/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 01:02:53,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 01:02:53,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 01:02:53,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-15 01:02:53,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-15 01:02:53,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-15 01:02:53,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-15 01:02:53,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-15 01:02:53,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-15 01:02:53,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-15 01:02:53,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-15 01:02:53,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-15 01:02:53,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-15 01:02:53,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-15 01:02:53,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-15 01:02:53,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-15 01:02:53,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-15 01:02:53,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-15 01:02:53,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-15 01:02:53,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-15 01:02:53,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-15 01:02:53,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-15 01:02:53,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-15 01:02:53,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-15 01:02:53,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-15 01:02:53,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-15 01:02:53,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-15 01:02:53,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-15 01:02:53,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-15 01:02:53,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-15 01:02:53,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-15 01:02:53,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-15 01:02:53,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-15 01:02:53,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-15 01:02:53,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-15 01:02:53,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-15 01:02:53,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-15 01:02:53,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-15 01:02:53,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 01:02:53,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 01:02:53,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 01:02:53,594 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 [2021-04-15 01:02:53,613 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 01:02:53,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 01:02:53,614 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 01:02:53,614 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 01:02:53,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 01:02:53,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 01:02:53,615 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 01:02:53,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 01:02:53,615 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 01:02:53,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 01:02:53,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 01:02:53,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 01:02:53,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 01:02:53,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 01:02:53,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 01:02:53,615 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 01:02:53,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 01:02:53,615 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 01:02:53,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 01:02:53,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 01:02:53,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 01:02:53,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 01:02:53,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 01:02:53,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 01:02:53,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 01:02:53,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 01:02:53,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 01:02:53,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 01:02:53,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 01:02:53,617 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 01:02:53,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 01:02:53,617 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 01:02:53,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 01:02:53,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 01:02:53,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 01:02:53,872 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-15 01:02:53,876 INFO L275 PluginConnector]: CDTParser initialized [2021-04-15 01:02:53,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i [2021-04-15 01:02:53,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2192b856e/4cab7dab20614f4fb3305ea7a0947bd6/FLAG455380b56 [2021-04-15 01:02:54,362 INFO L306 CDTParser]: Found 1 translation units. [2021-04-15 01:02:54,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i [2021-04-15 01:02:54,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2192b856e/4cab7dab20614f4fb3305ea7a0947bd6/FLAG455380b56 [2021-04-15 01:02:54,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2192b856e/4cab7dab20614f4fb3305ea7a0947bd6 [2021-04-15 01:02:54,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 01:02:54,394 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-15 01:02:54,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-15 01:02:54,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-15 01:02:54,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-15 01:02:54,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 01:02:54" (1/1) ... [2021-04-15 01:02:54,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c74a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:02:54, skipping insertion in model container [2021-04-15 01:02:54,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 01:02:54" (1/1) ... [2021-04-15 01:02:54,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-15 01:02:54,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-15 01:02:54,528 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i[949,962] [2021-04-15 01:02:54,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 01:02:54,644 INFO L203 MainTranslator]: Completed pre-run [2021-04-15 01:02:54,652 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i[949,962] [2021-04-15 01:02:54,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 01:02:54,722 INFO L208 MainTranslator]: Completed translation [2021-04-15 01:02:54,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:02:54 WrapperNode [2021-04-15 01:02:54,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-15 01:02:54,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 01:02:54,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 01:02:54,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 01:02:54,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:02:54" (1/1) ... [2021-04-15 01:02:54,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:02:54" (1/1) ... [2021-04-15 01:02:54,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 01:02:54,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 01:02:54,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 01:02:54,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 01:02:54,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:02:54" (1/1) ... [2021-04-15 01:02:54,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:02:54" (1/1) ... [2021-04-15 01:02:54,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:02:54" (1/1) ... [2021-04-15 01:02:54,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:02:54" (1/1) ... [2021-04-15 01:02:54,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:02:54" (1/1) ... [2021-04-15 01:02:54,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:02:54" (1/1) ... [2021-04-15 01:02:54,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:02:54" (1/1) ... [2021-04-15 01:02:54,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 01:02:54,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 01:02:54,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 01:02:54,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 01:02:54,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:02:54" (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 [2021-04-15 01:02:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-15 01:02:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-15 01:02:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-15 01:02:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-15 01:02:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-15 01:02:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-15 01:02:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-15 01:02:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-15 01:02:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-15 01:02:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-15 01:02:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-15 01:02:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-15 01:02:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 01:02:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 01:02:54,826 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 01:02:55,093 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 01:02:55,094 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-04-15 01:02:55,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 01:02:55 BoogieIcfgContainer [2021-04-15 01:02:55,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 01:02:55,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 01:02:55,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 01:02:55,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 01:02:55,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 01:02:54" (1/3) ... [2021-04-15 01:02:55,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@378f1f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 01:02:55, skipping insertion in model container [2021-04-15 01:02:55,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:02:54" (2/3) ... [2021-04-15 01:02:55,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@378f1f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 01:02:55, skipping insertion in model container [2021-04-15 01:02:55,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 01:02:55" (3/3) ... [2021-04-15 01:02:55,101 INFO L111 eAbstractionObserver]: Analyzing ICFG safe021_tso.opt.i [2021-04-15 01:02:55,105 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 01:02:55,105 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 01:02:55,108 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 01:02:55,109 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 01:02:55,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,126 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,126 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,127 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,127 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,127 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,127 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,127 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,127 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,128 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,128 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,128 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,128 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,129 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,129 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,130 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,130 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,132 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,132 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,135 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,135 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,136 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,137 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,137 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 01:02:55,138 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-15 01:02:55,152 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-04-15 01:02:55,164 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 01:02:55,164 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 01:02:55,164 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 01:02:55,164 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 01:02:55,164 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 01:02:55,164 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 01:02:55,164 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 01:02:55,164 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 01:02:55,171 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 83 places, 75 transitions, 165 flow [2021-04-15 01:02:55,553 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8819 states, 8817 states have (on average 3.5808097992514463) internal successors, (31572), 8818 states have internal predecessors, (31572), 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) [2021-04-15 01:02:55,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 8819 states, 8817 states have (on average 3.5808097992514463) internal successors, (31572), 8818 states have internal predecessors, (31572), 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) [2021-04-15 01:02:55,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-04-15 01:02:55,620 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 01:02:55,621 INFO L551 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] [2021-04-15 01:02:55,621 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 01:02:55,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 01:02:55,625 INFO L82 PathProgramCache]: Analyzing trace with hash 342406277, now seen corresponding path program 1 times [2021-04-15 01:02:55,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 01:02:55,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216847602] [2021-04-15 01:02:55,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 01:02:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 01:02:55,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 01:02:55,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216847602] [2021-04-15 01:02:55,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 01:02:55,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-15 01:02:55,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650224387] [2021-04-15 01:02:55,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 01:02:55,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 01:02:55,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 01:02:55,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-15 01:02:55,986 INFO L87 Difference]: Start difference. First operand has 8819 states, 8817 states have (on average 3.5808097992514463) internal successors, (31572), 8818 states have internal predecessors, (31572), 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 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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) [2021-04-15 01:02:56,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 01:02:56,378 INFO L93 Difference]: Finished difference Result 17030 states and 58588 transitions. [2021-04-15 01:02:56,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 01:02:56,379 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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 40 [2021-04-15 01:02:56,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 01:02:56,414 INFO L225 Difference]: With dead ends: 17030 [2021-04-15 01:02:56,415 INFO L226 Difference]: Without dead ends: 5375 [2021-04-15 01:02:56,416 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 220.3ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-04-15 01:02:56,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5375 states. [2021-04-15 01:02:56,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5375 to 4535. [2021-04-15 01:02:56,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4535 states, 4534 states have (on average 3.3729598588442875) internal successors, (15293), 4534 states have internal predecessors, (15293), 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) [2021-04-15 01:02:56,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4535 states to 4535 states and 15293 transitions. [2021-04-15 01:02:56,662 INFO L78 Accepts]: Start accepts. Automaton has 4535 states and 15293 transitions. Word has length 40 [2021-04-15 01:02:56,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 01:02:56,663 INFO L480 AbstractCegarLoop]: Abstraction has 4535 states and 15293 transitions. [2021-04-15 01:02:56,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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) [2021-04-15 01:02:56,666 INFO L276 IsEmpty]: Start isEmpty. Operand 4535 states and 15293 transitions. [2021-04-15 01:02:56,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-04-15 01:02:56,693 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 01:02:56,694 INFO L551 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] [2021-04-15 01:02:56,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 01:02:56,699 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 01:02:56,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 01:02:56,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1895058182, now seen corresponding path program 1 times [2021-04-15 01:02:56,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 01:02:56,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325243405] [2021-04-15 01:02:56,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 01:02:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 01:02:56,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 01:02:56,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325243405] [2021-04-15 01:02:56,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 01:02:56,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-15 01:02:56,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282989567] [2021-04-15 01:02:56,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 01:02:56,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 01:02:56,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 01:02:56,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-04-15 01:02:56,891 INFO L87 Difference]: Start difference. First operand 4535 states and 15293 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2021-04-15 01:02:57,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 01:02:57,164 INFO L93 Difference]: Finished difference Result 7416 states and 24655 transitions. [2021-04-15 01:02:57,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-15 01:02:57,165 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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 42 [2021-04-15 01:02:57,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 01:02:57,190 INFO L225 Difference]: With dead ends: 7416 [2021-04-15 01:02:57,191 INFO L226 Difference]: Without dead ends: 5848 [2021-04-15 01:02:57,192 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 225.9ms TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2021-04-15 01:02:57,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5848 states. [2021-04-15 01:02:57,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5848 to 4500. [2021-04-15 01:02:57,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4500 states, 4499 states have (on average 3.3676372527228273) internal successors, (15151), 4499 states have internal predecessors, (15151), 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) [2021-04-15 01:02:57,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4500 states to 4500 states and 15151 transitions. [2021-04-15 01:02:57,308 INFO L78 Accepts]: Start accepts. Automaton has 4500 states and 15151 transitions. Word has length 42 [2021-04-15 01:02:57,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 01:02:57,309 INFO L480 AbstractCegarLoop]: Abstraction has 4500 states and 15151 transitions. [2021-04-15 01:02:57,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2021-04-15 01:02:57,310 INFO L276 IsEmpty]: Start isEmpty. Operand 4500 states and 15151 transitions. [2021-04-15 01:02:57,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-04-15 01:02:57,320 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 01:02:57,320 INFO L551 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] [2021-04-15 01:02:57,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 01:02:57,320 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 01:02:57,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 01:02:57,326 INFO L82 PathProgramCache]: Analyzing trace with hash -238665818, now seen corresponding path program 1 times [2021-04-15 01:02:57,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 01:02:57,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707001480] [2021-04-15 01:02:57,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 01:02:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 01:02:57,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 01:02:57,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707001480] [2021-04-15 01:02:57,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 01:02:57,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-15 01:02:57,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942986656] [2021-04-15 01:02:57,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-15 01:02:57,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 01:02:57,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-15 01:02:57,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-04-15 01:02:57,462 INFO L87 Difference]: Start difference. First operand 4500 states and 15151 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 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) [2021-04-15 01:02:57,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 01:02:57,586 INFO L93 Difference]: Finished difference Result 6450 states and 21366 transitions. [2021-04-15 01:02:57,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-15 01:02:57,587 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 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 43 [2021-04-15 01:02:57,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 01:02:57,619 INFO L225 Difference]: With dead ends: 6450 [2021-04-15 01:02:57,620 INFO L226 Difference]: Without dead ends: 3342 [2021-04-15 01:02:57,620 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 116.2ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-04-15 01:02:57,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3342 states. [2021-04-15 01:02:57,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3342 to 2862. [2021-04-15 01:02:57,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2862 states, 2861 states have (on average 3.2268437609227543) internal successors, (9232), 2861 states have internal predecessors, (9232), 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) [2021-04-15 01:02:57,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2862 states and 9232 transitions. [2021-04-15 01:02:57,679 INFO L78 Accepts]: Start accepts. Automaton has 2862 states and 9232 transitions. Word has length 43 [2021-04-15 01:02:57,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 01:02:57,679 INFO L480 AbstractCegarLoop]: Abstraction has 2862 states and 9232 transitions. [2021-04-15 01:02:57,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 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) [2021-04-15 01:02:57,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2862 states and 9232 transitions. [2021-04-15 01:02:57,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-04-15 01:02:57,685 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 01:02:57,685 INFO L551 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] [2021-04-15 01:02:57,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-15 01:02:57,685 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 01:02:57,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 01:02:57,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1721846773, now seen corresponding path program 1 times [2021-04-15 01:02:57,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 01:02:57,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094670964] [2021-04-15 01:02:57,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 01:02:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 01:02:57,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 01:02:57,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094670964] [2021-04-15 01:02:57,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 01:02:57,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 01:02:57,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376685639] [2021-04-15 01:02:57,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 01:02:57,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 01:02:57,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 01:02:57,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-15 01:02:57,783 INFO L87 Difference]: Start difference. First operand 2862 states and 9232 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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) [2021-04-15 01:02:57,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 01:02:57,892 INFO L93 Difference]: Finished difference Result 3625 states and 11512 transitions. [2021-04-15 01:02:57,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 01:02:57,892 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 45 [2021-04-15 01:02:57,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 01:02:57,900 INFO L225 Difference]: With dead ends: 3625 [2021-04-15 01:02:57,900 INFO L226 Difference]: Without dead ends: 2609 [2021-04-15 01:02:57,900 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 63.1ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-04-15 01:02:57,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2609 states. [2021-04-15 01:02:57,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2609 to 2609. [2021-04-15 01:02:57,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2609 states, 2608 states have (on average 3.1767638036809815) internal successors, (8285), 2608 states have internal predecessors, (8285), 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) [2021-04-15 01:02:57,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 8285 transitions. [2021-04-15 01:02:57,960 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 8285 transitions. Word has length 45 [2021-04-15 01:02:57,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 01:02:57,960 INFO L480 AbstractCegarLoop]: Abstraction has 2609 states and 8285 transitions. [2021-04-15 01:02:57,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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) [2021-04-15 01:02:57,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 8285 transitions. [2021-04-15 01:02:57,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-04-15 01:02:57,964 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 01:02:57,964 INFO L551 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] [2021-04-15 01:02:57,965 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-15 01:02:57,965 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 01:02:57,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 01:02:57,965 INFO L82 PathProgramCache]: Analyzing trace with hash 955374472, now seen corresponding path program 1 times [2021-04-15 01:02:57,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 01:02:57,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351386864] [2021-04-15 01:02:57,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 01:02:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 01:02:58,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 01:02:58,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351386864] [2021-04-15 01:02:58,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 01:02:58,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-15 01:02:58,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692856868] [2021-04-15 01:02:58,059 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 01:02:58,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 01:02:58,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 01:02:58,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-15 01:02:58,059 INFO L87 Difference]: Start difference. First operand 2609 states and 8285 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 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) [2021-04-15 01:02:58,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 01:02:58,166 INFO L93 Difference]: Finished difference Result 2729 states and 8395 transitions. [2021-04-15 01:02:58,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 01:02:58,167 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 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 [2021-04-15 01:02:58,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 01:02:58,171 INFO L225 Difference]: With dead ends: 2729 [2021-04-15 01:02:58,171 INFO L226 Difference]: Without dead ends: 1877 [2021-04-15 01:02:58,171 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 76.0ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-04-15 01:02:58,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2021-04-15 01:02:58,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1877. [2021-04-15 01:02:58,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1877 states, 1876 states have (on average 3.025586353944563) internal successors, (5676), 1876 states have internal predecessors, (5676), 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) [2021-04-15 01:02:58,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 5676 transitions. [2021-04-15 01:02:58,211 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 5676 transitions. Word has length 46 [2021-04-15 01:02:58,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 01:02:58,212 INFO L480 AbstractCegarLoop]: Abstraction has 1877 states and 5676 transitions. [2021-04-15 01:02:58,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 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) [2021-04-15 01:02:58,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 5676 transitions. [2021-04-15 01:02:58,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-04-15 01:02:58,215 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 01:02:58,216 INFO L551 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] [2021-04-15 01:02:58,216 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-15 01:02:58,216 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 01:02:58,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 01:02:58,216 INFO L82 PathProgramCache]: Analyzing trace with hash 949050761, now seen corresponding path program 1 times [2021-04-15 01:02:58,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 01:02:58,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634911427] [2021-04-15 01:02:58,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 01:02:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 01:02:58,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 01:02:58,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634911427] [2021-04-15 01:02:58,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 01:02:58,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-15 01:02:58,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117566945] [2021-04-15 01:02:58,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-15 01:02:58,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 01:02:58,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-15 01:02:58,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-04-15 01:02:58,314 INFO L87 Difference]: Start difference. First operand 1877 states and 5676 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 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) [2021-04-15 01:02:58,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 01:02:58,422 INFO L93 Difference]: Finished difference Result 1517 states and 4422 transitions. [2021-04-15 01:02:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-15 01:02:58,422 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 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 [2021-04-15 01:02:58,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 01:02:58,423 INFO L225 Difference]: With dead ends: 1517 [2021-04-15 01:02:58,424 INFO L226 Difference]: Without dead ends: 953 [2021-04-15 01:02:58,424 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 81.4ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-04-15 01:02:58,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2021-04-15 01:02:58,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 921. [2021-04-15 01:02:58,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 2.8097826086956523) internal successors, (2585), 920 states have internal predecessors, (2585), 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) [2021-04-15 01:02:58,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 2585 transitions. [2021-04-15 01:02:58,436 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 2585 transitions. Word has length 48 [2021-04-15 01:02:58,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 01:02:58,436 INFO L480 AbstractCegarLoop]: Abstraction has 921 states and 2585 transitions. [2021-04-15 01:02:58,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 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) [2021-04-15 01:02:58,436 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 2585 transitions. [2021-04-15 01:02:58,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-04-15 01:02:58,438 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 01:02:58,438 INFO L551 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] [2021-04-15 01:02:58,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-15 01:02:58,438 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 01:02:58,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 01:02:58,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1570569489, now seen corresponding path program 1 times [2021-04-15 01:02:58,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 01:02:58,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564044632] [2021-04-15 01:02:58,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 01:02:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 01:02:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 01:02:58,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564044632] [2021-04-15 01:02:58,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 01:02:58,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 01:02:58,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946888407] [2021-04-15 01:02:58,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 01:02:58,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 01:02:58,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 01:02:58,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-15 01:02:58,510 INFO L87 Difference]: Start difference. First operand 921 states and 2585 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2021-04-15 01:02:58,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 01:02:58,549 INFO L93 Difference]: Finished difference Result 1484 states and 4202 transitions. [2021-04-15 01:02:58,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 01:02:58,549 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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 52 [2021-04-15 01:02:58,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 01:02:58,551 INFO L225 Difference]: With dead ends: 1484 [2021-04-15 01:02:58,551 INFO L226 Difference]: Without dead ends: 777 [2021-04-15 01:02:58,552 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 41.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-04-15 01:02:58,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2021-04-15 01:02:58,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 777. [2021-04-15 01:02:58,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 776 states have (on average 2.7667525773195876) internal successors, (2147), 776 states have internal predecessors, (2147), 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) [2021-04-15 01:02:58,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 2147 transitions. [2021-04-15 01:02:58,563 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 2147 transitions. Word has length 52 [2021-04-15 01:02:58,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 01:02:58,564 INFO L480 AbstractCegarLoop]: Abstraction has 777 states and 2147 transitions. [2021-04-15 01:02:58,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2021-04-15 01:02:58,564 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 2147 transitions. [2021-04-15 01:02:58,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-04-15 01:02:58,565 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 01:02:58,565 INFO L551 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] [2021-04-15 01:02:58,565 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-15 01:02:58,565 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 01:02:58,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 01:02:58,565 INFO L82 PathProgramCache]: Analyzing trace with hash -17903941, now seen corresponding path program 2 times [2021-04-15 01:02:58,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 01:02:58,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253243335] [2021-04-15 01:02:58,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 01:02:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 01:02:58,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 01:02:58,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253243335] [2021-04-15 01:02:58,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 01:02:58,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-15 01:02:58,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7192146] [2021-04-15 01:02:58,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 01:02:58,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 01:02:58,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 01:02:58,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-04-15 01:02:58,631 INFO L87 Difference]: Start difference. First operand 777 states and 2147 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2021-04-15 01:02:58,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 01:02:58,687 INFO L93 Difference]: Finished difference Result 723 states and 1985 transitions. [2021-04-15 01:02:58,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 01:02:58,688 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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 52 [2021-04-15 01:02:58,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 01:02:58,690 INFO L225 Difference]: With dead ends: 723 [2021-04-15 01:02:58,690 INFO L226 Difference]: Without dead ends: 0 [2021-04-15 01:02:58,690 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 66.8ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-04-15 01:02:58,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-04-15 01:02:58,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-04-15 01:02:58,690 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) [2021-04-15 01:02:58,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-04-15 01:02:58,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2021-04-15 01:02:58,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 01:02:58,690 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-04-15 01:02:58,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2021-04-15 01:02:58,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-04-15 01:02:58,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-04-15 01:02:58,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-15 01:02:58,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 01:02:58 BasicIcfg [2021-04-15 01:02:58,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 01:02:58,695 INFO L168 Benchmark]: Toolchain (without parser) took 4300.68 ms. Allocated memory was 354.4 MB in the beginning and 889.2 MB in the end (delta: 534.8 MB). Free memory was 317.5 MB in the beginning and 702.0 MB in the end (delta: -384.5 MB). Peak memory consumption was 153.1 MB. Max. memory is 16.0 GB. [2021-04-15 01:02:58,697 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 354.4 MB. Free memory was 335.7 MB in the beginning and 335.6 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 01:02:58,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.36 ms. Allocated memory is still 354.4 MB. Free memory was 317.3 MB in the beginning and 318.9 MB in the end (delta: -1.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.0 GB. [2021-04-15 01:02:58,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.57 ms. Allocated memory is still 354.4 MB. Free memory was 317.8 MB in the beginning and 316.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 01:02:58,700 INFO L168 Benchmark]: Boogie Preprocessor took 13.78 ms. Allocated memory is still 354.4 MB. Free memory was 316.8 MB in the beginning and 314.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 01:02:58,701 INFO L168 Benchmark]: RCFGBuilder took 333.55 ms. Allocated memory is still 354.4 MB. Free memory was 314.7 MB in the beginning and 290.6 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-04-15 01:02:58,701 INFO L168 Benchmark]: TraceAbstraction took 3596.49 ms. Allocated memory was 354.4 MB in the beginning and 889.2 MB in the end (delta: 534.8 MB). Free memory was 289.5 MB in the beginning and 702.0 MB in the end (delta: -412.4 MB). Peak memory consumption was 122.3 MB. Max. memory is 16.0 GB. [2021-04-15 01:02:58,706 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 354.4 MB. Free memory was 335.7 MB in the beginning and 335.6 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 327.36 ms. Allocated memory is still 354.4 MB. Free memory was 317.3 MB in the beginning and 318.9 MB in the end (delta: -1.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.57 ms. Allocated memory is still 354.4 MB. Free memory was 317.8 MB in the beginning and 316.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.78 ms. Allocated memory is still 354.4 MB. Free memory was 316.8 MB in the beginning and 314.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 333.55 ms. Allocated memory is still 354.4 MB. Free memory was 314.7 MB in the beginning and 290.6 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3596.49 ms. Allocated memory was 354.4 MB in the beginning and 889.2 MB in the end (delta: 534.8 MB). Free memory was 289.5 MB in the beginning and 702.0 MB in the end (delta: -412.4 MB). Peak memory consumption was 122.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3528.8ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 119.6ms, AutomataDifference: 1360.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 388.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 773 SDtfs, 1368 SDslu, 2724 SDs, 0 SdLazy, 335 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 203.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 891.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8819occurred in iteration=0, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 535.1ms AutomataMinimizationTime, 8 MinimizatonAttempts, 2700 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 32.8ms SsaConstructionTime, 174.3ms SatisfiabilityAnalysisTime, 742.0ms InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 360 ConstructedInterpolants, 0 QuantifiedInterpolants, 1412 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...