/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-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 10:05:12,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 10:05:12,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 10:05:12,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 10:05:12,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 10:05:12,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 10:05:12,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 10:05:12,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 10:05:12,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 10:05:12,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 10:05:12,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 10:05:12,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 10:05:12,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 10:05:12,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 10:05:12,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 10:05:12,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 10:05:12,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 10:05:12,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 10:05:12,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 10:05:12,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 10:05:12,527 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-Separate.epf [2021-06-05 10:05:12,544 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 10:05:12,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 10:05:12,545 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 10:05:12,545 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 10:05:12,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 10:05:12,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 10:05:12,546 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 10:05:12,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 10:05:12,546 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 10:05:12,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 10:05:12,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 10:05:12,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 10:05:12,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 10:05:12,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 10:05:12,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 10:05:12,547 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 10:05:12,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 10:05:12,547 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 10:05:12,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 10:05:12,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 10:05:12,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 10:05:12,548 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 10:05:12,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 10:05:12,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 10:05:12,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 10:05:12,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 10:05:12,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 10:05:12,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 10:05:12,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 10:05:12,549 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 10:05:12,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 10:05:12,549 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 10:05:12,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 10:05:12,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 10:05:12,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 10:05:12,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 10:05:12,811 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 10:05:12,811 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 10:05:12,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2021-06-05 10:05:12,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8759b3a70/ef0f4ee42fd844d38122b4fe2145314e/FLAG4ae51e3e2 [2021-06-05 10:05:13,517 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 10:05:13,517 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2021-06-05 10:05:13,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8759b3a70/ef0f4ee42fd844d38122b4fe2145314e/FLAG4ae51e3e2 [2021-06-05 10:05:13,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8759b3a70/ef0f4ee42fd844d38122b4fe2145314e [2021-06-05 10:05:13,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 10:05:13,674 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 10:05:13,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 10:05:13,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 10:05:13,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 10:05:13,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:05:13" (1/1) ... [2021-06-05 10:05:13,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52da816c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:13, skipping insertion in model container [2021-06-05 10:05:13,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:05:13" (1/1) ... [2021-06-05 10:05:13,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 10:05:13,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 10:05:13,839 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i[950,963] [2021-06-05 10:05:13,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:05:13,991 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 10:05:13,999 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i[950,963] [2021-06-05 10:05:14,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:05:14,079 INFO L208 MainTranslator]: Completed translation [2021-06-05 10:05:14,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:14 WrapperNode [2021-06-05 10:05:14,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 10:05:14,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 10:05:14,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 10:05:14,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 10:05:14,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:14" (1/1) ... [2021-06-05 10:05:14,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:14" (1/1) ... [2021-06-05 10:05:14,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 10:05:14,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 10:05:14,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 10:05:14,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 10:05:14,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:14" (1/1) ... [2021-06-05 10:05:14,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:14" (1/1) ... [2021-06-05 10:05:14,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:14" (1/1) ... [2021-06-05 10:05:14,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:14" (1/1) ... [2021-06-05 10:05:14,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:14" (1/1) ... [2021-06-05 10:05:14,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:14" (1/1) ... [2021-06-05 10:05:14,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:14" (1/1) ... [2021-06-05 10:05:14,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 10:05:14,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 10:05:14,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 10:05:14,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 10:05:14,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:14" (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 [2021-06-05 10:05:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 10:05:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-05 10:05:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 10:05:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 10:05:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-05 10:05:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-05 10:05:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-05 10:05:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-05 10:05:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-05 10:05:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-05 10:05:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 10:05:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-05 10:05:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 10:05:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 10:05:14,256 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 10:05:14,594 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 10:05:14,594 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-05 10:05:14,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:05:14 BoogieIcfgContainer [2021-06-05 10:05:14,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 10:05:14,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 10:05:14,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 10:05:14,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 10:05:14,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 10:05:13" (1/3) ... [2021-06-05 10:05:14,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f677e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:05:14, skipping insertion in model container [2021-06-05 10:05:14,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:05:14" (2/3) ... [2021-06-05 10:05:14,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f677e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:05:14, skipping insertion in model container [2021-06-05 10:05:14,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:05:14" (3/3) ... [2021-06-05 10:05:14,604 INFO L111 eAbstractionObserver]: Analyzing ICFG safe007_pso.oepc.i [2021-06-05 10:05:14,608 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 10:05:14,609 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 10:05:14,609 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 10:05:14,609 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 10:05:14,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,636 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,636 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,638 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,639 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,640 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,640 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,641 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,641 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,646 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,646 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,646 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,647 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,647 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,647 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,649 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,650 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,650 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,650 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,661 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,662 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,663 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,664 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:05:14,667 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 10:05:14,683 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 10:05:14,697 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 10:05:14,697 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 10:05:14,697 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 10:05:14,697 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 10:05:14,697 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 10:05:14,697 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 10:05:14,697 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 10:05:14,698 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 10:05:14,708 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 93 places, 85 transitions, 185 flow [2021-06-05 10:05:15,085 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9333 states, 9331 states have (on average 3.562104811917265) internal successors, (33238), 9332 states have internal predecessors, (33238), 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) [2021-06-05 10:05:15,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 9333 states, 9331 states have (on average 3.562104811917265) internal successors, (33238), 9332 states have internal predecessors, (33238), 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) [2021-06-05 10:05:15,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-06-05 10:05:15,160 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:05:15,161 INFO L521 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] [2021-06-05 10:05:15,161 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:05:15,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:05:15,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1408065288, now seen corresponding path program 1 times [2021-06-05 10:05:15,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:05:15,173 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928179694] [2021-06-05 10:05:15,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:05:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:05:15,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:05:15,513 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:05:15,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928179694] [2021-06-05 10:05:15,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928179694] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:05:15,514 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:05:15,514 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:05:15,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394033974] [2021-06-05 10:05:15,518 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:05:15,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:05:15,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:05:15,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:05:15,581 INFO L87 Difference]: Start difference. First operand has 9333 states, 9331 states have (on average 3.562104811917265) internal successors, (33238), 9332 states have internal predecessors, (33238), 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 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2021-06-05 10:05:15,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:05:15,834 INFO L93 Difference]: Finished difference Result 13664 states and 47630 transitions. [2021-06-05 10:05:15,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:05:15,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 50 [2021-06-05 10:05:15,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:05:15,871 INFO L225 Difference]: With dead ends: 13664 [2021-06-05 10:05:15,872 INFO L226 Difference]: Without dead ends: 5169 [2021-06-05 10:05:15,872 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 106.2ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:05:15,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5169 states. [2021-06-05 10:05:16,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5169 to 5169. [2021-06-05 10:05:16,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5169 states, 5168 states have (on average 3.4171826625387) internal successors, (17660), 5168 states have internal predecessors, (17660), 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) [2021-06-05 10:05:16,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5169 states to 5169 states and 17660 transitions. [2021-06-05 10:05:16,172 INFO L78 Accepts]: Start accepts. Automaton has 5169 states and 17660 transitions. Word has length 50 [2021-06-05 10:05:16,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:05:16,175 INFO L482 AbstractCegarLoop]: Abstraction has 5169 states and 17660 transitions. [2021-06-05 10:05:16,176 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2021-06-05 10:05:16,176 INFO L276 IsEmpty]: Start isEmpty. Operand 5169 states and 17660 transitions. [2021-06-05 10:05:16,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-06-05 10:05:16,192 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:05:16,192 INFO L521 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] [2021-06-05 10:05:16,192 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 10:05:16,192 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:05:16,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:05:16,195 INFO L82 PathProgramCache]: Analyzing trace with hash 452026023, now seen corresponding path program 1 times [2021-06-05 10:05:16,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:05:16,196 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799789525] [2021-06-05 10:05:16,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:05:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:05:16,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:05:16,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:05:16,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799789525] [2021-06-05 10:05:16,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799789525] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:05:16,344 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:05:16,344 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:05:16,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904013051] [2021-06-05 10:05:16,345 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:05:16,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:05:16,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:05:16,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:05:16,347 INFO L87 Difference]: Start difference. First operand 5169 states and 17660 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) [2021-06-05 10:05:16,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:05:16,502 INFO L93 Difference]: Finished difference Result 5889 states and 19911 transitions. [2021-06-05 10:05:16,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:05:16,502 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 [2021-06-05 10:05:16,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:05:16,523 INFO L225 Difference]: With dead ends: 5889 [2021-06-05 10:05:16,524 INFO L226 Difference]: Without dead ends: 4629 [2021-06-05 10:05:16,525 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 114.4ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:05:16,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4629 states. [2021-06-05 10:05:16,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4629 to 4629. [2021-06-05 10:05:16,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4629 states, 4628 states have (on average 3.3854796888504755) internal successors, (15668), 4628 states have internal predecessors, (15668), 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) [2021-06-05 10:05:16,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4629 states to 4629 states and 15668 transitions. [2021-06-05 10:05:16,689 INFO L78 Accepts]: Start accepts. Automaton has 4629 states and 15668 transitions. Word has length 52 [2021-06-05 10:05:16,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:05:16,690 INFO L482 AbstractCegarLoop]: Abstraction has 4629 states and 15668 transitions. [2021-06-05 10:05:16,690 INFO L483 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) [2021-06-05 10:05:16,690 INFO L276 IsEmpty]: Start isEmpty. Operand 4629 states and 15668 transitions. [2021-06-05 10:05:16,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-06-05 10:05:16,696 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:05:16,696 INFO L521 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] [2021-06-05 10:05:16,696 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 10:05:16,696 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:05:16,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:05:16,697 INFO L82 PathProgramCache]: Analyzing trace with hash -873664247, now seen corresponding path program 1 times [2021-06-05 10:05:16,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:05:16,697 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374174032] [2021-06-05 10:05:16,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:05:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:05:16,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:05:16,829 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:05:16,829 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374174032] [2021-06-05 10:05:16,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374174032] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:05:16,829 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:05:16,830 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:05:16,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965361805] [2021-06-05 10:05:16,830 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:05:16,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:05:16,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:05:16,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:05:16,831 INFO L87 Difference]: Start difference. First operand 4629 states and 15668 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) [2021-06-05 10:05:16,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:05:16,957 INFO L93 Difference]: Finished difference Result 5189 states and 17401 transitions. [2021-06-05 10:05:16,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:05:16,958 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 [2021-06-05 10:05:16,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:05:16,989 INFO L225 Difference]: With dead ends: 5189 [2021-06-05 10:05:16,989 INFO L226 Difference]: Without dead ends: 4209 [2021-06-05 10:05:16,989 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 92.5ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-06-05 10:05:17,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4209 states. [2021-06-05 10:05:17,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4209 to 4209. [2021-06-05 10:05:17,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4209 states, 4208 states have (on average 3.3583650190114067) internal successors, (14132), 4208 states have internal predecessors, (14132), 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) [2021-06-05 10:05:17,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4209 states to 4209 states and 14132 transitions. [2021-06-05 10:05:17,095 INFO L78 Accepts]: Start accepts. Automaton has 4209 states and 14132 transitions. Word has length 52 [2021-06-05 10:05:17,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:05:17,097 INFO L482 AbstractCegarLoop]: Abstraction has 4209 states and 14132 transitions. [2021-06-05 10:05:17,097 INFO L483 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) [2021-06-05 10:05:17,097 INFO L276 IsEmpty]: Start isEmpty. Operand 4209 states and 14132 transitions. [2021-06-05 10:05:17,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-06-05 10:05:17,104 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:05:17,104 INFO L521 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] [2021-06-05 10:05:17,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 10:05:17,104 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:05:17,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:05:17,106 INFO L82 PathProgramCache]: Analyzing trace with hash -504396568, now seen corresponding path program 1 times [2021-06-05 10:05:17,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:05:17,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041601677] [2021-06-05 10:05:17,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:05:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:05:17,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:05:17,232 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:05:17,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041601677] [2021-06-05 10:05:17,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041601677] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:05:17,233 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:05:17,233 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:05:17,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218696925] [2021-06-05 10:05:17,233 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:05:17,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:05:17,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:05:17,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:05:17,236 INFO L87 Difference]: Start difference. First operand 4209 states and 14132 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) [2021-06-05 10:05:17,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:05:17,496 INFO L93 Difference]: Finished difference Result 7384 states and 24637 transitions. [2021-06-05 10:05:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:05:17,496 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 [2021-06-05 10:05:17,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:05:17,512 INFO L225 Difference]: With dead ends: 7384 [2021-06-05 10:05:17,512 INFO L226 Difference]: Without dead ends: 5184 [2021-06-05 10:05:17,512 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 222.1ms TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:05:17,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2021-06-05 10:05:17,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 4784. [2021-06-05 10:05:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4784 states, 4783 states have (on average 3.3320091992473344) internal successors, (15937), 4783 states have internal predecessors, (15937), 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) [2021-06-05 10:05:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4784 states to 4784 states and 15937 transitions. [2021-06-05 10:05:17,651 INFO L78 Accepts]: Start accepts. Automaton has 4784 states and 15937 transitions. Word has length 54 [2021-06-05 10:05:17,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:05:17,651 INFO L482 AbstractCegarLoop]: Abstraction has 4784 states and 15937 transitions. [2021-06-05 10:05:17,651 INFO L483 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) [2021-06-05 10:05:17,652 INFO L276 IsEmpty]: Start isEmpty. Operand 4784 states and 15937 transitions. [2021-06-05 10:05:17,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-06-05 10:05:17,659 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:05:17,660 INFO L521 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] [2021-06-05 10:05:17,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 10:05:17,660 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:05:17,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:05:17,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1424600964, now seen corresponding path program 2 times [2021-06-05 10:05:17,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:05:17,660 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455733644] [2021-06-05 10:05:17,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:05:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:05:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:05:17,734 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:05:17,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455733644] [2021-06-05 10:05:17,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455733644] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:05:17,734 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:05:17,734 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:05:17,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071648357] [2021-06-05 10:05:17,735 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:05:17,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:05:17,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:05:17,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:05:17,736 INFO L87 Difference]: Start difference. First operand 4784 states and 15937 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) [2021-06-05 10:05:17,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:05:17,958 INFO L93 Difference]: Finished difference Result 7784 states and 25782 transitions. [2021-06-05 10:05:17,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 10:05:17,959 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 [2021-06-05 10:05:17,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:05:17,975 INFO L225 Difference]: With dead ends: 7784 [2021-06-05 10:05:17,975 INFO L226 Difference]: Without dead ends: 5584 [2021-06-05 10:05:17,976 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 174.6ms TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2021-06-05 10:05:17,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5584 states. [2021-06-05 10:05:18,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5584 to 4609. [2021-06-05 10:05:18,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4609 states, 4608 states have (on average 3.3153211805555554) internal successors, (15277), 4608 states have internal predecessors, (15277), 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) [2021-06-05 10:05:18,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4609 states to 4609 states and 15277 transitions. [2021-06-05 10:05:18,147 INFO L78 Accepts]: Start accepts. Automaton has 4609 states and 15277 transitions. Word has length 54 [2021-06-05 10:05:18,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:05:18,147 INFO L482 AbstractCegarLoop]: Abstraction has 4609 states and 15277 transitions. [2021-06-05 10:05:18,147 INFO L483 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) [2021-06-05 10:05:18,148 INFO L276 IsEmpty]: Start isEmpty. Operand 4609 states and 15277 transitions. [2021-06-05 10:05:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-05 10:05:18,156 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:05:18,156 INFO L521 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] [2021-06-05 10:05:18,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 10:05:18,156 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:05:18,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:05:18,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1337925750, now seen corresponding path program 1 times [2021-06-05 10:05:18,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:05:18,157 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345837463] [2021-06-05 10:05:18,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:05:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:05:18,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:05:18,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:05:18,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345837463] [2021-06-05 10:05:18,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345837463] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:05:18,254 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:05:18,254 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:05:18,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892838715] [2021-06-05 10:05:18,254 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:05:18,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:05:18,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:05:18,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:05:18,255 INFO L87 Difference]: Start difference. First operand 4609 states and 15277 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) [2021-06-05 10:05:18,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:05:18,434 INFO L93 Difference]: Finished difference Result 5999 states and 19797 transitions. [2021-06-05 10:05:18,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 10:05:18,434 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 [2021-06-05 10:05:18,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:05:18,441 INFO L225 Difference]: With dead ends: 5999 [2021-06-05 10:05:18,441 INFO L226 Difference]: Without dead ends: 2639 [2021-06-05 10:05:18,443 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 126.8ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-06-05 10:05:18,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2639 states. [2021-06-05 10:05:18,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2639 to 2639. [2021-06-05 10:05:18,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2639 states, 2638 states have (on average 3.2505686125852917) internal successors, (8575), 2638 states have internal predecessors, (8575), 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) [2021-06-05 10:05:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 2639 states and 8575 transitions. [2021-06-05 10:05:18,502 INFO L78 Accepts]: Start accepts. Automaton has 2639 states and 8575 transitions. Word has length 55 [2021-06-05 10:05:18,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:05:18,502 INFO L482 AbstractCegarLoop]: Abstraction has 2639 states and 8575 transitions. [2021-06-05 10:05:18,502 INFO L483 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) [2021-06-05 10:05:18,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2639 states and 8575 transitions. [2021-06-05 10:05:18,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-06-05 10:05:18,507 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:05:18,508 INFO L521 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] [2021-06-05 10:05:18,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 10:05:18,508 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:05:18,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:05:18,508 INFO L82 PathProgramCache]: Analyzing trace with hash 822730279, now seen corresponding path program 1 times [2021-06-05 10:05:18,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:05:18,508 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509141838] [2021-06-05 10:05:18,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:05:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:05:18,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:05:18,578 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:05:18,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509141838] [2021-06-05 10:05:18,578 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509141838] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:05:18,578 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:05:18,578 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:05:18,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377496821] [2021-06-05 10:05:18,578 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:05:18,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:05:18,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:05:18,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:05:18,579 INFO L87 Difference]: Start difference. First operand 2639 states and 8575 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-06-05 10:05:18,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:05:18,727 INFO L93 Difference]: Finished difference Result 3559 states and 11521 transitions. [2021-06-05 10:05:18,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 10:05:18,727 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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 57 [2021-06-05 10:05:18,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:05:18,731 INFO L225 Difference]: With dead ends: 3559 [2021-06-05 10:05:18,731 INFO L226 Difference]: Without dead ends: 1729 [2021-06-05 10:05:18,731 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 104.2ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-06-05 10:05:18,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1729 states. [2021-06-05 10:05:18,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1729 to 1729. [2021-06-05 10:05:18,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1729 states, 1728 states have (on average 3.1574074074074074) internal successors, (5456), 1728 states have internal predecessors, (5456), 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) [2021-06-05 10:05:18,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 5456 transitions. [2021-06-05 10:05:18,759 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 5456 transitions. Word has length 57 [2021-06-05 10:05:18,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:05:18,759 INFO L482 AbstractCegarLoop]: Abstraction has 1729 states and 5456 transitions. [2021-06-05 10:05:18,759 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-06-05 10:05:18,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 5456 transitions. [2021-06-05 10:05:18,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-06-05 10:05:18,762 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:05:18,762 INFO L521 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] [2021-06-05 10:05:18,762 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 10:05:18,762 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:05:18,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:05:18,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1119585077, now seen corresponding path program 1 times [2021-06-05 10:05:18,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:05:18,763 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211211982] [2021-06-05 10:05:18,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:05:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:05:18,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:05:18,828 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:05:18,829 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211211982] [2021-06-05 10:05:18,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211211982] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:05:18,829 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:05:18,829 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 10:05:18,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721641367] [2021-06-05 10:05:18,831 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 10:05:18,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:05:18,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 10:05:18,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-05 10:05:18,831 INFO L87 Difference]: Start difference. First operand 1729 states and 5456 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 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) [2021-06-05 10:05:18,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:05:18,919 INFO L93 Difference]: Finished difference Result 1569 states and 4928 transitions. [2021-06-05 10:05:18,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 10:05:18,919 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 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 [2021-06-05 10:05:18,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:05:18,919 INFO L225 Difference]: With dead ends: 1569 [2021-06-05 10:05:18,920 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 10:05:18,920 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 93.2ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:05:18,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 10:05:18,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 10:05:18,920 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) [2021-06-05 10:05:18,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 10:05:18,920 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-06-05 10:05:18,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:05:18,920 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 10:05:18,920 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 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) [2021-06-05 10:05:18,921 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 10:05:18,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 10:05:18,921 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 10:05:18,922 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 10:05:18,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 10:05:18 BasicIcfg [2021-06-05 10:05:18,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 10:05:18,924 INFO L168 Benchmark]: Toolchain (without parser) took 5250.75 ms. Allocated memory was 385.9 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 348.0 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 216.2 MB. Max. memory is 16.0 GB. [2021-06-05 10:05:18,925 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 385.9 MB. Free memory is still 366.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 10:05:18,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.04 ms. Allocated memory is still 385.9 MB. Free memory was 347.8 MB in the beginning and 346.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2021-06-05 10:05:18,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.34 ms. Allocated memory is still 385.9 MB. Free memory was 346.7 MB in the beginning and 344.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 10:05:18,927 INFO L168 Benchmark]: Boogie Preprocessor took 14.28 ms. Allocated memory is still 385.9 MB. Free memory was 344.6 MB in the beginning and 343.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 10:05:18,928 INFO L168 Benchmark]: RCFGBuilder took 456.63 ms. Allocated memory is still 385.9 MB. Free memory was 343.5 MB in the beginning and 317.3 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-05 10:05:18,928 INFO L168 Benchmark]: TraceAbstraction took 4324.59 ms. Allocated memory was 385.9 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 316.3 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 185.9 MB. Max. memory is 16.0 GB. [2021-06-05 10:05:18,933 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 385.9 MB. Free memory is still 366.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 405.04 ms. Allocated memory is still 385.9 MB. Free memory was 347.8 MB in the beginning and 346.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 44.34 ms. Allocated memory is still 385.9 MB. Free memory was 346.7 MB in the beginning and 344.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.28 ms. Allocated memory is still 385.9 MB. Free memory was 344.6 MB in the beginning and 343.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 456.63 ms. Allocated memory is still 385.9 MB. Free memory was 343.5 MB in the beginning and 317.3 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4324.59 ms. Allocated memory was 385.9 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 316.3 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 185.9 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 108 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4226.1ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 126.3ms, AutomataDifference: 1639.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 387.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 908 SDtfs, 1283 SDslu, 3063 SDs, 0 SdLazy, 238 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 264.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1034.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9333occurred in iteration=0, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 957.7ms AutomataMinimizationTime, 8 MinimizatonAttempts, 1375 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 25.8ms SsaConstructionTime, 180.4ms SatisfiabilityAnalysisTime, 760.1ms InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 424 ConstructedInterpolants, 0 QuantifiedInterpolants, 2054 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...