/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 12:48:11,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 12:48:11,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 12:48:11,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 12:48:11,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 12:48:11,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 12:48:11,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 12:48:11,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 12:48:11,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 12:48:11,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 12:48:11,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 12:48:11,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 12:48:11,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 12:48:11,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 12:48:11,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 12:48:11,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 12:48:11,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 12:48:11,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 12:48:11,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 12:48:11,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 12:48:11,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 12:48:11,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 12:48:11,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 12:48:11,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 12:48:11,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-09 12:48:11,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-09 12:48:11,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-09 12:48:11,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-09 12:48:11,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-09 12:48:11,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-09 12:48:11,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 12:48:11,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 12:48:11,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 12:48:11,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 12:48:11,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 12:48:11,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 12:48:11,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 12:48:11,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 12:48:11,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 12:48:11,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 12:48:11,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 12:48:11,371 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-09 12:48:11,398 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 12:48:11,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 12:48:11,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 12:48:11,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 12:48:11,401 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 12:48:11,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 12:48:11,401 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 12:48:11,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 12:48:11,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 12:48:11,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 12:48:11,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 12:48:11,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 12:48:11,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 12:48:11,403 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 12:48:11,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 12:48:11,404 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 12:48:11,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 12:48:11,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 12:48:11,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 12:48:11,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 12:48:11,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 12:48:11,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 12:48:11,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 12:48:11,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-09 12:48:11,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 12:48:11,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 12:48:11,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 12:48:11,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 12:48:11,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-09 12:48:11,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 12:48:11,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 12:48:11,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 12:48:11,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 12:48:11,806 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 12:48:11,807 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 12:48:11,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i [2020-11-09 12:48:11,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e728d16b6/fe0e5cf662e340669cf67ac846b4fe2f/FLAG3e425cd7c [2020-11-09 12:48:12,543 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 12:48:12,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i [2020-11-09 12:48:12,563 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e728d16b6/fe0e5cf662e340669cf67ac846b4fe2f/FLAG3e425cd7c [2020-11-09 12:48:12,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e728d16b6/fe0e5cf662e340669cf67ac846b4fe2f [2020-11-09 12:48:12,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 12:48:12,863 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 12:48:12,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 12:48:12,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 12:48:12,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 12:48:12,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:48:12" (1/1) ... [2020-11-09 12:48:12,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11fb3bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:12, skipping insertion in model container [2020-11-09 12:48:12,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:48:12" (1/1) ... [2020-11-09 12:48:12,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 12:48:12,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 12:48:13,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 12:48:13,449 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 12:48:13,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 12:48:13,680 INFO L208 MainTranslator]: Completed translation [2020-11-09 12:48:13,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:13 WrapperNode [2020-11-09 12:48:13,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 12:48:13,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 12:48:13,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 12:48:13,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 12:48:13,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:13" (1/1) ... [2020-11-09 12:48:13,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:13" (1/1) ... [2020-11-09 12:48:13,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 12:48:13,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 12:48:13,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 12:48:13,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 12:48:13,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:13" (1/1) ... [2020-11-09 12:48:13,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:13" (1/1) ... [2020-11-09 12:48:13,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:13" (1/1) ... [2020-11-09 12:48:13,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:13" (1/1) ... [2020-11-09 12:48:13,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:13" (1/1) ... [2020-11-09 12:48:13,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:13" (1/1) ... [2020-11-09 12:48:13,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:13" (1/1) ... [2020-11-09 12:48:13,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 12:48:13,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 12:48:13,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 12:48:13,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 12:48:13,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 12:48:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 12:48:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 12:48:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 12:48:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 12:48:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-09 12:48:13,956 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-09 12:48:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-09 12:48:13,957 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-09 12:48:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-09 12:48:13,958 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-09 12:48:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-09 12:48:13,959 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-09 12:48:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 12:48:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 12:48:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 12:48:13,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 12:48:13,961 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 12:48:14,517 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 12:48:14,517 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-09 12:48:14,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:48:14 BoogieIcfgContainer [2020-11-09 12:48:14,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 12:48:14,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 12:48:14,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 12:48:14,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 12:48:14,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:48:12" (1/3) ... [2020-11-09 12:48:14,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c24d9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:48:14, skipping insertion in model container [2020-11-09 12:48:14,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:13" (2/3) ... [2020-11-09 12:48:14,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c24d9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:48:14, skipping insertion in model container [2020-11-09 12:48:14,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:48:14" (3/3) ... [2020-11-09 12:48:14,528 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc.i [2020-11-09 12:48:14,545 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 12:48:14,545 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-09 12:48:14,550 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 12:48:14,551 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 12:48:14,586 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,586 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,586 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,586 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,587 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,587 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,587 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,587 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,588 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,588 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,588 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,589 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,589 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,590 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,590 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,590 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,590 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,590 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,592 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,593 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,593 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,593 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,594 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,596 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,596 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,597 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,597 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,597 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,597 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,597 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,598 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,600 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,601 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,610 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,610 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,611 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,611 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,613 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,614 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,614 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,614 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,617 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,617 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,617 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,618 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:14,620 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 12:48:14,633 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 12:48:14,658 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 12:48:14,658 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 12:48:14,658 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 12:48:14,658 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 12:48:14,658 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 12:48:14,658 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 12:48:14,659 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 12:48:14,659 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 12:48:14,672 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 12:48:14,675 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 90 transitions, 200 flow [2020-11-09 12:48:14,678 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 90 transitions, 200 flow [2020-11-09 12:48:14,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 90 transitions, 200 flow [2020-11-09 12:48:14,744 INFO L129 PetriNetUnfolder]: 3/86 cut-off events. [2020-11-09 12:48:14,745 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 12:48:14,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 86 events. 3/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 70 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2020-11-09 12:48:14,755 INFO L116 LiptonReduction]: Number of co-enabled transitions 2042 [2020-11-09 12:48:15,547 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-09 12:48:18,073 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-11-09 12:48:18,259 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-11-09 12:48:18,762 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-11-09 12:48:19,197 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-11-09 12:48:19,486 WARN L194 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-11-09 12:48:19,600 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-11-09 12:48:19,864 WARN L194 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-11-09 12:48:19,982 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-11-09 12:48:20,258 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-11-09 12:48:20,416 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-11-09 12:48:20,553 INFO L131 LiptonReduction]: Checked pairs total: 4371 [2020-11-09 12:48:20,553 INFO L133 LiptonReduction]: Total number of compositions: 85 [2020-11-09 12:48:20,560 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 26 transitions, 72 flow [2020-11-09 12:48:20,611 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-11-09 12:48:20,613 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-11-09 12:48:20,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 12:48:20,622 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:20,623 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:20,624 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:20,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:20,629 INFO L82 PathProgramCache]: Analyzing trace with hash -849468874, now seen corresponding path program 1 times [2020-11-09 12:48:20,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:20,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349236990] [2020-11-09 12:48:20,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:20,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349236990] [2020-11-09 12:48:20,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:20,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 12:48:20,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585922382] [2020-11-09 12:48:20,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 12:48:20,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:20,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 12:48:20,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:48:20,944 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-11-09 12:48:21,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:21,044 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-11-09 12:48:21,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 12:48:21,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-09 12:48:21,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:21,087 INFO L225 Difference]: With dead ends: 670 [2020-11-09 12:48:21,087 INFO L226 Difference]: Without dead ends: 526 [2020-11-09 12:48:21,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:48:21,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-11-09 12:48:21,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-11-09 12:48:21,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-11-09 12:48:21,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-11-09 12:48:21,203 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-11-09 12:48:21,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:21,204 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-11-09 12:48:21,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 12:48:21,205 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-11-09 12:48:21,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 12:48:21,207 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:21,207 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:21,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 12:48:21,208 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:21,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:21,209 INFO L82 PathProgramCache]: Analyzing trace with hash -579920157, now seen corresponding path program 1 times [2020-11-09 12:48:21,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:21,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76052792] [2020-11-09 12:48:21,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:21,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:21,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76052792] [2020-11-09 12:48:21,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:21,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:48:21,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101092853] [2020-11-09 12:48:21,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:48:21,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:21,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:48:21,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:48:21,319 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-11-09 12:48:21,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:21,416 INFO L93 Difference]: Finished difference Result 682 states and 2180 transitions. [2020-11-09 12:48:21,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 12:48:21,416 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-09 12:48:21,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:21,427 INFO L225 Difference]: With dead ends: 682 [2020-11-09 12:48:21,427 INFO L226 Difference]: Without dead ends: 394 [2020-11-09 12:48:21,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:48:21,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-11-09 12:48:21,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-11-09 12:48:21,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-11-09 12:48:21,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1224 transitions. [2020-11-09 12:48:21,472 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1224 transitions. Word has length 11 [2020-11-09 12:48:21,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:21,473 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 1224 transitions. [2020-11-09 12:48:21,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:48:21,473 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1224 transitions. [2020-11-09 12:48:21,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 12:48:21,479 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:21,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:21,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 12:48:21,482 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:21,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:21,483 INFO L82 PathProgramCache]: Analyzing trace with hash -536731131, now seen corresponding path program 1 times [2020-11-09 12:48:21,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:21,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800155632] [2020-11-09 12:48:21,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:21,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:21,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800155632] [2020-11-09 12:48:21,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:21,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 12:48:21,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644869061] [2020-11-09 12:48:21,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 12:48:21,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:21,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 12:48:21,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:48:21,588 INFO L87 Difference]: Start difference. First operand 394 states and 1224 transitions. Second operand 3 states. [2020-11-09 12:48:21,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:21,599 INFO L93 Difference]: Finished difference Result 376 states and 1155 transitions. [2020-11-09 12:48:21,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 12:48:21,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-11-09 12:48:21,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:21,603 INFO L225 Difference]: With dead ends: 376 [2020-11-09 12:48:21,603 INFO L226 Difference]: Without dead ends: 376 [2020-11-09 12:48:21,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:48:21,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-11-09 12:48:21,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2020-11-09 12:48:21,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-11-09 12:48:21,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 1155 transitions. [2020-11-09 12:48:21,618 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 1155 transitions. Word has length 12 [2020-11-09 12:48:21,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:21,619 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 1155 transitions. [2020-11-09 12:48:21,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 12:48:21,619 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1155 transitions. [2020-11-09 12:48:21,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 12:48:21,620 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:21,621 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:21,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 12:48:21,621 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:21,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:21,624 INFO L82 PathProgramCache]: Analyzing trace with hash 553894509, now seen corresponding path program 1 times [2020-11-09 12:48:21,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:21,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512000890] [2020-11-09 12:48:21,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:21,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:21,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512000890] [2020-11-09 12:48:21,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:21,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:48:21,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134555019] [2020-11-09 12:48:21,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:48:21,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:21,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:48:21,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:48:21,768 INFO L87 Difference]: Start difference. First operand 376 states and 1155 transitions. Second operand 4 states. [2020-11-09 12:48:21,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:21,804 INFO L93 Difference]: Finished difference Result 526 states and 1582 transitions. [2020-11-09 12:48:21,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 12:48:21,804 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-09 12:48:21,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:21,807 INFO L225 Difference]: With dead ends: 526 [2020-11-09 12:48:21,807 INFO L226 Difference]: Without dead ends: 286 [2020-11-09 12:48:21,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:48:21,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-11-09 12:48:21,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2020-11-09 12:48:21,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-11-09 12:48:21,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 851 transitions. [2020-11-09 12:48:21,820 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 851 transitions. Word has length 13 [2020-11-09 12:48:21,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:21,820 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 851 transitions. [2020-11-09 12:48:21,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:48:21,820 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 851 transitions. [2020-11-09 12:48:21,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 12:48:21,821 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:21,821 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:21,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 12:48:21,821 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:21,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:21,822 INFO L82 PathProgramCache]: Analyzing trace with hash -402598089, now seen corresponding path program 1 times [2020-11-09 12:48:21,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:21,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329035711] [2020-11-09 12:48:21,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:21,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:21,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329035711] [2020-11-09 12:48:21,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:21,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:48:21,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394665432] [2020-11-09 12:48:21,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:48:21,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:21,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:48:21,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:48:21,979 INFO L87 Difference]: Start difference. First operand 286 states and 851 transitions. Second operand 4 states. [2020-11-09 12:48:22,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:22,044 INFO L93 Difference]: Finished difference Result 355 states and 990 transitions. [2020-11-09 12:48:22,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 12:48:22,045 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-11-09 12:48:22,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:22,048 INFO L225 Difference]: With dead ends: 355 [2020-11-09 12:48:22,048 INFO L226 Difference]: Without dead ends: 262 [2020-11-09 12:48:22,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:48:22,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-11-09 12:48:22,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2020-11-09 12:48:22,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-11-09 12:48:22,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 738 transitions. [2020-11-09 12:48:22,059 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 738 transitions. Word has length 14 [2020-11-09 12:48:22,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:22,059 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 738 transitions. [2020-11-09 12:48:22,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:48:22,060 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 738 transitions. [2020-11-09 12:48:22,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 12:48:22,061 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:22,061 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:22,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 12:48:22,061 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:22,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:22,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1456913458, now seen corresponding path program 1 times [2020-11-09 12:48:22,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:22,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104573249] [2020-11-09 12:48:22,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:22,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:22,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104573249] [2020-11-09 12:48:22,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:22,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:48:22,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220459375] [2020-11-09 12:48:22,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:48:22,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:22,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:48:22,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:48:22,184 INFO L87 Difference]: Start difference. First operand 262 states and 738 transitions. Second operand 5 states. [2020-11-09 12:48:22,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:22,246 INFO L93 Difference]: Finished difference Result 283 states and 734 transitions. [2020-11-09 12:48:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:48:22,247 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-09 12:48:22,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:22,248 INFO L225 Difference]: With dead ends: 283 [2020-11-09 12:48:22,249 INFO L226 Difference]: Without dead ends: 208 [2020-11-09 12:48:22,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-09 12:48:22,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-11-09 12:48:22,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2020-11-09 12:48:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-11-09 12:48:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 528 transitions. [2020-11-09 12:48:22,256 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 528 transitions. Word has length 15 [2020-11-09 12:48:22,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:22,257 INFO L481 AbstractCegarLoop]: Abstraction has 208 states and 528 transitions. [2020-11-09 12:48:22,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:48:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 528 transitions. [2020-11-09 12:48:22,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 12:48:22,258 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:22,258 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:22,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 12:48:22,258 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:22,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:22,259 INFO L82 PathProgramCache]: Analyzing trace with hash -2108608562, now seen corresponding path program 1 times [2020-11-09 12:48:22,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:22,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920055413] [2020-11-09 12:48:22,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:22,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:22,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920055413] [2020-11-09 12:48:22,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:22,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 12:48:22,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476931762] [2020-11-09 12:48:22,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 12:48:22,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:22,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 12:48:22,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-09 12:48:22,319 INFO L87 Difference]: Start difference. First operand 208 states and 528 transitions. Second operand 6 states. [2020-11-09 12:48:22,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:22,406 INFO L93 Difference]: Finished difference Result 201 states and 486 transitions. [2020-11-09 12:48:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 12:48:22,407 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-11-09 12:48:22,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:22,408 INFO L225 Difference]: With dead ends: 201 [2020-11-09 12:48:22,408 INFO L226 Difference]: Without dead ends: 163 [2020-11-09 12:48:22,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:48:22,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-11-09 12:48:22,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-11-09 12:48:22,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-11-09 12:48:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 394 transitions. [2020-11-09 12:48:22,415 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 394 transitions. Word has length 16 [2020-11-09 12:48:22,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:22,415 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 394 transitions. [2020-11-09 12:48:22,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 12:48:22,416 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 394 transitions. [2020-11-09 12:48:22,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 12:48:22,416 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:22,417 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:22,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 12:48:22,417 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:22,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:22,417 INFO L82 PathProgramCache]: Analyzing trace with hash -999056211, now seen corresponding path program 1 times [2020-11-09 12:48:22,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:22,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154351667] [2020-11-09 12:48:22,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:22,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154351667] [2020-11-09 12:48:22,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:22,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:48:22,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389219666] [2020-11-09 12:48:22,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:48:22,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:22,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:48:22,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:48:22,455 INFO L87 Difference]: Start difference. First operand 163 states and 394 transitions. Second operand 4 states. [2020-11-09 12:48:22,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:22,478 INFO L93 Difference]: Finished difference Result 263 states and 604 transitions. [2020-11-09 12:48:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 12:48:22,479 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-11-09 12:48:22,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:22,480 INFO L225 Difference]: With dead ends: 263 [2020-11-09 12:48:22,480 INFO L226 Difference]: Without dead ends: 127 [2020-11-09 12:48:22,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:48:22,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-11-09 12:48:22,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 125. [2020-11-09 12:48:22,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-11-09 12:48:22,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 265 transitions. [2020-11-09 12:48:22,485 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 265 transitions. Word has length 18 [2020-11-09 12:48:22,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:22,485 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 265 transitions. [2020-11-09 12:48:22,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:48:22,485 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 265 transitions. [2020-11-09 12:48:22,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 12:48:22,486 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:22,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:22,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-09 12:48:22,486 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:22,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:22,487 INFO L82 PathProgramCache]: Analyzing trace with hash 833653032, now seen corresponding path program 1 times [2020-11-09 12:48:22,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:22,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85359642] [2020-11-09 12:48:22,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:22,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:22,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85359642] [2020-11-09 12:48:22,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:22,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:48:22,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596179715] [2020-11-09 12:48:22,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:48:22,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:22,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:48:22,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:48:22,523 INFO L87 Difference]: Start difference. First operand 125 states and 265 transitions. Second operand 4 states. [2020-11-09 12:48:22,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:22,552 INFO L93 Difference]: Finished difference Result 142 states and 293 transitions. [2020-11-09 12:48:22,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 12:48:22,552 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-11-09 12:48:22,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:22,553 INFO L225 Difference]: With dead ends: 142 [2020-11-09 12:48:22,553 INFO L226 Difference]: Without dead ends: 87 [2020-11-09 12:48:22,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:48:22,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-09 12:48:22,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 86. [2020-11-09 12:48:22,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-11-09 12:48:22,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 160 transitions. [2020-11-09 12:48:22,557 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 160 transitions. Word has length 18 [2020-11-09 12:48:22,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:22,557 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 160 transitions. [2020-11-09 12:48:22,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:48:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 160 transitions. [2020-11-09 12:48:22,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 12:48:22,558 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:22,558 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:22,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-09 12:48:22,558 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:22,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:22,559 INFO L82 PathProgramCache]: Analyzing trace with hash 721666079, now seen corresponding path program 2 times [2020-11-09 12:48:22,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:22,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492679878] [2020-11-09 12:48:22,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:22,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:22,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492679878] [2020-11-09 12:48:22,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:22,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 12:48:22,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709587230] [2020-11-09 12:48:22,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 12:48:22,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:22,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 12:48:22,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:48:22,681 INFO L87 Difference]: Start difference. First operand 86 states and 160 transitions. Second operand 7 states. [2020-11-09 12:48:22,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:22,757 INFO L93 Difference]: Finished difference Result 81 states and 154 transitions. [2020-11-09 12:48:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 12:48:22,757 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-11-09 12:48:22,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:22,757 INFO L225 Difference]: With dead ends: 81 [2020-11-09 12:48:22,757 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 12:48:22,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-11-09 12:48:22,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 12:48:22,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 12:48:22,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 12:48:22,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 12:48:22,759 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-09 12:48:22,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:22,759 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 12:48:22,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 12:48:22,759 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 12:48:22,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 12:48:22,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-09 12:48:22,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:48:22 BasicIcfg [2020-11-09 12:48:22,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 12:48:22,766 INFO L168 Benchmark]: Toolchain (without parser) took 9908.21 ms. Allocated memory was 152.0 MB in the beginning and 228.6 MB in the end (delta: 76.5 MB). Free memory was 125.3 MB in the beginning and 201.2 MB in the end (delta: -75.9 MB). Peak memory consumption was 1.8 MB. Max. memory is 8.0 GB. [2020-11-09 12:48:22,766 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 152.0 MB. Free memory is still 125.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 12:48:22,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.54 ms. Allocated memory is still 152.0 MB. Free memory was 124.7 MB in the beginning and 126.7 MB in the end (delta: -2.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 8.0 GB. [2020-11-09 12:48:22,768 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.86 ms. Allocated memory is still 152.0 MB. Free memory was 126.7 MB in the beginning and 124.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 12:48:22,769 INFO L168 Benchmark]: Boogie Preprocessor took 66.08 ms. Allocated memory is still 152.0 MB. Free memory was 124.6 MB in the beginning and 123.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 12:48:22,769 INFO L168 Benchmark]: RCFGBuilder took 661.27 ms. Allocated memory is still 152.0 MB. Free memory was 123.1 MB in the beginning and 99.5 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2020-11-09 12:48:22,770 INFO L168 Benchmark]: TraceAbstraction took 8242.85 ms. Allocated memory was 152.0 MB in the beginning and 228.6 MB in the end (delta: 76.5 MB). Free memory was 99.5 MB in the beginning and 201.2 MB in the end (delta: -101.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 12:48:22,773 INFO L339 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 152.0 MB. Free memory is still 125.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 815.54 ms. Allocated memory is still 152.0 MB. Free memory was 124.7 MB in the beginning and 126.7 MB in the end (delta: -2.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 103.86 ms. Allocated memory is still 152.0 MB. Free memory was 126.7 MB in the beginning and 124.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 66.08 ms. Allocated memory is still 152.0 MB. Free memory was 124.6 MB in the beginning and 123.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 661.27 ms. Allocated memory is still 152.0 MB. Free memory was 123.1 MB in the beginning and 99.5 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8242.85 ms. Allocated memory was 152.0 MB in the beginning and 228.6 MB in the end (delta: 76.5 MB). Free memory was 99.5 MB in the beginning and 201.2 MB in the end (delta: -101.7 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1452 VarBasedMoverChecksPositive, 69 VarBasedMoverChecksNegative, 16 SemBasedMoverChecksPositive, 53 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 96 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.8s, 100 PlacesBefore, 38 PlacesAfterwards, 90 TransitionsBefore, 26 TransitionsAfterwards, 2042 CoEnabledTransitionPairs, 7 FixpointIterations, 18 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 2 ChoiceCompositions, 85 TotalNumberOfCompositions, 4371 MoverChecksTotal - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.1s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.9s, HoareTripleCheckerStatistics: 218 SDtfs, 241 SDslu, 328 SDs, 0 SdLazy, 161 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 5745 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...