53:44,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 09:53:43" (1/1) ...
[2020-04-17 21:53:44,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a0fd2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 09:53:44, skipping insertion in model container
[2020-04-17 21:53:44,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 09:53:43" (1/1) ...
[2020-04-17 21:53:44,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-04-17 21:53:44,116 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-04-17 21:53:44,566 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-17 21:53:44,577 INFO L203 MainTranslator]: Completed pre-run
[2020-04-17 21:53:44,633 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-17 21:53:44,715 INFO L208 MainTranslator]: Completed translation
[2020-04-17 21:53:44,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 09:53:44 WrapperNode
[2020-04-17 21:53:44,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-17 21:53:44,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-17 21:53:44,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-17 21:53:44,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-17 21:53:44,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 09:53:44" (1/1) ...
[2020-04-17 21:53:44,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 09:53:44" (1/1) ...
[2020-04-17 21:53:44,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-17 21:53:44,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-17 21:53:44,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-17 21:53:44,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-04-17 21:53:44,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 09:53:44" (1/1) ...
[2020-04-17 21:53:44,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 09:53:44" (1/1) ...
[2020-04-17 21:53:44,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 09:53:44" (1/1) ...
[2020-04-17 21:53:44,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 09:53:44" (1/1) ...
[2020-04-17 21:53:44,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 09:53:44" (1/1) ...
[2020-04-17 21:53:44,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 09:53:44" (1/1) ...
[2020-04-17 21:53:44,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 09:53:44" (1/1) ...
[2020-04-17 21:53:44,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-17 21:53:44,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-17 21:53:44,797 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-04-17 21:53:44,797 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-04-17 21:53:44,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 09:53:44" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-17 21:53:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-04-17 21:53:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-04-17 21:53:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-17 21:53:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-17 21:53:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-04-17 21:53:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-04-17 21:53:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-04-17 21:53:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-04-17 21:53:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2020-04-17 21:53:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2020-04-17 21:53:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-04-17 21:53:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-17 21:53:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-17 21:53:44,865 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-04-17 21:53:45,326 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-17 21:53:45,327 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-04-17 21:53:45,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 09:53:45 BoogieIcfgContainer
[2020-04-17 21:53:45,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-17 21:53:45,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-17 21:53:45,333 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-04-17 21:53:45,337 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-04-17 21:53:45,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 09:53:43" (1/3) ...
[2020-04-17 21:53:45,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28469c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 09:53:45, skipping insertion in model container
[2020-04-17 21:53:45,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 09:53:44" (2/3) ...
[2020-04-17 21:53:45,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28469c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 09:53:45, skipping insertion in model container
[2020-04-17 21:53:45,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 09:53:45" (3/3) ...
[2020-04-17 21:53:45,341 INFO L109 eAbstractionObserver]: Analyzing ICFG safe007_pso.oepc.i
[2020-04-17 21:53:45,353 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-17 21:53:45,354 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-17 21:53:45,362 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-04-17 21:53:45,363 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-17 21:53:45,390 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,390 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,390 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,391 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,391 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,392 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,392 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,392 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,393 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,393 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,393 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,394 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,394 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,394 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,395 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,395 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,395 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,396 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,400 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,400 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,401 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,401 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,409 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,410 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,410 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,411 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,431 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,431 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,431 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,432 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 21:53:45,451 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-04-17 21:53:45,476 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-04-17 21:53:45,476 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-04-17 21:53:45,476 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-17 21:53:45,477 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-17 21:53:45,477 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-17 21:53:45,477 INFO L380 AbstractCegarLoop]: Difference is false
[2020-04-17 21:53:45,478 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-17 21:53:45,478 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-17 21:53:45,502 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow
[2020-04-17 21:53:45,505 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow
[2020-04-17 21:53:45,579 INFO L129 PetriNetUnfolder]: 2/68 cut-off events.
[2020-04-17 21:53:45,579 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-17 21:53:45,587 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place.
[2020-04-17 21:53:45,592 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow
[2020-04-17 21:53:45,634 INFO L129 PetriNetUnfolder]: 2/68 cut-off events.
[2020-04-17 21:53:45,634 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-17 21:53:45,635 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place.
[2020-04-17 21:53:45,638 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260
[2020-04-17 21:53:45,639 INFO L170 etLargeBlockEncoding]: Semantic Check.
[2020-04-17 21:53:47,333 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51
[2020-04-17 21:53:47,456 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2463
[2020-04-17 21:53:47,456 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57
[2020-04-17 21:53:47,460 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow
[2020-04-17 21:53:47,494 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states.
[2020-04-17 21:53:47,497 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states.
[2020-04-17 21:53:47,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-04-17 21:53:47,505 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 21:53:47,506 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 21:53:47,507 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 21:53:47,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 21:53:47,513 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times
[2020-04-17 21:53:47,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 21:53:47,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553855517]
[2020-04-17 21:53:47,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 21:53:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 21:53:47,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 21:53:47,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553855517]
[2020-04-17 21:53:47,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 21:53:47,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-17 21:53:47,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189141291]
[2020-04-17 21:53:47,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-04-17 21:53:47,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 21:53:47,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-04-17 21:53:47,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-04-17 21:53:47,701 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states.
[2020-04-17 21:53:47,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 21:53:47,743 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions.
[2020-04-17 21:53:47,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-04-17 21:53:47,745 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8
[2020-04-17 21:53:47,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 21:53:47,775 INFO L225 Difference]: With dead ends: 362
[2020-04-17 21:53:47,775 INFO L226 Difference]: Without dead ends: 298
[2020-04-17 21:53:47,777 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-04-17 21:53:47,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states.
[2020-04-17 21:53:47,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298.
[2020-04-17 21:53:47,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states.
[2020-04-17 21:53:47,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions.
[2020-04-17 21:53:47,852 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8
[2020-04-17 21:53:47,853 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 21:53:47,853 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions.
[2020-04-17 21:53:47,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-04-17 21:53:47,853 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions.
[2020-04-17 21:53:47,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-04-17 21:53:47,858 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 21:53:47,858 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 21:53:47,858 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 21:53:47,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 21:53:47,861 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times
[2020-04-17 21:53:47,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 21:53:47,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466218065]
[2020-04-17 21:53:47,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 21:53:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 21:53:48,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 21:53:48,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466218065]
[2020-04-17 21:53:48,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 21:53:48,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-17 21:53:48,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798128821]
[2020-04-17 21:53:48,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-17 21:53:48,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 21:53:48,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-17 21:53:48,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-17 21:53:48,006 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states.
[2020-04-17 21:53:48,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 21:53:48,081 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions.
[2020-04-17 21:53:48,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-17 21:53:48,086 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9
[2020-04-17 21:53:48,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 21:53:48,092 INFO L225 Difference]: With dead ends: 330
[2020-04-17 21:53:48,093 INFO L226 Difference]: Without dead ends: 266
[2020-04-17 21:53:48,094 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-04-17 21:53:48,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states.
[2020-04-17 21:53:48,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266.
[2020-04-17 21:53:48,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states.
[2020-04-17 21:53:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions.
[2020-04-17 21:53:48,140 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9
[2020-04-17 21:53:48,142 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 21:53:48,142 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions.
[2020-04-17 21:53:48,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-17 21:53:48,143 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions.
[2020-04-17 21:53:48,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-04-17 21:53:48,145 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 21:53:48,145 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 21:53:48,146 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 21:53:48,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 21:53:48,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1226466257, now seen corresponding path program 1 times
[2020-04-17 21:53:48,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 21:53:48,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154625114]
[2020-04-17 21:53:48,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 21:53:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 21:53:48,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 21:53:48,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154625114]
[2020-04-17 21:53:48,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 21:53:48,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-17 21:53:48,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745776221]
[2020-04-17 21:53:48,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-17 21:53:48,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 21:53:48,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-17 21:53:48,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-17 21:53:48,244 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 4 states.
[2020-04-17 21:53:48,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 21:53:48,292 INFO L93 Difference]: Finished difference Result 290 states and 786 transitions.
[2020-04-17 21:53:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-17 21:53:48,294 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10
[2020-04-17 21:53:48,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 21:53:48,297 INFO L225 Difference]: With dead ends: 290
[2020-04-17 21:53:48,297 INFO L226 Difference]: Without dead ends: 242
[2020-04-17 21:53:48,300 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-04-17 21:53:48,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states.
[2020-04-17 21:53:48,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242.
[2020-04-17 21:53:48,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states.
[2020-04-17 21:53:48,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 670 transitions.
[2020-04-17 21:53:48,319 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 670 transitions. Word has length 10
[2020-04-17 21:53:48,320 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 21:53:48,320 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 670 transitions.
[2020-04-17 21:53:48,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-17 21:53:48,320 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions.
[2020-04-17 21:53:48,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-04-17 21:53:48,322 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 21:53:48,322 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 21:53:48,322 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 21:53:48,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 21:53:48,323 INFO L82 PathProgramCache]: Analyzing trace with hash -635370963, now seen corresponding path program 1 times
[2020-04-17 21:53:48,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 21:53:48,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780886853]
[2020-04-17 21:53:48,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 21:53:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 21:53:48,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 21:53:48,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780886853]
[2020-04-17 21:53:48,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 21:53:48,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-17 21:53:48,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714488916]
[2020-04-17 21:53:48,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-17 21:53:48,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 21:53:48,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-17 21:53:48,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-04-17 21:53:48,431 INFO L87 Difference]: Start difference. First operand 242 states and 670 transitions. Second operand 5 states.
[2020-04-17 21:53:48,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 21:53:48,490 INFO L93 Difference]: Finished difference Result 302 states and 815 transitions.
[2020-04-17 21:53:48,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-04-17 21:53:48,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11
[2020-04-17 21:53:48,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 21:53:48,492 INFO L225 Difference]: With dead ends: 302
[2020-04-17 21:53:48,492 INFO L226 Difference]: Without dead ends: 170
[2020-04-17 21:53:48,493 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-04-17 21:53:48,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states.
[2020-04-17 21:53:48,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170.
[2020-04-17 21:53:48,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states.
[2020-04-17 21:53:48,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 432 transitions.
[2020-04-17 21:53:48,501 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 432 transitions. Word has length 11
[2020-04-17 21:53:48,501 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 21:53:48,501 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 432 transitions.
[2020-04-17 21:53:48,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-17 21:53:48,502 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 432 transitions.
[2020-04-17 21:53:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-04-17 21:53:48,503 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 21:53:48,503 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 21:53:48,504 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 21:53:48,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 21:53:48,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1751358773, now seen corresponding path program 1 times
[2020-04-17 21:53:48,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 21:53:48,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888253736]
[2020-04-17 21:53:48,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 21:53:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 21:53:48,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 21:53:48,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888253736]
[2020-04-17 21:53:48,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 21:53:48,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-17 21:53:48,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735334622]
[2020-04-17 21:53:48,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-17 21:53:48,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 21:53:48,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-17 21:53:48,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-04-17 21:53:48,575 INFO L87 Difference]: Start difference. First operand 170 states and 432 transitions. Second operand 5 states.
[2020-04-17 21:53:48,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 21:53:48,649 INFO L93 Difference]: Finished difference Result 182 states and 446 transitions.
[2020-04-17 21:53:48,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-04-17 21:53:48,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12
[2020-04-17 21:53:48,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 21:53:48,651 INFO L225 Difference]: With dead ends: 182
[2020-04-17 21:53:48,652 INFO L226 Difference]: Without dead ends: 158
[2020-04-17 21:53:48,655 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-04-17 21:53:48,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states.
[2020-04-17 21:53:48,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158.
[2020-04-17 21:53:48,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states.
[2020-04-17 21:53:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 394 transitions.
[2020-04-17 21:53:48,669 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 394 transitions. Word has length 12
[2020-04-17 21:53:48,670 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 21:53:48,670 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 394 transitions.
[2020-04-17 21:53:48,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-17 21:53:48,670 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 394 transitions.
[2020-04-17 21:53:48,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-04-17 21:53:48,672 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 21:53:48,672 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 21:53:48,674 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 21:53:48,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 21:53:48,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1491329578, now seen corresponding path program 1 times
[2020-04-17 21:53:48,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 21:53:48,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910997073]
[2020-04-17 21:53:48,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 21:53:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 21:53:48,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 21:53:48,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910997073]
[2020-04-17 21:53:48,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 21:53:48,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-17 21:53:48,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343001574]
[2020-04-17 21:53:48,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-17 21:53:48,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 21:53:48,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-17 21:53:48,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-04-17 21:53:48,787 INFO L87 Difference]: Start difference. First operand 158 states and 394 transitions. Second operand 5 states.
[2020-04-17 21:53:48,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 21:53:48,833 INFO L93 Difference]: Finished difference Result 212 states and 513 transitions.
[2020-04-17 21:53:48,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-04-17 21:53:48,834 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13
[2020-04-17 21:53:48,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 21:53:48,835 INFO L225 Difference]: With dead ends: 212
[2020-04-17 21:53:48,835 INFO L226 Difference]: Without dead ends: 98
[2020-04-17 21:53:48,835 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-04-17 21:53:48,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2020-04-17 21:53:48,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98.
[2020-04-17 21:53:48,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states.
[2020-04-17 21:53:48,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 218 transitions.
[2020-04-17 21:53:48,839 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 218 transitions. Word has length 13
[2020-04-17 21:53:48,864 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 21:53:48,864 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 218 transitions.
[2020-04-17 21:53:48,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-17 21:53:48,864 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions.
[2020-04-17 21:53:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-04-17 21:53:48,865 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 21:53:48,865 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 21:53:48,866 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 21:53:48,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 21:53:48,866 INFO L82 PathProgramCache]: Analyzing trace with hash -647415272, now seen corresponding path program 1 times
[2020-04-17 21:53:48,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 21:53:48,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752441007]
[2020-04-17 21:53:48,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 21:53:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 21:53:48,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 21:53:48,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752441007]
[2020-04-17 21:53:48,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 21:53:48,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-17 21:53:48,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905555126]
[2020-04-17 21:53:48,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-17 21:53:48,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 21:53:48,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-17 21:53:48,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-04-17 21:53:48,940 INFO L87 Difference]: Start difference. First operand 98 states and 218 transitions. Second operand 5 states.
[2020-04-17 21:53:48,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 21:53:48,987 INFO L93 Difference]: Finished difference Result 86 states and 186 transitions.
[2020-04-17 21:53:48,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-04-17 21:53:48,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14
[2020-04-17 21:53:48,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 21:53:48,989 INFO L225 Difference]: With dead ends: 86
[2020-04-17 21:53:48,989 INFO L226 Difference]: Without dead ends: 0
[2020-04-17 21:53:48,989 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-04-17 21:53:48,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-04-17 21:53:48,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-04-17 21:53:48,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-04-17 21:53:48,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-04-17 21:53:48,990 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14
[2020-04-17 21:53:48,990 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 21:53:48,990 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-04-17 21:53:48,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-17 21:53:48,990 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-04-17 21:53:48,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-17 21:53:48,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 09:53:48 BasicIcfg
[2020-04-17 21:53:48,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-17 21:53:48,997 INFO L168 Benchmark]: Toolchain (without parser) took 4989.44 ms. Allocated memory was 142.6 MB in the beginning and 250.1 MB in the end (delta: 107.5 MB). Free memory was 100.7 MB in the beginning and 203.0 MB in the end (delta: -102.3 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB.
[2020-04-17 21:53:48,998 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 142.6 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2020-04-17 21:53:48,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.24 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 98.8 MB in the beginning and 158.5 MB in the end (delta: -59.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB.
[2020-04-17 21:53:49,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.73 ms. Allocated memory is still 201.3 MB. Free memory was 158.5 MB in the beginning and 156.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
[2020-04-17 21:53:49,001 INFO L168 Benchmark]: Boogie Preprocessor took 28.14 ms. Allocated memory is still 201.3 MB. Free memory was 156.3 MB in the beginning and 155.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
[2020-04-17 21:53:49,002 INFO L168 Benchmark]: RCFGBuilder took 534.48 ms. Allocated memory is still 201.3 MB. Free memory was 155.0 MB in the beginning and 132.7 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB.
[2020-04-17 21:53:49,003 INFO L168 Benchmark]: TraceAbstraction took 3662.45 ms. Allocated memory was 201.3 MB in the beginning and 250.1 MB in the end (delta: 48.8 MB). Free memory was 132.0 MB in the beginning and 203.0 MB in the end (delta: -71.0 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-04-17 21:53:49,007 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.41 ms. Allocated memory is still 142.6 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 691.24 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 98.8 MB in the beginning and 158.5 MB in the end (delta: -59.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 51.73 ms. Allocated memory is still 201.3 MB. Free memory was 158.5 MB in the beginning and 156.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 28.14 ms. Allocated memory is still 201.3 MB. Free memory was 156.3 MB in the beginning and 155.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 534.48 ms. Allocated memory is still 201.3 MB. Free memory was 155.0 MB in the beginning and 132.7 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3662.45 ms. Allocated memory was 201.3 MB in the beginning and 250.1 MB in the end (delta: 48.8 MB). Free memory was 132.0 MB in the beginning and 203.0 MB in the end (delta: -71.0 MB). There was no memory consumed. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
LbeTime: 1.9s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 688 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 2463 CheckedPairsTotal, 57 TotalNumberOfCompositions
- PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 151 SDtfs, 171 SDslu, 225 SDs, 0 SdLazy, 66 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 2556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...