/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-ext/13_unverif.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 08:46:26,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 08:46:26,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 08:46:26,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 08:46:26,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 08:46:26,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 08:46:26,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 08:46:26,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 08:46:26,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 08:46:26,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 08:46:26,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 08:46:26,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 08:46:26,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 08:46:26,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 08:46:26,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 08:46:26,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 08:46:26,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 08:46:26,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 08:46:26,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 08:46:26,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 08:46:26,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 08:46:26,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 08:46:26,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 08:46:26,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 08:46:26,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 08:46:26,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 08:46:26,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 08:46:26,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 08:46:26,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 08:46:26,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 08:46:26,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 08:46:26,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 08:46:26,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 08:46:26,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 08:46:26,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 08:46:26,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 08:46:26,270 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 08:46:26,284 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 08:46:26,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 08:46:26,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 08:46:26,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 08:46:26,286 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 08:46:26,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 08:46:26,287 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 08:46:26,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 08:46:26,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 08:46:26,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 08:46:26,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 08:46:26,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 08:46:26,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 08:46:26,288 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 08:46:26,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 08:46:26,288 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 08:46:26,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 08:46:26,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 08:46:26,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 08:46:26,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 08:46:26,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 08:46:26,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 08:46:26,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 08:46:26,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 08:46:26,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 08:46:26,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 08:46:26,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 08:46:26,292 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 08:46:26,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 08:46:26,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 08:46:26,575 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 08:46:26,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 08:46:26,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 08:46:26,594 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 08:46:26,595 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 08:46:26,596 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/13_unverif.i [2019-12-27 08:46:26,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d010e0f/7084a3e7207443db9b90855e509084ac/FLAG00be92b56 [2019-12-27 08:46:27,277 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 08:46:27,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/13_unverif.i [2019-12-27 08:46:27,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d010e0f/7084a3e7207443db9b90855e509084ac/FLAG00be92b56 [2019-12-27 08:46:27,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d010e0f/7084a3e7207443db9b90855e509084ac [2019-12-27 08:46:27,551 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 08:46:27,553 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 08:46:27,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 08:46:27,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 08:46:27,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 08:46:27,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:46:27" (1/1) ... [2019-12-27 08:46:27,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706757fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:27, skipping insertion in model container [2019-12-27 08:46:27,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:46:27" (1/1) ... [2019-12-27 08:46:27,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 08:46:27,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 08:46:28,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:46:28,086 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 08:46:28,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:46:28,238 INFO L208 MainTranslator]: Completed translation [2019-12-27 08:46:28,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:28 WrapperNode [2019-12-27 08:46:28,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 08:46:28,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 08:46:28,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 08:46:28,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 08:46:28,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:28" (1/1) ... [2019-12-27 08:46:28,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:28" (1/1) ... [2019-12-27 08:46:28,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 08:46:28,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 08:46:28,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 08:46:28,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 08:46:28,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:28" (1/1) ... [2019-12-27 08:46:28,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:28" (1/1) ... [2019-12-27 08:46:28,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:28" (1/1) ... [2019-12-27 08:46:28,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:28" (1/1) ... [2019-12-27 08:46:28,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:28" (1/1) ... [2019-12-27 08:46:28,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:28" (1/1) ... [2019-12-27 08:46:28,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:28" (1/1) ... [2019-12-27 08:46:28,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 08:46:28,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 08:46:28,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 08:46:28,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 08:46:28,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:28" (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 08:46:28,375 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-27 08:46:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-27 08:46:28,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 08:46:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 08:46:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 08:46:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 08:46:28,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 08:46:28,380 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 08:46:28,510 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_r_returnLabel [2019-12-27 08:46:28,677 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 08:46:28,678 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-27 08:46:28,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:46:28 BoogieIcfgContainer [2019-12-27 08:46:28,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 08:46:28,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 08:46:28,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 08:46:28,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 08:46:28,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 08:46:27" (1/3) ... [2019-12-27 08:46:28,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41531ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:46:28, skipping insertion in model container [2019-12-27 08:46:28,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:28" (2/3) ... [2019-12-27 08:46:28,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41531ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:46:28, skipping insertion in model container [2019-12-27 08:46:28,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:46:28" (3/3) ... [2019-12-27 08:46:28,688 INFO L109 eAbstractionObserver]: Analyzing ICFG 13_unverif.i [2019-12-27 08:46:28,699 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 08:46:28,700 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 08:46:28,711 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 08:46:28,712 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 08:46:28,738 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:28,738 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:28,738 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:28,739 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:28,739 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:28,740 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:28,740 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:28,741 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:28,741 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:28,741 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:28,742 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:28,746 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:28,746 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:28,746 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:28,747 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:28,747 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:28,763 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 08:46:28,779 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:46:28,780 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:46:28,780 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:46:28,780 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:46:28,780 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:46:28,780 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:46:28,781 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:46:28,781 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:46:28,789 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 31 transitions [2019-12-27 08:46:28,809 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 126 states. [2019-12-27 08:46:28,812 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2019-12-27 08:46:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-27 08:46:28,821 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:46:28,822 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:46:28,823 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:46:28,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:46:28,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1936243416, now seen corresponding path program 1 times [2019-12-27 08:46:28,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:46:28,840 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326786145] [2019-12-27 08:46:28,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:46:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:46:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:46:29,077 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:46:29,078 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:46:29,079 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 08:46:29,079 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-27 08:46:29,088 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,088 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,088 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,089 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,089 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,089 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,090 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,090 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,090 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,090 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,091 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,091 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,092 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,092 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,092 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,092 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,093 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,093 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,093 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,094 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,094 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,094 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,095 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,095 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,096 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,096 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,096 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,099 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,099 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,100 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,100 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,100 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:29,103 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 08:46:29,104 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:46:29,104 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:46:29,104 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:46:29,104 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:46:29,104 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:46:29,105 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:46:29,105 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:46:29,105 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:46:29,108 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 44 transitions [2019-12-27 08:46:29,177 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1325 states. [2019-12-27 08:46:29,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states. [2019-12-27 08:46:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 08:46:29,181 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:46:29,181 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:46:29,182 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:46:29,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:46:29,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1590964697, now seen corresponding path program 1 times [2019-12-27 08:46:29,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:46:29,183 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104527978] [2019-12-27 08:46:29,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:46:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:46:29,626 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 08:46:29,627 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104527978] [2019-12-27 08:46:29,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:46:29,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 08:46:29,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683690103] [2019-12-27 08:46:29,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 08:46:29,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:46:29,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 08:46:29,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 08:46:29,686 INFO L87 Difference]: Start difference. First operand 1325 states. Second operand 6 states. [2019-12-27 08:46:29,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:46:29,876 INFO L93 Difference]: Finished difference Result 971 states and 2651 transitions. [2019-12-27 08:46:29,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 08:46:29,880 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2019-12-27 08:46:29,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:46:29,914 INFO L225 Difference]: With dead ends: 971 [2019-12-27 08:46:29,914 INFO L226 Difference]: Without dead ends: 971 [2019-12-27 08:46:29,916 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 08:46:29,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2019-12-27 08:46:30,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 792. [2019-12-27 08:46:30,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2019-12-27 08:46:30,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 2158 transitions. [2019-12-27 08:46:30,074 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 2158 transitions. Word has length 18 [2019-12-27 08:46:30,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:46:30,075 INFO L462 AbstractCegarLoop]: Abstraction has 792 states and 2158 transitions. [2019-12-27 08:46:30,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 08:46:30,075 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 2158 transitions. [2019-12-27 08:46:30,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-27 08:46:30,077 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:46:30,077 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:46:30,077 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:46:30,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:46:30,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1703648244, now seen corresponding path program 1 times [2019-12-27 08:46:30,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:46:30,078 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908136749] [2019-12-27 08:46:30,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:46:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:46:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:46:30,107 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:46:30,107 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:46:30,109 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 08:46:30,109 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-27 08:46:30,116 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,117 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,117 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,117 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,117 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,117 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,118 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,118 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,118 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,118 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,118 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,119 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,119 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,119 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,119 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,119 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,119 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,120 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,120 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,120 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,120 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,120 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,121 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,121 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,121 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,121 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,121 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,122 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,122 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,122 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,122 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,122 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,123 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,123 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,123 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,123 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,123 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,124 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,126 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,126 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,126 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,126 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,126 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,128 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,128 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,128 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,128 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,128 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:30,130 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 08:46:30,130 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:46:30,131 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:46:30,131 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:46:30,131 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:46:30,131 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:46:30,131 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:46:30,131 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:46:30,131 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:46:30,133 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 57 transitions [2019-12-27 08:46:31,215 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 14514 states. [2019-12-27 08:46:31,215 INFO L276 IsEmpty]: Start isEmpty. Operand 14514 states. [2019-12-27 08:46:31,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 08:46:31,216 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:46:31,216 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:46:31,217 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:46:31,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:46:31,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1826883771, now seen corresponding path program 1 times [2019-12-27 08:46:31,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:46:31,218 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857357407] [2019-12-27 08:46:31,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:46:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:46:31,453 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 08:46:31,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857357407] [2019-12-27 08:46:31,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:46:31,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 08:46:31,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265328282] [2019-12-27 08:46:31,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 08:46:31,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:46:31,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 08:46:31,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 08:46:31,456 INFO L87 Difference]: Start difference. First operand 14514 states. Second operand 6 states. [2019-12-27 08:46:31,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:46:31,840 INFO L93 Difference]: Finished difference Result 10541 states and 39341 transitions. [2019-12-27 08:46:31,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 08:46:31,841 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2019-12-27 08:46:31,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:46:31,956 INFO L225 Difference]: With dead ends: 10541 [2019-12-27 08:46:31,957 INFO L226 Difference]: Without dead ends: 10541 [2019-12-27 08:46:31,957 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 08:46:32,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10541 states. [2019-12-27 08:46:32,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10541 to 8232. [2019-12-27 08:46:32,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8232 states. [2019-12-27 08:46:32,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8232 states to 8232 states and 30755 transitions. [2019-12-27 08:46:32,371 INFO L78 Accepts]: Start accepts. Automaton has 8232 states and 30755 transitions. Word has length 18 [2019-12-27 08:46:32,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:46:32,372 INFO L462 AbstractCegarLoop]: Abstraction has 8232 states and 30755 transitions. [2019-12-27 08:46:32,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 08:46:32,377 INFO L276 IsEmpty]: Start isEmpty. Operand 8232 states and 30755 transitions. [2019-12-27 08:46:32,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-27 08:46:32,382 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:46:32,383 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:46:32,388 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:46:32,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:46:32,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1130210603, now seen corresponding path program 1 times [2019-12-27 08:46:32,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:46:32,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722467649] [2019-12-27 08:46:32,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:46:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:46:32,594 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 08:46:32,595 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722467649] [2019-12-27 08:46:32,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:46:32,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 08:46:32,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735463045] [2019-12-27 08:46:32,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 08:46:32,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:46:32,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 08:46:32,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 08:46:32,597 INFO L87 Difference]: Start difference. First operand 8232 states and 30755 transitions. Second operand 4 states. [2019-12-27 08:46:32,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:46:32,977 INFO L93 Difference]: Finished difference Result 10931 states and 40507 transitions. [2019-12-27 08:46:32,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 08:46:32,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2019-12-27 08:46:32,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:46:33,041 INFO L225 Difference]: With dead ends: 10931 [2019-12-27 08:46:33,041 INFO L226 Difference]: Without dead ends: 10931 [2019-12-27 08:46:33,042 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 08:46:33,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10931 states. [2019-12-27 08:46:34,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10931 to 9461. [2019-12-27 08:46:34,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9461 states. [2019-12-27 08:46:34,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9461 states to 9461 states and 35504 transitions. [2019-12-27 08:46:34,225 INFO L78 Accepts]: Start accepts. Automaton has 9461 states and 35504 transitions. Word has length 21 [2019-12-27 08:46:34,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:46:34,225 INFO L462 AbstractCegarLoop]: Abstraction has 9461 states and 35504 transitions. [2019-12-27 08:46:34,225 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 08:46:34,225 INFO L276 IsEmpty]: Start isEmpty. Operand 9461 states and 35504 transitions. [2019-12-27 08:46:34,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 08:46:34,227 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:46:34,227 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] [2019-12-27 08:46:34,227 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:46:34,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:46:34,228 INFO L82 PathProgramCache]: Analyzing trace with hash -208548189, now seen corresponding path program 1 times [2019-12-27 08:46:34,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:46:34,228 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94342961] [2019-12-27 08:46:34,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:46:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:46:34,431 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 08:46:34,432 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94342961] [2019-12-27 08:46:34,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:46:34,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 08:46:34,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227426587] [2019-12-27 08:46:34,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 08:46:34,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:46:34,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 08:46:34,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 08:46:34,434 INFO L87 Difference]: Start difference. First operand 9461 states and 35504 transitions. Second operand 6 states. [2019-12-27 08:46:34,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:46:34,625 INFO L93 Difference]: Finished difference Result 11992 states and 44898 transitions. [2019-12-27 08:46:34,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 08:46:34,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-12-27 08:46:34,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:46:34,681 INFO L225 Difference]: With dead ends: 11992 [2019-12-27 08:46:34,682 INFO L226 Difference]: Without dead ends: 11992 [2019-12-27 08:46:34,682 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 08:46:34,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11992 states. [2019-12-27 08:46:35,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11992 to 10169. [2019-12-27 08:46:35,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10169 states. [2019-12-27 08:46:35,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10169 states to 10169 states and 38101 transitions. [2019-12-27 08:46:35,256 INFO L78 Accepts]: Start accepts. Automaton has 10169 states and 38101 transitions. Word has length 22 [2019-12-27 08:46:35,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:46:35,257 INFO L462 AbstractCegarLoop]: Abstraction has 10169 states and 38101 transitions. [2019-12-27 08:46:35,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 08:46:35,257 INFO L276 IsEmpty]: Start isEmpty. Operand 10169 states and 38101 transitions. [2019-12-27 08:46:35,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-27 08:46:35,259 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:46:35,259 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:46:35,259 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:46:35,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:46:35,260 INFO L82 PathProgramCache]: Analyzing trace with hash -233105706, now seen corresponding path program 1 times [2019-12-27 08:46:35,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:46:35,260 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740475336] [2019-12-27 08:46:35,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:46:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:46:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:46:35,302 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:46:35,303 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:46:35,303 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 08:46:35,303 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-27 08:46:35,311 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,311 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,311 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,311 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,311 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,312 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,312 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,312 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,312 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,312 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,313 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,313 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,313 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,313 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,313 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,314 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,314 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,314 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,314 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,314 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,315 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,315 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,315 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,315 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,315 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,316 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,316 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,316 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,316 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,316 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,316 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,317 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,317 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,317 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,317 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,318 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,318 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,318 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,318 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,318 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,318 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,319 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,319 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,319 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,320 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,320 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,320 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,320 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,320 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,322 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,322 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,323 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,323 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,323 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,325 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,325 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,325 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,325 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,325 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,327 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,328 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,328 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,328 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,328 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:35,330 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 08:46:35,330 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:46:35,330 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:46:35,330 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:46:35,330 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:46:35,331 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:46:35,331 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:46:35,331 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:46:35,331 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:46:35,333 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 70 places, 70 transitions [2019-12-27 08:48:10,231 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 159593 states. [2019-12-27 08:48:10,231 INFO L276 IsEmpty]: Start isEmpty. Operand 159593 states. [2019-12-27 08:48:10,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 08:48:10,232 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:48:10,232 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:48:10,232 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:48:10,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:48:10,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1710447995, now seen corresponding path program 1 times [2019-12-27 08:48:10,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:48:10,233 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354965582] [2019-12-27 08:48:10,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:48:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:48:10,428 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 08:48:10,428 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354965582] [2019-12-27 08:48:10,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:48:10,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 08:48:10,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554730791] [2019-12-27 08:48:10,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 08:48:10,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:48:10,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 08:48:10,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 08:48:10,430 INFO L87 Difference]: Start difference. First operand 159593 states. Second operand 6 states. [2019-12-27 08:48:11,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:48:11,345 INFO L93 Difference]: Finished difference Result 110341 states and 521891 transitions. [2019-12-27 08:48:11,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 08:48:11,345 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2019-12-27 08:48:11,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:48:12,001 INFO L225 Difference]: With dead ends: 110341 [2019-12-27 08:48:12,001 INFO L226 Difference]: Without dead ends: 110341 [2019-12-27 08:48:12,004 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 08:48:17,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110341 states. [2019-12-27 08:48:20,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110341 to 86970. [2019-12-27 08:48:20,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86970 states. [2019-12-27 08:48:20,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86970 states to 86970 states and 412050 transitions. [2019-12-27 08:48:20,790 INFO L78 Accepts]: Start accepts. Automaton has 86970 states and 412050 transitions. Word has length 18 [2019-12-27 08:48:20,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:48:20,790 INFO L462 AbstractCegarLoop]: Abstraction has 86970 states and 412050 transitions. [2019-12-27 08:48:20,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 08:48:20,791 INFO L276 IsEmpty]: Start isEmpty. Operand 86970 states and 412050 transitions. [2019-12-27 08:48:20,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-27 08:48:20,791 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:48:20,791 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:48:20,792 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:48:20,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:48:20,792 INFO L82 PathProgramCache]: Analyzing trace with hash 465243175, now seen corresponding path program 1 times [2019-12-27 08:48:20,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:48:20,792 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16456754] [2019-12-27 08:48:20,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:48:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:48:20,882 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 08:48:20,883 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16456754] [2019-12-27 08:48:20,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:48:20,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 08:48:20,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025076565] [2019-12-27 08:48:20,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 08:48:20,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:48:20,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 08:48:20,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 08:48:20,885 INFO L87 Difference]: Start difference. First operand 86970 states and 412050 transitions. Second operand 4 states. [2019-12-27 08:48:21,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:48:21,789 INFO L93 Difference]: Finished difference Result 126011 states and 591695 transitions. [2019-12-27 08:48:21,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 08:48:21,789 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2019-12-27 08:48:21,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:48:28,740 INFO L225 Difference]: With dead ends: 126011 [2019-12-27 08:48:28,740 INFO L226 Difference]: Without dead ends: 126011 [2019-12-27 08:48:28,741 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 08:48:30,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126011 states. [2019-12-27 08:48:32,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126011 to 107801. [2019-12-27 08:48:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107801 states. [2019-12-27 08:48:33,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107801 states to 107801 states and 511551 transitions. [2019-12-27 08:48:33,303 INFO L78 Accepts]: Start accepts. Automaton has 107801 states and 511551 transitions. Word has length 21 [2019-12-27 08:48:33,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:48:33,303 INFO L462 AbstractCegarLoop]: Abstraction has 107801 states and 511551 transitions. [2019-12-27 08:48:33,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 08:48:33,304 INFO L276 IsEmpty]: Start isEmpty. Operand 107801 states and 511551 transitions. [2019-12-27 08:48:33,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 08:48:33,305 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:48:33,305 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] [2019-12-27 08:48:33,305 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:48:33,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:48:33,306 INFO L82 PathProgramCache]: Analyzing trace with hash 372270423, now seen corresponding path program 1 times [2019-12-27 08:48:33,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:48:33,306 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121083468] [2019-12-27 08:48:33,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:48:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:48:33,465 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 08:48:33,465 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121083468] [2019-12-27 08:48:33,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:48:33,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 08:48:33,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776407834] [2019-12-27 08:48:33,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 08:48:33,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:48:33,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 08:48:33,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 08:48:33,469 INFO L87 Difference]: Start difference. First operand 107801 states and 511551 transitions. Second operand 6 states. [2019-12-27 08:48:35,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:48:35,337 INFO L93 Difference]: Finished difference Result 132756 states and 628737 transitions. [2019-12-27 08:48:35,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 08:48:35,337 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-12-27 08:48:35,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:48:35,777 INFO L225 Difference]: With dead ends: 132756 [2019-12-27 08:48:35,778 INFO L226 Difference]: Without dead ends: 132756 [2019-12-27 08:48:35,778 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 08:48:43,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132756 states. [2019-12-27 08:48:45,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132756 to 113131. [2019-12-27 08:48:45,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113131 states. [2019-12-27 08:48:46,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113131 states to 113131 states and 536326 transitions. [2019-12-27 08:48:46,716 INFO L78 Accepts]: Start accepts. Automaton has 113131 states and 536326 transitions. Word has length 22 [2019-12-27 08:48:46,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:48:46,717 INFO L462 AbstractCegarLoop]: Abstraction has 113131 states and 536326 transitions. [2019-12-27 08:48:46,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 08:48:46,717 INFO L276 IsEmpty]: Start isEmpty. Operand 113131 states and 536326 transitions. [2019-12-27 08:48:46,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-27 08:48:46,720 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:48:46,720 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:48:46,721 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:48:46,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:48:46,721 INFO L82 PathProgramCache]: Analyzing trace with hash 703649111, now seen corresponding path program 1 times [2019-12-27 08:48:46,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:48:46,722 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465648015] [2019-12-27 08:48:46,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:48:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:48:46,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-27 08:48:46,819 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465648015] [2019-12-27 08:48:46,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:48:46,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 08:48:46,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822555851] [2019-12-27 08:48:46,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 08:48:46,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:48:46,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 08:48:46,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 08:48:46,822 INFO L87 Difference]: Start difference. First operand 113131 states and 536326 transitions. Second operand 4 states. [2019-12-27 08:48:49,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:48:49,234 INFO L93 Difference]: Finished difference Result 163605 states and 768476 transitions. [2019-12-27 08:48:49,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 08:48:49,234 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-12-27 08:48:49,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:48:49,818 INFO L225 Difference]: With dead ends: 163605 [2019-12-27 08:48:49,818 INFO L226 Difference]: Without dead ends: 163605 [2019-12-27 08:48:49,819 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 08:48:53,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163605 states. [2019-12-27 08:49:04,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163605 to 140529. [2019-12-27 08:49:04,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140529 states. [2019-12-27 08:49:04,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140529 states to 140529 states and 666939 transitions. [2019-12-27 08:49:04,632 INFO L78 Accepts]: Start accepts. Automaton has 140529 states and 666939 transitions. Word has length 25 [2019-12-27 08:49:04,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:49:04,632 INFO L462 AbstractCegarLoop]: Abstraction has 140529 states and 666939 transitions. [2019-12-27 08:49:04,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 08:49:04,633 INFO L276 IsEmpty]: Start isEmpty. Operand 140529 states and 666939 transitions. [2019-12-27 08:49:04,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-27 08:49:04,635 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:49:04,635 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] [2019-12-27 08:49:04,636 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:49:04,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:49:04,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1835087500, now seen corresponding path program 1 times [2019-12-27 08:49:04,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:49:04,636 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588095951] [2019-12-27 08:49:04,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:49:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:49:04,716 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 08:49:04,716 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588095951] [2019-12-27 08:49:04,716 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509353742] [2019-12-27 08:49:04,717 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 08:49:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:49:05,645 INFO L264 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2019-12-27 08:49:05,649 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 08:49:05,765 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 08:49:05,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 08:49:05,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8] total 10 [2019-12-27 08:49:05,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874621922] [2019-12-27 08:49:05,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-27 08:49:05,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:49:05,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-27 08:49:05,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-12-27 08:49:05,767 INFO L87 Difference]: Start difference. First operand 140529 states and 666939 transitions. Second operand 10 states. [2019-12-27 08:49:06,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:49:06,194 INFO L93 Difference]: Finished difference Result 34985 states and 146951 transitions. [2019-12-27 08:49:06,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-27 08:49:06,195 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2019-12-27 08:49:06,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:49:06,411 INFO L225 Difference]: With dead ends: 34985 [2019-12-27 08:49:06,411 INFO L226 Difference]: Without dead ends: 34985 [2019-12-27 08:49:06,412 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-12-27 08:49:06,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34985 states. [2019-12-27 08:49:07,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34985 to 25859. [2019-12-27 08:49:07,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25859 states. [2019-12-27 08:49:07,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25859 states to 25859 states and 107971 transitions. [2019-12-27 08:49:07,672 INFO L78 Accepts]: Start accepts. Automaton has 25859 states and 107971 transitions. Word has length 26 [2019-12-27 08:49:07,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:49:07,672 INFO L462 AbstractCegarLoop]: Abstraction has 25859 states and 107971 transitions. [2019-12-27 08:49:07,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-27 08:49:07,672 INFO L276 IsEmpty]: Start isEmpty. Operand 25859 states and 107971 transitions. [2019-12-27 08:49:07,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-27 08:49:07,675 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:49:07,676 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:49:07,878 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 08:49:07,879 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:49:07,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:49:07,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1227275294, now seen corresponding path program 1 times [2019-12-27 08:49:07,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:49:07,881 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200734156] [2019-12-27 08:49:07,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:49:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:49:08,039 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-27 08:49:08,040 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200734156] [2019-12-27 08:49:08,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:49:08,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 08:49:08,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223177967] [2019-12-27 08:49:08,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 08:49:08,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:49:08,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 08:49:08,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 08:49:08,041 INFO L87 Difference]: Start difference. First operand 25859 states and 107971 transitions. Second operand 6 states. [2019-12-27 08:49:09,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:49:09,160 INFO L93 Difference]: Finished difference Result 42831 states and 179251 transitions. [2019-12-27 08:49:09,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 08:49:09,161 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-12-27 08:49:09,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:49:09,285 INFO L225 Difference]: With dead ends: 42831 [2019-12-27 08:49:09,285 INFO L226 Difference]: Without dead ends: 42831 [2019-12-27 08:49:09,286 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 08:49:09,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42831 states. [2019-12-27 08:49:10,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42831 to 29531. [2019-12-27 08:49:10,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29531 states. [2019-12-27 08:49:10,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29531 states to 29531 states and 123487 transitions. [2019-12-27 08:49:10,377 INFO L78 Accepts]: Start accepts. Automaton has 29531 states and 123487 transitions. Word has length 26 [2019-12-27 08:49:10,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:49:10,378 INFO L462 AbstractCegarLoop]: Abstraction has 29531 states and 123487 transitions. [2019-12-27 08:49:10,378 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 08:49:10,378 INFO L276 IsEmpty]: Start isEmpty. Operand 29531 states and 123487 transitions. [2019-12-27 08:49:10,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-27 08:49:10,381 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:49:10,382 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:49:10,382 INFO L410 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:49:10,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:49:10,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1971128126, now seen corresponding path program 1 times [2019-12-27 08:49:10,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:49:10,383 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917680461] [2019-12-27 08:49:10,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:49:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:49:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:49:10,405 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:49:10,405 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:49:10,406 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 08:49:10,406 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-27 08:49:10,415 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,415 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,415 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,416 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,416 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,416 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,416 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,417 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,417 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,417 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,417 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,417 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,417 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,418 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,418 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,418 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,419 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,420 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,420 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,420 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,424 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,424 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,425 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,425 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,425 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,425 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,425 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,425 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,426 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,427 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,427 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,427 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,428 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,428 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,428 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,428 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,429 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,429 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,429 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,429 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,430 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,430 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,430 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,430 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,430 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,431 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,431 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,431 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,431 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,431 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,431 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,432 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,432 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,432 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,432 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,432 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,433 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,433 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,433 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,433 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,441 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,441 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,441 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,442 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,442 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,443 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,444 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,444 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,444 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,444 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,446 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,446 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,446 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,446 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,446 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,448 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,448 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,448 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,448 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,449 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:10,450 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 08:49:10,451 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:49:10,451 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:49:10,451 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:49:10,451 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:49:10,451 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:49:10,451 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:49:10,451 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:49:10,451 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:49:10,454 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 83 places, 83 transitions Received shutdown request... [2019-12-27 08:50:26,264 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 08:50:26,268 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 08:50:26,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 08:50:26 BasicIcfg [2019-12-27 08:50:26,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 08:50:26,271 INFO L168 Benchmark]: Toolchain (without parser) took 238717.67 ms. Allocated memory was 145.8 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 102.1 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 3.7 GB. Max. memory is 7.1 GB. [2019-12-27 08:50:26,271 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 08:50:26,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.87 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.7 MB in the beginning and 163.1 MB in the end (delta: -61.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-12-27 08:50:26,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.90 ms. Allocated memory is still 203.4 MB. Free memory was 163.1 MB in the beginning and 161.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-27 08:50:26,274 INFO L168 Benchmark]: Boogie Preprocessor took 25.94 ms. Allocated memory is still 203.4 MB. Free memory was 161.2 MB in the beginning and 159.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 08:50:26,274 INFO L168 Benchmark]: RCFGBuilder took 364.12 ms. Allocated memory is still 203.4 MB. Free memory was 159.9 MB in the beginning and 143.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-12-27 08:50:26,275 INFO L168 Benchmark]: TraceAbstraction took 237587.75 ms. Allocated memory was 203.4 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 143.8 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 3.7 GB. Max. memory is 7.1 GB. [2019-12-27 08:50:26,280 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.87 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.7 MB in the beginning and 163.1 MB in the end (delta: -61.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.90 ms. Allocated memory is still 203.4 MB. Free memory was 163.1 MB in the beginning and 161.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.94 ms. Allocated memory is still 203.4 MB. Free memory was 161.2 MB in the beginning and 159.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 364.12 ms. Allocated memory is still 203.4 MB. Free memory was 159.9 MB in the beginning and 143.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 237587.75 ms. Allocated memory was 203.4 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 143.8 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 3.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 687]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 687). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 83 places, 83 transitions. Already constructed 185801 states. Currently 47901 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 28 locations, 1 error locations. Result: TIMEOUT, OverallTime: 75.8s, 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