/usr/bin/java -Xmx16000000000 -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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-11 18:10:56,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-11 18:10:56,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-11 18:10:57,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-11 18:10:57,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-11 18:10:57,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-11 18:10:57,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-11 18:10:57,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-11 18:10:57,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-11 18:10:57,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-11 18:10:57,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-11 18:10:57,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-11 18:10:57,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-11 18:10:57,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-11 18:10:57,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-11 18:10:57,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-11 18:10:57,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-11 18:10:57,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-11 18:10:57,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-11 18:10:57,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-11 18:10:57,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-11 18:10:57,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-11 18:10:57,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-11 18:10:57,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-11 18:10:57,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-11 18:10:57,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-11 18:10:57,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-11 18:10:57,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-11 18:10:57,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-11 18:10:57,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-11 18:10:57,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-11 18:10:57,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-11 18:10:57,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-11 18:10:57,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-11 18:10:57,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-11 18:10:57,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-11 18:10:57,093 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 [2020-11-11 18:10:57,122 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-11 18:10:57,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-11 18:10:57,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-11 18:10:57,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-11 18:10:57,124 INFO L138 SettingsManager]: * Use SBE=true [2020-11-11 18:10:57,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-11 18:10:57,125 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-11 18:10:57,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-11 18:10:57,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-11 18:10:57,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-11 18:10:57,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-11 18:10:57,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-11 18:10:57,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-11 18:10:57,126 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-11 18:10:57,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-11 18:10:57,126 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-11 18:10:57,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-11 18:10:57,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-11 18:10:57,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-11 18:10:57,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-11 18:10:57,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-11 18:10:57,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-11 18:10:57,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-11 18:10:57,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-11 18:10:57,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-11 18:10:57,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-11 18:10:57,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-11 18:10:57,129 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-11 18:10:57,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-11 18:10:57,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-11 18:10:57,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-11 18:10:57,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-11 18:10:57,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-11 18:10:57,706 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-11 18:10:57,707 INFO L275 PluginConnector]: CDTParser initialized [2020-11-11 18:10:57,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.opt.i [2020-11-11 18:10:57,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/295cc122f/197458269abd496ab840b0dad47ca52d/FLAG6da781984 [2020-11-11 18:10:58,572 INFO L306 CDTParser]: Found 1 translation units. [2020-11-11 18:10:58,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_tso.opt.i [2020-11-11 18:10:58,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/295cc122f/197458269abd496ab840b0dad47ca52d/FLAG6da781984 [2020-11-11 18:10:58,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/295cc122f/197458269abd496ab840b0dad47ca52d [2020-11-11 18:10:58,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-11 18:10:58,876 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-11 18:10:58,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-11 18:10:58,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-11 18:10:58,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-11 18:10:58,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:10:58" (1/1) ... [2020-11-11 18:10:58,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58bf8021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:10:58, skipping insertion in model container [2020-11-11 18:10:58,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:10:58" (1/1) ... [2020-11-11 18:10:58,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-11 18:10:58,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-11 18:10:59,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-11 18:10:59,316 INFO L203 MainTranslator]: Completed pre-run [2020-11-11 18:10:59,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-11 18:10:59,501 INFO L208 MainTranslator]: Completed translation [2020-11-11 18:10:59,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:10:59 WrapperNode [2020-11-11 18:10:59,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-11 18:10:59,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-11 18:10:59,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-11 18:10:59,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-11 18:10:59,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:10:59" (1/1) ... [2020-11-11 18:10:59,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:10:59" (1/1) ... [2020-11-11 18:10:59,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-11 18:10:59,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-11 18:10:59,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-11 18:10:59,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-11 18:10:59,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:10:59" (1/1) ... [2020-11-11 18:10:59,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:10:59" (1/1) ... [2020-11-11 18:10:59,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:10:59" (1/1) ... [2020-11-11 18:10:59,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:10:59" (1/1) ... [2020-11-11 18:10:59,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:10:59" (1/1) ... [2020-11-11 18:10:59,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:10:59" (1/1) ... [2020-11-11 18:10:59,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:10:59" (1/1) ... [2020-11-11 18:10:59,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-11 18:10:59,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-11 18:10:59,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-11 18:10:59,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-11 18:10:59,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:10:59" (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 [2020-11-11 18:10:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-11 18:10:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-11 18:10:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-11 18:10:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-11 18:10:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-11 18:10:59,679 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-11 18:10:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-11 18:10:59,679 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-11 18:10:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-11 18:10:59,680 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-11 18:10:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-11 18:10:59,680 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-11 18:10:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-11 18:10:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-11 18:10:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-11 18:10:59,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-11 18:10:59,682 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-11 18:11:00,272 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-11 18:11:00,272 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-11 18:11:00,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:11:00 BoogieIcfgContainer [2020-11-11 18:11:00,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-11 18:11:00,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-11 18:11:00,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-11 18:11:00,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-11 18:11:00,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 06:10:58" (1/3) ... [2020-11-11 18:11:00,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254e24e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:11:00, skipping insertion in model container [2020-11-11 18:11:00,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:10:59" (2/3) ... [2020-11-11 18:11:00,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254e24e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:11:00, skipping insertion in model container [2020-11-11 18:11:00,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:11:00" (3/3) ... [2020-11-11 18:11:00,285 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_tso.opt.i [2020-11-11 18:11:00,301 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-11 18:11:00,302 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-11 18:11:00,306 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-11 18:11:00,307 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-11 18:11:00,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,348 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,349 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,349 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,349 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,349 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,350 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,350 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,350 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,351 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,352 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,352 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,352 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,353 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,353 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,353 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,353 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,354 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,355 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,355 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,355 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,355 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,355 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,356 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,356 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,358 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,359 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,359 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,359 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,360 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,360 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,360 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,360 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,361 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,363 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,364 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,371 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,371 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,372 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,372 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,375 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,376 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,380 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,380 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:11:00,383 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-11 18:11:00,397 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-11 18:11:00,423 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-11 18:11:00,423 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-11 18:11:00,423 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-11 18:11:00,423 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-11 18:11:00,424 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-11 18:11:00,424 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-11 18:11:00,424 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-11 18:11:00,424 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-11 18:11:00,437 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 90 transitions, 200 flow [2020-11-11 18:11:10,178 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 54312 states, 54310 states have (on average 4.420254096851409) internal successors, (240064), 54311 states have internal predecessors, (240064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:10,285 INFO L276 IsEmpty]: Start isEmpty. Operand has 54312 states, 54310 states have (on average 4.420254096851409) internal successors, (240064), 54311 states have internal predecessors, (240064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:10,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-11 18:11:10,611 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:11:10,612 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:11:10,615 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:11:10,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:11:10,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1521340881, now seen corresponding path program 1 times [2020-11-11 18:11:10,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:11:10,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858714460] [2020-11-11 18:11:10,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:11:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:11:11,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:11:11,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858714460] [2020-11-11 18:11:11,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:11:11,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-11 18:11:11,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330304351] [2020-11-11 18:11:11,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-11 18:11:11,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:11:11,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-11 18:11:11,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-11 18:11:11,278 INFO L87 Difference]: Start difference. First operand has 54312 states, 54310 states have (on average 4.420254096851409) internal successors, (240064), 54311 states have internal predecessors, (240064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:12,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:11:12,966 INFO L93 Difference]: Finished difference Result 68928 states and 296104 transitions. [2020-11-11 18:11:12,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-11 18:11:12,969 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2020-11-11 18:11:12,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:11:13,459 INFO L225 Difference]: With dead ends: 68928 [2020-11-11 18:11:13,460 INFO L226 Difference]: Without dead ends: 23820 [2020-11-11 18:11:13,465 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-11 18:11:13,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23820 states. [2020-11-11 18:11:14,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23820 to 23820. [2020-11-11 18:11:14,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23820 states, 23819 states have (on average 4.2240228389101135) internal successors, (100612), 23819 states have internal predecessors, (100612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:15,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23820 states to 23820 states and 100612 transitions. [2020-11-11 18:11:15,345 INFO L78 Accepts]: Start accepts. Automaton has 23820 states and 100612 transitions. Word has length 46 [2020-11-11 18:11:15,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:11:15,347 INFO L481 AbstractCegarLoop]: Abstraction has 23820 states and 100612 transitions. [2020-11-11 18:11:15,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:15,351 INFO L276 IsEmpty]: Start isEmpty. Operand 23820 states and 100612 transitions. [2020-11-11 18:11:15,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-11 18:11:15,454 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:11:15,454 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:11:15,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-11 18:11:15,455 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:11:15,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:11:15,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1443855120, now seen corresponding path program 1 times [2020-11-11 18:11:15,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:11:15,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071069062] [2020-11-11 18:11:15,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:11:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:11:15,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:11:15,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071069062] [2020-11-11 18:11:15,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:11:15,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-11 18:11:15,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930220983] [2020-11-11 18:11:15,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-11 18:11:15,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:11:15,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-11 18:11:15,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-11 18:11:15,692 INFO L87 Difference]: Start difference. First operand 23820 states and 100612 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:16,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:11:16,195 INFO L93 Difference]: Finished difference Result 28188 states and 118076 transitions. [2020-11-11 18:11:16,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-11 18:11:16,196 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2020-11-11 18:11:16,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:11:16,328 INFO L225 Difference]: With dead ends: 28188 [2020-11-11 18:11:16,328 INFO L226 Difference]: Without dead ends: 23148 [2020-11-11 18:11:16,329 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-11 18:11:16,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23148 states. [2020-11-11 18:11:17,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23148 to 23148. [2020-11-11 18:11:17,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23148 states, 23147 states have (on average 4.210480839849657) internal successors, (97460), 23147 states have internal predecessors, (97460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:17,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23148 states to 23148 states and 97460 transitions. [2020-11-11 18:11:17,815 INFO L78 Accepts]: Start accepts. Automaton has 23148 states and 97460 transitions. Word has length 48 [2020-11-11 18:11:17,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:11:17,815 INFO L481 AbstractCegarLoop]: Abstraction has 23148 states and 97460 transitions. [2020-11-11 18:11:17,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 23148 states and 97460 transitions. [2020-11-11 18:11:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-11 18:11:17,861 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:11:17,862 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:11:17,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-11 18:11:17,862 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:11:17,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:11:17,863 INFO L82 PathProgramCache]: Analyzing trace with hash 783013961, now seen corresponding path program 1 times [2020-11-11 18:11:17,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:11:17,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26792367] [2020-11-11 18:11:17,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:11:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:11:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:11:18,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26792367] [2020-11-11 18:11:18,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:11:18,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-11 18:11:18,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659918568] [2020-11-11 18:11:18,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-11 18:11:18,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:11:18,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-11 18:11:18,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-11 18:11:18,051 INFO L87 Difference]: Start difference. First operand 23148 states and 97460 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:18,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:11:18,965 INFO L93 Difference]: Finished difference Result 31156 states and 129678 transitions. [2020-11-11 18:11:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-11 18:11:18,967 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2020-11-11 18:11:18,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:11:19,107 INFO L225 Difference]: With dead ends: 31156 [2020-11-11 18:11:19,107 INFO L226 Difference]: Without dead ends: 16792 [2020-11-11 18:11:19,108 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-11 18:11:19,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16792 states. [2020-11-11 18:11:19,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16792 to 16792. [2020-11-11 18:11:19,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16792 states, 16791 states have (on average 4.1099398487284855) internal successors, (69010), 16791 states have internal predecessors, (69010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:20,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16792 states to 16792 states and 69010 transitions. [2020-11-11 18:11:20,168 INFO L78 Accepts]: Start accepts. Automaton has 16792 states and 69010 transitions. Word has length 49 [2020-11-11 18:11:20,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:11:20,170 INFO L481 AbstractCegarLoop]: Abstraction has 16792 states and 69010 transitions. [2020-11-11 18:11:20,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:20,171 INFO L276 IsEmpty]: Start isEmpty. Operand 16792 states and 69010 transitions. [2020-11-11 18:11:20,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-11 18:11:20,210 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:11:20,210 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:11:20,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-11 18:11:20,211 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:11:20,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:11:20,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1975787338, now seen corresponding path program 1 times [2020-11-11 18:11:20,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:11:20,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437886799] [2020-11-11 18:11:20,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:11:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:11:20,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:11:20,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437886799] [2020-11-11 18:11:20,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:11:20,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-11 18:11:20,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516392008] [2020-11-11 18:11:20,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-11 18:11:20,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:11:20,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-11 18:11:20,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-11 18:11:20,411 INFO L87 Difference]: Start difference. First operand 16792 states and 69010 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:20,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:11:20,729 INFO L93 Difference]: Finished difference Result 18136 states and 73858 transitions. [2020-11-11 18:11:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-11 18:11:20,730 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2020-11-11 18:11:20,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:11:20,789 INFO L225 Difference]: With dead ends: 18136 [2020-11-11 18:11:20,790 INFO L226 Difference]: Without dead ends: 15000 [2020-11-11 18:11:20,790 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-11 18:11:20,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15000 states. [2020-11-11 18:11:21,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15000 to 15000. [2020-11-11 18:11:21,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15000 states, 14999 states have (on average 4.080405360357357) internal successors, (61202), 14999 states have internal predecessors, (61202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:21,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15000 states to 15000 states and 61202 transitions. [2020-11-11 18:11:21,537 INFO L78 Accepts]: Start accepts. Automaton has 15000 states and 61202 transitions. Word has length 51 [2020-11-11 18:11:21,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:11:21,538 INFO L481 AbstractCegarLoop]: Abstraction has 15000 states and 61202 transitions. [2020-11-11 18:11:21,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:21,538 INFO L276 IsEmpty]: Start isEmpty. Operand 15000 states and 61202 transitions. [2020-11-11 18:11:21,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-11 18:11:21,572 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:11:21,573 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:11:21,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-11 18:11:21,573 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:11:21,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:11:21,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1598789847, now seen corresponding path program 1 times [2020-11-11 18:11:21,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:11:21,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768748896] [2020-11-11 18:11:21,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:11:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:11:21,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:11:21,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768748896] [2020-11-11 18:11:21,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:11:21,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-11 18:11:21,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116225544] [2020-11-11 18:11:21,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-11 18:11:21,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:11:21,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-11 18:11:21,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-11 18:11:21,866 INFO L87 Difference]: Start difference. First operand 15000 states and 61202 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:22,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:11:22,282 INFO L93 Difference]: Finished difference Result 22616 states and 90978 transitions. [2020-11-11 18:11:22,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-11 18:11:22,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2020-11-11 18:11:22,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:11:22,347 INFO L225 Difference]: With dead ends: 22616 [2020-11-11 18:11:22,347 INFO L226 Difference]: Without dead ends: 16280 [2020-11-11 18:11:22,348 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-11 18:11:22,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16280 states. [2020-11-11 18:11:23,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16280 to 13720. [2020-11-11 18:11:23,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13720 states, 13719 states have (on average 4.002769881186675) internal successors, (54914), 13719 states have internal predecessors, (54914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:23,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13720 states to 13720 states and 54914 transitions. [2020-11-11 18:11:23,260 INFO L78 Accepts]: Start accepts. Automaton has 13720 states and 54914 transitions. Word has length 53 [2020-11-11 18:11:23,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:11:23,261 INFO L481 AbstractCegarLoop]: Abstraction has 13720 states and 54914 transitions. [2020-11-11 18:11:23,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:23,261 INFO L276 IsEmpty]: Start isEmpty. Operand 13720 states and 54914 transitions. [2020-11-11 18:11:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-11 18:11:23,287 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:11:23,287 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:11:23,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-11 18:11:23,287 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:11:23,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:11:23,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1207661705, now seen corresponding path program 1 times [2020-11-11 18:11:23,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:11:23,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300134002] [2020-11-11 18:11:23,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:11:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:11:23,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:11:23,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300134002] [2020-11-11 18:11:23,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:11:23,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-11 18:11:23,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506220550] [2020-11-11 18:11:23,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-11 18:11:23,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:11:23,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-11 18:11:23,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-11 18:11:23,496 INFO L87 Difference]: Start difference. First operand 13720 states and 54914 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:23,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:11:23,810 INFO L93 Difference]: Finished difference Result 21240 states and 84550 transitions. [2020-11-11 18:11:23,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-11 18:11:23,811 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2020-11-11 18:11:23,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:11:23,848 INFO L225 Difference]: With dead ends: 21240 [2020-11-11 18:11:23,848 INFO L226 Difference]: Without dead ends: 12140 [2020-11-11 18:11:23,848 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-11 18:11:23,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12140 states. [2020-11-11 18:11:24,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12140 to 12140. [2020-11-11 18:11:24,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12140 states, 12139 states have (on average 3.9759453002718512) internal successors, (48264), 12139 states have internal predecessors, (48264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:24,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12140 states to 12140 states and 48264 transitions. [2020-11-11 18:11:24,633 INFO L78 Accepts]: Start accepts. Automaton has 12140 states and 48264 transitions. Word has length 54 [2020-11-11 18:11:24,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:11:24,634 INFO L481 AbstractCegarLoop]: Abstraction has 12140 states and 48264 transitions. [2020-11-11 18:11:24,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:24,634 INFO L276 IsEmpty]: Start isEmpty. Operand 12140 states and 48264 transitions. [2020-11-11 18:11:24,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-11 18:11:24,658 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:11:24,658 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:11:24,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-11 18:11:24,659 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:11:24,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:11:24,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1887275789, now seen corresponding path program 2 times [2020-11-11 18:11:24,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:11:24,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606291592] [2020-11-11 18:11:24,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:11:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:11:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:11:24,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606291592] [2020-11-11 18:11:24,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:11:24,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-11 18:11:24,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759741363] [2020-11-11 18:11:24,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-11 18:11:24,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:11:24,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-11 18:11:24,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-11 18:11:24,863 INFO L87 Difference]: Start difference. First operand 12140 states and 48264 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:25,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:11:25,307 INFO L93 Difference]: Finished difference Result 16504 states and 65042 transitions. [2020-11-11 18:11:25,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-11 18:11:25,308 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2020-11-11 18:11:25,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:11:25,359 INFO L225 Difference]: With dead ends: 16504 [2020-11-11 18:11:25,359 INFO L226 Difference]: Without dead ends: 11768 [2020-11-11 18:11:25,360 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-11 18:11:25,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11768 states. [2020-11-11 18:11:25,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11768 to 11768. [2020-11-11 18:11:25,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11768 states, 11767 states have (on average 3.9580181864536415) internal successors, (46574), 11767 states have internal predecessors, (46574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:25,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11768 states to 11768 states and 46574 transitions. [2020-11-11 18:11:25,803 INFO L78 Accepts]: Start accepts. Automaton has 11768 states and 46574 transitions. Word has length 54 [2020-11-11 18:11:25,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:11:25,803 INFO L481 AbstractCegarLoop]: Abstraction has 11768 states and 46574 transitions. [2020-11-11 18:11:25,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:25,804 INFO L276 IsEmpty]: Start isEmpty. Operand 11768 states and 46574 transitions. [2020-11-11 18:11:25,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-11 18:11:25,827 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:11:25,827 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:11:25,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-11 18:11:25,828 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:11:25,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:11:25,828 INFO L82 PathProgramCache]: Analyzing trace with hash 741333027, now seen corresponding path program 1 times [2020-11-11 18:11:25,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:11:25,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281528104] [2020-11-11 18:11:25,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:11:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:11:26,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:11:26,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281528104] [2020-11-11 18:11:26,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:11:26,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-11 18:11:26,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313203001] [2020-11-11 18:11:26,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-11 18:11:26,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:11:26,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-11 18:11:26,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-11 18:11:26,030 INFO L87 Difference]: Start difference. First operand 11768 states and 46574 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:26,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:11:26,453 INFO L93 Difference]: Finished difference Result 14594 states and 56819 transitions. [2020-11-11 18:11:26,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-11 18:11:26,454 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2020-11-11 18:11:26,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:11:26,488 INFO L225 Difference]: With dead ends: 14594 [2020-11-11 18:11:26,488 INFO L226 Difference]: Without dead ends: 10130 [2020-11-11 18:11:26,489 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-11-11 18:11:26,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10130 states. [2020-11-11 18:11:26,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10130 to 10130. [2020-11-11 18:11:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10130 states, 10129 states have (on average 3.8804422944022114) internal successors, (39305), 10129 states have internal predecessors, (39305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:27,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10130 states to 10130 states and 39305 transitions. [2020-11-11 18:11:27,031 INFO L78 Accepts]: Start accepts. Automaton has 10130 states and 39305 transitions. Word has length 55 [2020-11-11 18:11:27,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:11:27,031 INFO L481 AbstractCegarLoop]: Abstraction has 10130 states and 39305 transitions. [2020-11-11 18:11:27,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:27,032 INFO L276 IsEmpty]: Start isEmpty. Operand 10130 states and 39305 transitions. [2020-11-11 18:11:27,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-11 18:11:27,049 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:11:27,049 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:11:27,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-11 18:11:27,049 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:11:27,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:11:27,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1669139404, now seen corresponding path program 1 times [2020-11-11 18:11:27,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:11:27,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858685940] [2020-11-11 18:11:27,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:11:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:11:27,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:11:27,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858685940] [2020-11-11 18:11:27,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:11:27,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-11 18:11:27,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074827274] [2020-11-11 18:11:27,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-11 18:11:27,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:11:27,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-11 18:11:27,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-11 18:11:27,228 INFO L87 Difference]: Start difference. First operand 10130 states and 39305 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:27,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:11:27,681 INFO L93 Difference]: Finished difference Result 10373 states and 39269 transitions. [2020-11-11 18:11:27,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-11 18:11:27,682 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2020-11-11 18:11:27,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:11:27,704 INFO L225 Difference]: With dead ends: 10373 [2020-11-11 18:11:27,704 INFO L226 Difference]: Without dead ends: 6989 [2020-11-11 18:11:27,704 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-11-11 18:11:27,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6989 states. [2020-11-11 18:11:27,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6989 to 6989. [2020-11-11 18:11:27,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6989 states, 6988 states have (on average 3.728391528334287) internal successors, (26054), 6988 states have internal predecessors, (26054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:27,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6989 states to 6989 states and 26054 transitions. [2020-11-11 18:11:27,849 INFO L78 Accepts]: Start accepts. Automaton has 6989 states and 26054 transitions. Word has length 56 [2020-11-11 18:11:27,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:11:27,849 INFO L481 AbstractCegarLoop]: Abstraction has 6989 states and 26054 transitions. [2020-11-11 18:11:27,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:27,849 INFO L276 IsEmpty]: Start isEmpty. Operand 6989 states and 26054 transitions. [2020-11-11 18:11:27,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-11 18:11:27,860 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:11:27,860 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:11:27,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-11 18:11:27,860 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:11:27,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:11:27,861 INFO L82 PathProgramCache]: Analyzing trace with hash -10705787, now seen corresponding path program 1 times [2020-11-11 18:11:27,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:11:27,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31684223] [2020-11-11 18:11:27,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:11:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:11:28,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:11:28,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31684223] [2020-11-11 18:11:28,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:11:28,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-11 18:11:28,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920147997] [2020-11-11 18:11:28,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-11 18:11:28,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:11:28,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-11 18:11:28,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-11 18:11:28,005 INFO L87 Difference]: Start difference. First operand 6989 states and 26054 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:28,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:11:28,240 INFO L93 Difference]: Finished difference Result 10437 states and 38991 transitions. [2020-11-11 18:11:28,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-11 18:11:28,245 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2020-11-11 18:11:28,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:11:28,268 INFO L225 Difference]: With dead ends: 10437 [2020-11-11 18:11:28,268 INFO L226 Difference]: Without dead ends: 6943 [2020-11-11 18:11:28,268 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-11 18:11:28,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6943 states. [2020-11-11 18:11:28,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6943 to 6079. [2020-11-11 18:11:28,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6079 states, 6078 states have (on average 3.7140506745640014) internal successors, (22574), 6078 states have internal predecessors, (22574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6079 states to 6079 states and 22574 transitions. [2020-11-11 18:11:28,598 INFO L78 Accepts]: Start accepts. Automaton has 6079 states and 22574 transitions. Word has length 58 [2020-11-11 18:11:28,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:11:28,598 INFO L481 AbstractCegarLoop]: Abstraction has 6079 states and 22574 transitions. [2020-11-11 18:11:28,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:28,598 INFO L276 IsEmpty]: Start isEmpty. Operand 6079 states and 22574 transitions. [2020-11-11 18:11:28,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-11 18:11:28,608 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:11:28,609 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:11:28,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-11 18:11:28,609 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:11:28,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:11:28,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1226318091, now seen corresponding path program 2 times [2020-11-11 18:11:28,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:11:28,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570706391] [2020-11-11 18:11:28,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:11:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:11:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:11:28,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570706391] [2020-11-11 18:11:28,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:11:28,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-11 18:11:28,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414140308] [2020-11-11 18:11:28,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-11 18:11:28,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:11:28,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-11 18:11:28,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-11 18:11:28,823 INFO L87 Difference]: Start difference. First operand 6079 states and 22574 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:29,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:11:29,283 INFO L93 Difference]: Finished difference Result 4837 states and 17444 transitions. [2020-11-11 18:11:29,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-11 18:11:29,284 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2020-11-11 18:11:29,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:11:29,292 INFO L225 Difference]: With dead ends: 4837 [2020-11-11 18:11:29,292 INFO L226 Difference]: Without dead ends: 2537 [2020-11-11 18:11:29,292 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2020-11-11 18:11:29,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2537 states. [2020-11-11 18:11:29,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2537 to 2537. [2020-11-11 18:11:29,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2537 states, 2536 states have (on average 3.5035488958990535) internal successors, (8885), 2536 states have internal predecessors, (8885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 8885 transitions. [2020-11-11 18:11:29,361 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 8885 transitions. Word has length 58 [2020-11-11 18:11:29,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:11:29,361 INFO L481 AbstractCegarLoop]: Abstraction has 2537 states and 8885 transitions. [2020-11-11 18:11:29,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:29,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 8885 transitions. [2020-11-11 18:11:29,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-11 18:11:29,367 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:11:29,367 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:11:29,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-11 18:11:29,367 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:11:29,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:11:29,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1195573236, now seen corresponding path program 1 times [2020-11-11 18:11:29,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:11:29,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155326923] [2020-11-11 18:11:29,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:11:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:11:29,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:11:29,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155326923] [2020-11-11 18:11:29,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:11:29,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-11 18:11:29,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278498267] [2020-11-11 18:11:29,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-11 18:11:29,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:11:29,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-11 18:11:29,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-11 18:11:29,563 INFO L87 Difference]: Start difference. First operand 2537 states and 8885 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:29,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:11:29,715 INFO L93 Difference]: Finished difference Result 2213 states and 7697 transitions. [2020-11-11 18:11:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-11 18:11:29,716 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2020-11-11 18:11:29,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:11:29,716 INFO L225 Difference]: With dead ends: 2213 [2020-11-11 18:11:29,716 INFO L226 Difference]: Without dead ends: 0 [2020-11-11 18:11:29,717 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-11 18:11:29,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-11 18:11:29,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-11 18:11:29,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-11 18:11:29,717 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-11-11 18:11:29,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:11:29,717 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-11 18:11:29,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:11:29,718 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-11 18:11:29,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-11 18:11:29,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-11 18:11:29,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 06:11:29 BasicIcfg [2020-11-11 18:11:29,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-11 18:11:29,724 INFO L168 Benchmark]: Toolchain (without parser) took 30852.73 ms. Allocated memory was 306.2 MB in the beginning and 9.8 GB in the end (delta: 9.5 GB). Free memory was 280.0 MB in the beginning and 8.4 GB in the end (delta: -8.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.0 GB. [2020-11-11 18:11:29,725 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 306.2 MB. Free memory is still 277.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-11 18:11:29,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.45 ms. Allocated memory is still 306.2 MB. Free memory was 279.3 MB in the beginning and 279.4 MB in the end (delta: -60.5 kB). Peak memory consumption was 30.0 MB. Max. memory is 16.0 GB. [2020-11-11 18:11:29,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.73 ms. Allocated memory is still 306.2 MB. Free memory was 279.4 MB in the beginning and 277.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-11 18:11:29,727 INFO L168 Benchmark]: Boogie Preprocessor took 29.81 ms. Allocated memory is still 306.2 MB. Free memory was 277.3 MB in the beginning and 276.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-11 18:11:29,727 INFO L168 Benchmark]: RCFGBuilder took 687.30 ms. Allocated memory is still 306.2 MB. Free memory was 276.3 MB in the beginning and 252.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2020-11-11 18:11:29,728 INFO L168 Benchmark]: TraceAbstraction took 29445.23 ms. Allocated memory was 306.2 MB in the beginning and 9.8 GB in the end (delta: 9.5 GB). Free memory was 251.1 MB in the beginning and 8.4 GB in the end (delta: -8.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2020-11-11 18:11:29,732 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 306.2 MB. Free memory is still 277.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 621.45 ms. Allocated memory is still 306.2 MB. Free memory was 279.3 MB in the beginning and 279.4 MB in the end (delta: -60.5 kB). Peak memory consumption was 30.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 53.73 ms. Allocated memory is still 306.2 MB. Free memory was 279.4 MB in the beginning and 277.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.81 ms. Allocated memory is still 306.2 MB. Free memory was 277.3 MB in the beginning and 276.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 687.30 ms. Allocated memory is still 306.2 MB. Free memory was 276.3 MB in the beginning and 252.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 29445.23 ms. Allocated memory was 306.2 MB in the beginning and 9.8 GB in the end (delta: 9.5 GB). Free memory was 251.1 MB in the beginning and 8.4 GB in the end (delta: -8.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 29.2s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.7s, HoareTripleCheckerStatistics: 1380 SDtfs, 1985 SDslu, 4572 SDs, 0 SdLazy, 521 SolverSat, 111 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54312occurred 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: 8.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 3424 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 642 NumberOfCodeBlocks, 642 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 630 ConstructedInterpolants, 0 QuantifiedInterpolants, 88702 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...