/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-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-lit/fkp2014.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 14:44:05,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 14:44:05,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 14:44:05,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 14:44:05,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 14:44:05,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 14:44:05,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 14:44:05,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 14:44:05,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 14:44:05,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 14:44:05,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 14:44:05,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 14:44:05,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 14:44:05,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 14:44:05,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 14:44:05,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 14:44:05,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 14:44:05,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 14:44:05,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 14:44:05,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 14:44:05,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 14:44:05,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 14:44:05,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 14:44:05,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 14:44:05,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 14:44:05,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 14:44:05,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 14:44:05,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 14:44:05,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 14:44:05,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 14:44:05,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 14:44:05,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 14:44:05,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 14:44:05,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 14:44:05,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 14:44:05,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 14:44:05,243 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-NoLbe.epf [2019-12-27 14:44:05,257 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 14:44:05,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 14:44:05,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 14:44:05,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 14:44:05,259 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 14:44:05,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 14:44:05,260 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 14:44:05,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 14:44:05,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 14:44:05,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 14:44:05,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 14:44:05,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 14:44:05,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 14:44:05,261 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 14:44:05,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 14:44:05,261 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 14:44:05,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 14:44:05,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 14:44:05,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 14:44:05,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 14:44:05,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 14:44:05,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 14:44:05,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 14:44:05,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 14:44:05,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 14:44:05,263 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 14:44:05,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 14:44:05,264 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 14:44:05,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 14:44:05,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 14:44:05,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 14:44:05,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 14:44:05,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 14:44:05,555 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 14:44:05,555 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 14:44:05,556 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2014.i [2019-12-27 14:44:05,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3201d36e/b4713cf8cbcf4777b88a5fc091efecf2/FLAGcbee16a87 [2019-12-27 14:44:06,180 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 14:44:06,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2014.i [2019-12-27 14:44:06,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3201d36e/b4713cf8cbcf4777b88a5fc091efecf2/FLAGcbee16a87 [2019-12-27 14:44:06,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3201d36e/b4713cf8cbcf4777b88a5fc091efecf2 [2019-12-27 14:44:06,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 14:44:06,558 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 14:44:06,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 14:44:06,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 14:44:06,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 14:44:06,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 02:44:06" (1/1) ... [2019-12-27 14:44:06,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4061c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:44:06, skipping insertion in model container [2019-12-27 14:44:06,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 02:44:06" (1/1) ... [2019-12-27 14:44:06,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 14:44:06,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 14:44:07,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 14:44:07,189 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 14:44:07,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 14:44:07,366 INFO L208 MainTranslator]: Completed translation [2019-12-27 14:44:07,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:44:07 WrapperNode [2019-12-27 14:44:07,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 14:44:07,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 14:44:07,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 14:44:07,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 14:44:07,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:44:07" (1/1) ... [2019-12-27 14:44:07,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:44:07" (1/1) ... [2019-12-27 14:44:07,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 14:44:07,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 14:44:07,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 14:44:07,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 14:44:07,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:44:07" (1/1) ... [2019-12-27 14:44:07,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:44:07" (1/1) ... [2019-12-27 14:44:07,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:44:07" (1/1) ... [2019-12-27 14:44:07,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:44:07" (1/1) ... [2019-12-27 14:44:07,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:44:07" (1/1) ... [2019-12-27 14:44:07,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:44:07" (1/1) ... [2019-12-27 14:44:07,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:44:07" (1/1) ... [2019-12-27 14:44:07,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 14:44:07,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 14:44:07,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 14:44:07,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 14:44:07,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:44:07" (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 [2019-12-27 14:44:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 14:44:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 14:44:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2019-12-27 14:44:07,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2019-12-27 14:44:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 14:44:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 14:44:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 14:44:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 14:44:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 14:44:07,569 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 14:44:07,899 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 14:44:07,900 INFO L287 CfgBuilder]: Removed 11 assume(true) statements. [2019-12-27 14:44:07,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 02:44:07 BoogieIcfgContainer [2019-12-27 14:44:07,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 14:44:07,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 14:44:07,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 14:44:07,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 14:44:07,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 02:44:06" (1/3) ... [2019-12-27 14:44:07,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@666d8976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 02:44:07, skipping insertion in model container [2019-12-27 14:44:07,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:44:07" (2/3) ... [2019-12-27 14:44:07,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@666d8976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 02:44:07, skipping insertion in model container [2019-12-27 14:44:07,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 02:44:07" (3/3) ... [2019-12-27 14:44:07,910 INFO L109 eAbstractionObserver]: Analyzing ICFG fkp2014.i [2019-12-27 14:44:07,921 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 14:44:07,922 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 14:44:07,929 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 14:44:07,930 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 14:44:07,955 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,955 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,955 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,956 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,956 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,956 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,957 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,957 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,957 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,958 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,958 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,958 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,959 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,959 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,963 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,964 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,964 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,964 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,964 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,965 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,965 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,965 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:07,982 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 14:44:08,004 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 14:44:08,005 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 14:44:08,005 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 14:44:08,005 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 14:44:08,005 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 14:44:08,005 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 14:44:08,006 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 14:44:08,006 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 14:44:08,017 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 43 transitions [2019-12-27 14:44:08,040 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 193 states. [2019-12-27 14:44:08,042 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2019-12-27 14:44:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-27 14:44:08,052 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:44:08,054 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:44:08,054 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:44:08,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:44:08,061 INFO L82 PathProgramCache]: Analyzing trace with hash -500488566, now seen corresponding path program 1 times [2019-12-27 14:44:08,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:44:08,072 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671866515] [2019-12-27 14:44:08,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:44:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 14:44:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 14:44:08,277 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 14:44:08,280 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 14:44:08,281 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 14:44:08,281 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-27 14:44:08,300 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,300 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,300 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,301 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,301 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,301 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,302 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,302 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,302 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,302 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,303 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,303 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,303 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,303 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,304 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,304 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,305 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,305 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,305 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,306 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,306 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,306 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,306 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,307 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,307 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,307 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,307 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,308 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,308 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,308 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,309 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,309 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,309 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,309 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,309 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,309 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,312 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,312 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,312 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,312 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,312 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,313 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,313 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,313 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:08,327 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 14:44:08,327 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 14:44:08,327 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 14:44:08,328 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 14:44:08,328 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 14:44:08,328 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 14:44:08,328 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 14:44:08,328 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 14:44:08,328 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 14:44:08,336 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 56 transitions [2019-12-27 14:44:08,464 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2197 states. [2019-12-27 14:44:08,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states. [2019-12-27 14:44:08,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-27 14:44:08,472 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:44:08,473 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:44:08,473 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:44:08,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:44:08,481 INFO L82 PathProgramCache]: Analyzing trace with hash -716138185, now seen corresponding path program 1 times [2019-12-27 14:44:08,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:44:08,482 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93385690] [2019-12-27 14:44:08,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:44:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:44:08,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:44:08,770 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93385690] [2019-12-27 14:44:08,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:44:08,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 14:44:08,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803426536] [2019-12-27 14:44:08,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 14:44:08,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:44:08,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 14:44:08,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-27 14:44:08,791 INFO L87 Difference]: Start difference. First operand 2197 states. Second operand 7 states. [2019-12-27 14:44:09,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:44:09,070 INFO L93 Difference]: Finished difference Result 2213 states and 5823 transitions. [2019-12-27 14:44:09,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-27 14:44:09,072 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2019-12-27 14:44:09,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:44:09,117 INFO L225 Difference]: With dead ends: 2213 [2019-12-27 14:44:09,117 INFO L226 Difference]: Without dead ends: 1907 [2019-12-27 14:44:09,119 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-12-27 14:44:09,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1907 states. [2019-12-27 14:44:09,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1907 to 1811. [2019-12-27 14:44:09,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2019-12-27 14:44:09,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 4805 transitions. [2019-12-27 14:44:09,298 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 4805 transitions. Word has length 26 [2019-12-27 14:44:09,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:44:09,300 INFO L462 AbstractCegarLoop]: Abstraction has 1811 states and 4805 transitions. [2019-12-27 14:44:09,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 14:44:09,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 4805 transitions. [2019-12-27 14:44:09,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-27 14:44:09,309 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:44:09,309 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:44:09,309 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:44:09,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:44:09,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1725382090, now seen corresponding path program 1 times [2019-12-27 14:44:09,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:44:09,310 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995925618] [2019-12-27 14:44:09,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:44:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 14:44:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 14:44:09,364 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 14:44:09,364 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 14:44:09,367 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 14:44:09,367 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-27 14:44:09,376 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,377 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,377 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,377 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,377 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,377 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,377 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,378 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,378 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,378 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,378 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,378 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,378 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,378 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,379 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,379 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,379 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,379 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,379 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,379 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,380 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,380 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,380 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,380 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,380 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,381 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,381 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,381 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,381 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,381 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,382 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,382 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,382 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,382 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,382 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,382 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,383 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,383 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,383 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,383 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,383 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,384 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,384 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,384 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,384 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,385 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,385 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,385 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,385 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,385 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,387 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,388 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,388 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,388 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,388 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,388 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,388 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,389 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,391 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,391 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,391 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,391 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,391 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,392 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,392 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,392 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:09,394 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 14:44:09,394 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 14:44:09,394 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 14:44:09,394 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 14:44:09,394 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 14:44:09,395 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 14:44:09,395 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 14:44:09,395 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 14:44:09,395 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 14:44:09,397 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 69 transitions [2019-12-27 14:44:11,821 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 26245 states. [2019-12-27 14:44:11,821 INFO L276 IsEmpty]: Start isEmpty. Operand 26245 states. [2019-12-27 14:44:11,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-27 14:44:11,822 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:44:11,822 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:44:11,822 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:44:11,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:44:11,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1525827647, now seen corresponding path program 1 times [2019-12-27 14:44:11,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:44:11,823 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773296815] [2019-12-27 14:44:11,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:44:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:44:11,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:44:11,935 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773296815] [2019-12-27 14:44:11,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:44:11,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 14:44:11,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94154556] [2019-12-27 14:44:11,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 14:44:11,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:44:11,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 14:44:11,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-27 14:44:11,938 INFO L87 Difference]: Start difference. First operand 26245 states. Second operand 7 states. [2019-12-27 14:44:13,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:44:13,169 INFO L93 Difference]: Finished difference Result 30164 states and 106666 transitions. [2019-12-27 14:44:13,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-27 14:44:13,170 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2019-12-27 14:44:13,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:44:13,366 INFO L225 Difference]: With dead ends: 30164 [2019-12-27 14:44:13,367 INFO L226 Difference]: Without dead ends: 28826 [2019-12-27 14:44:13,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-12-27 14:44:13,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28826 states. [2019-12-27 14:44:14,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28826 to 25574. [2019-12-27 14:44:14,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25574 states. [2019-12-27 14:44:14,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25574 states to 25574 states and 91343 transitions. [2019-12-27 14:44:14,559 INFO L78 Accepts]: Start accepts. Automaton has 25574 states and 91343 transitions. Word has length 26 [2019-12-27 14:44:14,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:44:14,560 INFO L462 AbstractCegarLoop]: Abstraction has 25574 states and 91343 transitions. [2019-12-27 14:44:14,560 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 14:44:14,560 INFO L276 IsEmpty]: Start isEmpty. Operand 25574 states and 91343 transitions. [2019-12-27 14:44:14,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-27 14:44:14,562 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:44:14,562 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:44:14,563 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:44:14,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:44:14,563 INFO L82 PathProgramCache]: Analyzing trace with hash -342198604, now seen corresponding path program 1 times [2019-12-27 14:44:14,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:44:14,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265510104] [2019-12-27 14:44:14,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:44:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:44:14,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-27 14:44:14,665 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265510104] [2019-12-27 14:44:14,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:44:14,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 14:44:14,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799394400] [2019-12-27 14:44:14,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 14:44:14,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:44:14,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 14:44:14,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-27 14:44:14,667 INFO L87 Difference]: Start difference. First operand 25574 states and 91343 transitions. Second operand 7 states. [2019-12-27 14:44:15,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:44:15,410 INFO L93 Difference]: Finished difference Result 30309 states and 106246 transitions. [2019-12-27 14:44:15,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-27 14:44:15,411 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-12-27 14:44:15,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:44:15,535 INFO L225 Difference]: With dead ends: 30309 [2019-12-27 14:44:15,535 INFO L226 Difference]: Without dead ends: 29679 [2019-12-27 14:44:15,536 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-12-27 14:44:15,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29679 states. [2019-12-27 14:44:17,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29679 to 26139. [2019-12-27 14:44:17,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26139 states. [2019-12-27 14:44:17,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26139 states to 26139 states and 92531 transitions. [2019-12-27 14:44:17,626 INFO L78 Accepts]: Start accepts. Automaton has 26139 states and 92531 transitions. Word has length 33 [2019-12-27 14:44:17,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:44:17,628 INFO L462 AbstractCegarLoop]: Abstraction has 26139 states and 92531 transitions. [2019-12-27 14:44:17,628 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 14:44:17,628 INFO L276 IsEmpty]: Start isEmpty. Operand 26139 states and 92531 transitions. [2019-12-27 14:44:17,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-27 14:44:17,635 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:44:17,635 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:44:17,635 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:44:17,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:44:17,636 INFO L82 PathProgramCache]: Analyzing trace with hash 228922057, now seen corresponding path program 1 times [2019-12-27 14:44:17,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:44:17,636 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554492993] [2019-12-27 14:44:17,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:44:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:44:17,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:44:17,791 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554492993] [2019-12-27 14:44:17,791 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751915914] [2019-12-27 14:44:17,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 14:44:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:44:17,881 INFO L264 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-27 14:44:17,887 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 14:44:18,040 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-27 14:44:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:44:18,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 14:44:18,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-12-27 14:44:18,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143024539] [2019-12-27 14:44:18,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-27 14:44:18,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:44:18,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-27 14:44:18,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2019-12-27 14:44:18,087 INFO L87 Difference]: Start difference. First operand 26139 states and 92531 transitions. Second operand 16 states. [2019-12-27 14:44:19,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:44:19,231 INFO L93 Difference]: Finished difference Result 27411 states and 95740 transitions. [2019-12-27 14:44:19,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-12-27 14:44:19,232 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 40 [2019-12-27 14:44:19,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:44:19,349 INFO L225 Difference]: With dead ends: 27411 [2019-12-27 14:44:19,349 INFO L226 Difference]: Without dead ends: 26475 [2019-12-27 14:44:19,350 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=291, Invalid=765, Unknown=0, NotChecked=0, Total=1056 [2019-12-27 14:44:19,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26475 states. [2019-12-27 14:44:20,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26475 to 21372. [2019-12-27 14:44:20,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21372 states. [2019-12-27 14:44:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21372 states to 21372 states and 75619 transitions. [2019-12-27 14:44:20,110 INFO L78 Accepts]: Start accepts. Automaton has 21372 states and 75619 transitions. Word has length 40 [2019-12-27 14:44:20,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:44:20,111 INFO L462 AbstractCegarLoop]: Abstraction has 21372 states and 75619 transitions. [2019-12-27 14:44:20,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-27 14:44:20,111 INFO L276 IsEmpty]: Start isEmpty. Operand 21372 states and 75619 transitions. [2019-12-27 14:44:20,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-27 14:44:20,115 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:44:20,115 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:44:20,320 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 14:44:20,321 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:44:20,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:44:20,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1426081419, now seen corresponding path program 1 times [2019-12-27 14:44:20,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:44:20,323 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755765730] [2019-12-27 14:44:20,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:44:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:44:21,490 WARN L192 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 7 [2019-12-27 14:44:21,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:44:21,526 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755765730] [2019-12-27 14:44:21,527 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456732429] [2019-12-27 14:44:21,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 14:44:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:44:21,581 INFO L264 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-27 14:44:21,584 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 14:44:21,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-27 14:44:21,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:44:21,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-27 14:44:21,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2019-12-27 14:44:21,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535932040] [2019-12-27 14:44:21,694 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-27 14:44:21,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:44:21,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-27 14:44:21,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2019-12-27 14:44:21,695 INFO L87 Difference]: Start difference. First operand 21372 states and 75619 transitions. Second operand 9 states. [2019-12-27 14:44:22,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:44:22,124 INFO L93 Difference]: Finished difference Result 31407 states and 109756 transitions. [2019-12-27 14:44:22,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-27 14:44:22,124 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2019-12-27 14:44:22,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:44:22,238 INFO L225 Difference]: With dead ends: 31407 [2019-12-27 14:44:22,239 INFO L226 Difference]: Without dead ends: 30861 [2019-12-27 14:44:22,239 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2019-12-27 14:44:22,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30861 states. [2019-12-27 14:44:23,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30861 to 23031. [2019-12-27 14:44:23,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23031 states. [2019-12-27 14:44:23,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23031 states to 23031 states and 81499 transitions. [2019-12-27 14:44:23,179 INFO L78 Accepts]: Start accepts. Automaton has 23031 states and 81499 transitions. Word has length 40 [2019-12-27 14:44:23,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:44:23,180 INFO L462 AbstractCegarLoop]: Abstraction has 23031 states and 81499 transitions. [2019-12-27 14:44:23,180 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-27 14:44:23,180 INFO L276 IsEmpty]: Start isEmpty. Operand 23031 states and 81499 transitions. [2019-12-27 14:44:23,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-27 14:44:23,185 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:44:23,185 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:44:23,389 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 14:44:23,389 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:44:23,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:44:23,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1578309869, now seen corresponding path program 2 times [2019-12-27 14:44:23,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:44:23,391 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078658409] [2019-12-27 14:44:23,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:44:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:44:23,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-27 14:44:23,476 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078658409] [2019-12-27 14:44:23,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:44:23,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-12-27 14:44:23,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137614152] [2019-12-27 14:44:23,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-27 14:44:23,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:44:23,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-27 14:44:23,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-12-27 14:44:23,478 INFO L87 Difference]: Start difference. First operand 23031 states and 81499 transitions. Second operand 9 states. [2019-12-27 14:44:23,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:44:23,946 INFO L93 Difference]: Finished difference Result 41589 states and 142636 transitions. [2019-12-27 14:44:23,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-27 14:44:23,947 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2019-12-27 14:44:23,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:44:24,066 INFO L225 Difference]: With dead ends: 41589 [2019-12-27 14:44:24,069 INFO L226 Difference]: Without dead ends: 40641 [2019-12-27 14:44:24,070 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2019-12-27 14:44:24,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40641 states. [2019-12-27 14:44:24,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40641 to 18693. [2019-12-27 14:44:24,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18693 states. [2019-12-27 14:44:24,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18693 states to 18693 states and 66282 transitions. [2019-12-27 14:44:24,990 INFO L78 Accepts]: Start accepts. Automaton has 18693 states and 66282 transitions. Word has length 40 [2019-12-27 14:44:24,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:44:24,991 INFO L462 AbstractCegarLoop]: Abstraction has 18693 states and 66282 transitions. [2019-12-27 14:44:24,991 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-27 14:44:24,991 INFO L276 IsEmpty]: Start isEmpty. Operand 18693 states and 66282 transitions. [2019-12-27 14:44:24,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-27 14:44:24,994 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:44:24,995 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:44:24,995 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:44:24,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:44:24,995 INFO L82 PathProgramCache]: Analyzing trace with hash -733704694, now seen corresponding path program 1 times [2019-12-27 14:44:24,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:44:24,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865231001] [2019-12-27 14:44:24,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:44:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:44:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-27 14:44:25,104 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865231001] [2019-12-27 14:44:25,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:44:25,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 14:44:25,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672998556] [2019-12-27 14:44:25,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 14:44:25,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:44:25,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 14:44:25,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-27 14:44:25,108 INFO L87 Difference]: Start difference. First operand 18693 states and 66282 transitions. Second operand 7 states. [2019-12-27 14:44:25,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:44:25,338 INFO L93 Difference]: Finished difference Result 22967 states and 79515 transitions. [2019-12-27 14:44:25,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-27 14:44:25,339 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2019-12-27 14:44:25,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:44:25,384 INFO L225 Difference]: With dead ends: 22967 [2019-12-27 14:44:25,384 INFO L226 Difference]: Without dead ends: 22085 [2019-12-27 14:44:25,385 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-12-27 14:44:25,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22085 states. [2019-12-27 14:44:25,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22085 to 18581. [2019-12-27 14:44:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18581 states. [2019-12-27 14:44:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18581 states to 18581 states and 64939 transitions. [2019-12-27 14:44:25,760 INFO L78 Accepts]: Start accepts. Automaton has 18581 states and 64939 transitions. Word has length 40 [2019-12-27 14:44:25,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:44:25,761 INFO L462 AbstractCegarLoop]: Abstraction has 18581 states and 64939 transitions. [2019-12-27 14:44:25,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 14:44:25,761 INFO L276 IsEmpty]: Start isEmpty. Operand 18581 states and 64939 transitions. [2019-12-27 14:44:25,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-27 14:44:25,763 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:44:25,763 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:44:25,763 INFO L410 AbstractCegarLoop]: === Iteration 7 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:44:25,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:44:25,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1288507625, now seen corresponding path program 1 times [2019-12-27 14:44:25,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:44:25,764 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537968253] [2019-12-27 14:44:25,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:44:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 14:44:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 14:44:25,792 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 14:44:25,793 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 14:44:25,793 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 14:44:25,793 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-27 14:44:25,803 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,803 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,803 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,804 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,804 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,804 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,804 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,805 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,805 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,805 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,805 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,805 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,805 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,806 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,806 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,806 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,806 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,806 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,806 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,807 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,807 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,807 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,807 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,808 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,808 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,808 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,808 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,808 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,809 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,809 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,809 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,809 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,809 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,809 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,810 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,810 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,810 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,810 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,810 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,810 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,811 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,811 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,811 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,811 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,811 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,812 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,812 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,812 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,812 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,812 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,812 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,813 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,813 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,813 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,813 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,813 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,814 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,814 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,814 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,814 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,814 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,815 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,815 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,815 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,826 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,826 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,827 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,827 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,827 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,827 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,827 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,827 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,829 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,829 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,829 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,830 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,830 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,830 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,830 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,830 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,832 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,832 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,832 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,832 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,833 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,833 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,833 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,833 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:44:25,835 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 14:44:25,835 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 14:44:25,835 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 14:44:25,835 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 14:44:25,836 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 14:44:25,836 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 14:44:25,836 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 14:44:25,836 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 14:44:25,836 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 14:44:25,838 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 82 transitions Received shutdown request... [2019-12-27 14:48:30,061 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 14:48:30,066 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 14:48:30,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 02:48:30 BasicIcfg [2019-12-27 14:48:30,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 14:48:30,069 INFO L168 Benchmark]: Toolchain (without parser) took 263510.52 ms. Allocated memory was 137.9 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 100.0 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2019-12-27 14:48:30,069 INFO L168 Benchmark]: CDTParser took 2.59 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-27 14:48:30,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.92 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.8 MB in the beginning and 160.2 MB in the end (delta: -60.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-12-27 14:48:30,071 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.89 ms. Allocated memory is still 201.3 MB. Free memory was 160.2 MB in the beginning and 158.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 14:48:30,072 INFO L168 Benchmark]: Boogie Preprocessor took 54.78 ms. Allocated memory is still 201.3 MB. Free memory was 158.2 MB in the beginning and 156.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 14:48:30,072 INFO L168 Benchmark]: RCFGBuilder took 400.10 ms. Allocated memory is still 201.3 MB. Free memory was 156.9 MB in the beginning and 139.4 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-12-27 14:48:30,073 INFO L168 Benchmark]: TraceAbstraction took 262164.09 ms. Allocated memory was 201.3 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 138.8 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2019-12-27 14:48:30,078 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.59 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 806.92 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.8 MB in the beginning and 160.2 MB in the end (delta: -60.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 77.89 ms. Allocated memory is still 201.3 MB. Free memory was 160.2 MB in the beginning and 158.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.78 ms. Allocated memory is still 201.3 MB. Free memory was 158.2 MB in the beginning and 156.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 400.10 ms. Allocated memory is still 201.3 MB. Free memory was 156.9 MB in the beginning and 139.4 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 262164.09 ms. Allocated memory was 201.3 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 138.8 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 676]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 676). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 86 places, 82 transitions. Already constructed 308604 states. Currently 3613 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Result: TIMEOUT, OverallTime: 244.2s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown