/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-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe003_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 12:24:01,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 12:24:01,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 12:24:01,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 12:24:01,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 12:24:01,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 12:24:01,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 12:24:01,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 12:24:01,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 12:24:01,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 12:24:01,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 12:24:01,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 12:24:01,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 12:24:01,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 12:24:01,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 12:24:01,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 12:24:01,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 12:24:01,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 12:24:01,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 12:24:01,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 12:24:01,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 12:24:01,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 12:24:01,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 12:24:01,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 12:24:01,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-10 12:24:01,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-10 12:24:01,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-10 12:24:01,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-10 12:24:01,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-10 12:24:01,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-10 12:24:01,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-10 12:24:01,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-10 12:24:01,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-10 12:24:01,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-10 12:24:01,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-10 12:24:01,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-10 12:24:01,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-10 12:24:01,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-10 12:24:01,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 12:24:01,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 12:24:01,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 12:24:01,554 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-PN-NoLbe.epf [2021-06-10 12:24:01,567 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 12:24:01,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 12:24:01,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 12:24:01,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 12:24:01,569 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 12:24:01,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 12:24:01,569 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 12:24:01,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 12:24:01,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 12:24:01,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 12:24:01,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 12:24:01,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 12:24:01,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 12:24:01,570 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 12:24:01,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 12:24:01,570 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 12:24:01,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 12:24:01,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 12:24:01,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 12:24:01,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 12:24:01,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 12:24:01,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 12:24:01,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 12:24:01,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 12:24:01,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 12:24:01,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 12:24:01,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 12:24:01,571 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-10 12:24:01,571 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 12:24:01,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 12:24:01,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 12:24:01,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 12:24:01,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 12:24:01,832 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-10 12:24:01,833 INFO L275 PluginConnector]: CDTParser initialized [2021-06-10 12:24:01,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe003_tso.oepc.i [2021-06-10 12:24:01,887 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddb0a6ceb/6bb4a66b01a54ec094f01aeef10c55b8/FLAG6b917fc61 [2021-06-10 12:24:02,200 INFO L306 CDTParser]: Found 1 translation units. [2021-06-10 12:24:02,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_tso.oepc.i [2021-06-10 12:24:02,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddb0a6ceb/6bb4a66b01a54ec094f01aeef10c55b8/FLAG6b917fc61 [2021-06-10 12:24:02,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddb0a6ceb/6bb4a66b01a54ec094f01aeef10c55b8 [2021-06-10 12:24:02,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 12:24:02,604 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-10 12:24:02,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-10 12:24:02,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-10 12:24:02,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-10 12:24:02,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 12:24:02" (1/1) ... [2021-06-10 12:24:02,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b326904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:24:02, skipping insertion in model container [2021-06-10 12:24:02,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 12:24:02" (1/1) ... [2021-06-10 12:24:02,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-10 12:24:02,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-10 12:24:02,762 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/safe003_tso.oepc.i[950,963] [2021-06-10 12:24:02,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 12:24:02,893 INFO L203 MainTranslator]: Completed pre-run [2021-06-10 12:24:02,902 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/safe003_tso.oepc.i[950,963] [2021-06-10 12:24:02,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 12:24:02,979 INFO L208 MainTranslator]: Completed translation [2021-06-10 12:24:02,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:24:02 WrapperNode [2021-06-10 12:24:02,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-10 12:24:02,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 12:24:02,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 12:24:02,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 12:24:02,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:24:02" (1/1) ... [2021-06-10 12:24:03,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:24:02" (1/1) ... [2021-06-10 12:24:03,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 12:24:03,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 12:24:03,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 12:24:03,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 12:24:03,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:24:02" (1/1) ... [2021-06-10 12:24:03,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:24:02" (1/1) ... [2021-06-10 12:24:03,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:24:02" (1/1) ... [2021-06-10 12:24:03,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:24:02" (1/1) ... [2021-06-10 12:24:03,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:24:02" (1/1) ... [2021-06-10 12:24:03,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:24:02" (1/1) ... [2021-06-10 12:24:03,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:24:02" (1/1) ... [2021-06-10 12:24:03,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 12:24:03,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 12:24:03,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 12:24:03,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 12:24:03,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:24:02" (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 [2021-06-10 12:24:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-10 12:24:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-10 12:24:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-10 12:24:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-10 12:24:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-10 12:24:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-10 12:24:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-10 12:24:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-10 12:24:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-10 12:24:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-10 12:24:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-10 12:24:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-10 12:24:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 12:24:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 12:24:03,122 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 12:24:03,434 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 12:24:03,434 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-10 12:24:03,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 12:24:03 BoogieIcfgContainer [2021-06-10 12:24:03,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 12:24:03,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 12:24:03,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 12:24:03,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 12:24:03,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.06 12:24:02" (1/3) ... [2021-06-10 12:24:03,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ce9ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 12:24:03, skipping insertion in model container [2021-06-10 12:24:03,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:24:02" (2/3) ... [2021-06-10 12:24:03,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ce9ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 12:24:03, skipping insertion in model container [2021-06-10 12:24:03,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 12:24:03" (3/3) ... [2021-06-10 12:24:03,442 INFO L111 eAbstractionObserver]: Analyzing ICFG safe003_tso.oepc.i [2021-06-10 12:24:03,446 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 12:24:03,448 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-10 12:24:03,449 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 12:24:03,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,477 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,477 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,478 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,478 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,479 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,479 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,479 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,480 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,482 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,482 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,483 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,483 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,485 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,485 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,485 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,485 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,487 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,487 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,491 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,491 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,495 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,496 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:24:03,498 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 12:24:03,510 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-10 12:24:03,532 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 12:24:03,532 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 12:24:03,532 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 12:24:03,532 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 12:24:03,533 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 12:24:03,533 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 12:24:03,533 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 12:24:03,533 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 12:24:03,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 75 transitions, 165 flow [2021-06-10 12:24:03,576 INFO L129 PetriNetUnfolder]: 2/72 cut-off events. [2021-06-10 12:24:03,577 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 12:24:03,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 72 events. 2/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-06-10 12:24:03,584 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 75 transitions, 165 flow [2021-06-10 12:24:03,593 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 60 transitions, 129 flow [2021-06-10 12:24:03,608 INFO L129 PetriNetUnfolder]: 1/59 cut-off events. [2021-06-10 12:24:03,608 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 12:24:03,608 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:24:03,609 INFO L263 CegarLoopForPetriNet]: 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] [2021-06-10 12:24:03,609 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:24:03,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:24:03,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1780672703, now seen corresponding path program 1 times [2021-06-10 12:24:03,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:24:03,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899270601] [2021-06-10 12:24:03,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:24:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:24:03,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:03,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:24:03,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:03,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:24:03,811 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-10 12:24:03,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 12:24:03,823 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:24:03,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:24:03,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:03,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:24:03,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:03,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:24:03,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:03,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:24:03,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:24:03,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899270601] [2021-06-10 12:24:03,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:24:03,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-10 12:24:03,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172591500] [2021-06-10 12:24:03,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-10 12:24:03,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:24:03,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-10 12:24:03,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-10 12:24:03,896 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 75 [2021-06-10 12:24:03,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 60 transitions, 129 flow. Second operand has 7 states, 7 states have (on average 57.42857142857143) internal successors, (402), 7 states have internal predecessors, (402), 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) [2021-06-10 12:24:03,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:24:03,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 75 [2021-06-10 12:24:03,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:24:04,165 INFO L129 PetriNetUnfolder]: 183/452 cut-off events. [2021-06-10 12:24:04,165 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 12:24:04,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 790 conditions, 452 events. 183/452 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2128 event pairs, 9 based on Foata normal form. 30/461 useless extension candidates. Maximal degree in co-relation 758. Up to 64 conditions per place. [2021-06-10 12:24:04,169 INFO L132 encePairwiseOnDemand]: 64/75 looper letters, 19 selfloop transitions, 6 changer transitions 44/113 dead transitions. [2021-06-10 12:24:04,169 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 113 transitions, 373 flow [2021-06-10 12:24:04,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-10 12:24:04,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-10 12:24:04,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 803 transitions. [2021-06-10 12:24:04,179 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8235897435897436 [2021-06-10 12:24:04,180 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 803 transitions. [2021-06-10 12:24:04,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 803 transitions. [2021-06-10 12:24:04,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:24:04,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 803 transitions. [2021-06-10 12:24:04,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 61.76923076923077) internal successors, (803), 13 states have internal predecessors, (803), 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) [2021-06-10 12:24:04,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 75.0) internal successors, (1050), 14 states have internal predecessors, (1050), 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) [2021-06-10 12:24:04,194 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 75.0) internal successors, (1050), 14 states have internal predecessors, (1050), 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) [2021-06-10 12:24:04,195 INFO L185 Difference]: Start difference. First operand has 69 places, 60 transitions, 129 flow. Second operand 13 states and 803 transitions. [2021-06-10 12:24:04,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 113 transitions, 373 flow [2021-06-10 12:24:04,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 113 transitions, 370 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-10 12:24:04,202 INFO L241 Difference]: Finished difference. Result has 90 places, 62 transitions, 200 flow [2021-06-10 12:24:04,203 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=200, PETRI_PLACES=90, PETRI_TRANSITIONS=62} [2021-06-10 12:24:04,203 INFO L343 CegarLoopForPetriNet]: 69 programPoint places, 21 predicate places. [2021-06-10 12:24:04,203 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 62 transitions, 200 flow [2021-06-10 12:24:04,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 57.42857142857143) internal successors, (402), 7 states have internal predecessors, (402), 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) [2021-06-10 12:24:04,204 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:24:04,204 INFO L263 CegarLoopForPetriNet]: 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] [2021-06-10 12:24:04,204 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-10 12:24:04,204 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:24:04,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:24:04,205 INFO L82 PathProgramCache]: Analyzing trace with hash -562244999, now seen corresponding path program 1 times [2021-06-10 12:24:04,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:24:04,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181454424] [2021-06-10 12:24:04,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:24:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:24:04,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:24:04,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:24:04,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:24:04,319 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-10 12:24:04,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 12:24:04,335 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:24:04,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:24:04,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:24:04,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:24:04,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:24:04,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:24:04,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181454424] [2021-06-10 12:24:04,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:24:04,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-10 12:24:04,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095240605] [2021-06-10 12:24:04,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 12:24:04,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:24:04,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 12:24:04,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-10 12:24:04,384 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 75 [2021-06-10 12:24:04,384 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 62 transitions, 200 flow. Second operand has 8 states, 8 states have (on average 57.625) internal successors, (461), 8 states have internal predecessors, (461), 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) [2021-06-10 12:24:04,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:24:04,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 75 [2021-06-10 12:24:04,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:24:04,579 INFO L129 PetriNetUnfolder]: 36/229 cut-off events. [2021-06-10 12:24:04,579 INFO L130 PetriNetUnfolder]: For 370/577 co-relation queries the response was YES. [2021-06-10 12:24:04,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 601 conditions, 229 events. 36/229 cut-off events. For 370/577 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1048 event pairs, 1 based on Foata normal form. 7/231 useless extension candidates. Maximal degree in co-relation 563. Up to 38 conditions per place. [2021-06-10 12:24:04,583 INFO L132 encePairwiseOnDemand]: 64/75 looper letters, 14 selfloop transitions, 9 changer transitions 33/100 dead transitions. [2021-06-10 12:24:04,583 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 100 transitions, 578 flow [2021-06-10 12:24:04,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-10 12:24:04,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-10 12:24:04,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 669 transitions. [2021-06-10 12:24:04,585 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8109090909090909 [2021-06-10 12:24:04,586 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 669 transitions. [2021-06-10 12:24:04,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 669 transitions. [2021-06-10 12:24:04,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:24:04,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 669 transitions. [2021-06-10 12:24:04,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 60.81818181818182) internal successors, (669), 11 states have internal predecessors, (669), 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) [2021-06-10 12:24:04,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 75.0) internal successors, (900), 12 states have internal predecessors, (900), 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) [2021-06-10 12:24:04,590 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 75.0) internal successors, (900), 12 states have internal predecessors, (900), 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) [2021-06-10 12:24:04,590 INFO L185 Difference]: Start difference. First operand has 90 places, 62 transitions, 200 flow. Second operand 11 states and 669 transitions. [2021-06-10 12:24:04,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 100 transitions, 578 flow [2021-06-10 12:24:04,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 100 transitions, 535 flow, removed 20 selfloop flow, removed 4 redundant places. [2021-06-10 12:24:04,599 INFO L241 Difference]: Finished difference. Result has 95 places, 62 transitions, 228 flow [2021-06-10 12:24:04,599 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=228, PETRI_PLACES=95, PETRI_TRANSITIONS=62} [2021-06-10 12:24:04,599 INFO L343 CegarLoopForPetriNet]: 69 programPoint places, 26 predicate places. [2021-06-10 12:24:04,599 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 62 transitions, 228 flow [2021-06-10 12:24:04,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 57.625) internal successors, (461), 8 states have internal predecessors, (461), 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) [2021-06-10 12:24:04,600 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:24:04,600 INFO L263 CegarLoopForPetriNet]: 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] [2021-06-10 12:24:04,600 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-10 12:24:04,600 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:24:04,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:24:04,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1143080202, now seen corresponding path program 1 times [2021-06-10 12:24:04,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:24:04,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505147458] [2021-06-10 12:24:04,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:24:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:24:04,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:24:04,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:24:04,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:24:04,680 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-10 12:24:04,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 12:24:04,712 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:24:04,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:24:04,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:24:04,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:24:04,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:24:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:24:04,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505147458] [2021-06-10 12:24:04,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:24:04,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-10 12:24:04,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964260798] [2021-06-10 12:24:04,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 12:24:04,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:24:04,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 12:24:04,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-10 12:24:04,749 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 75 [2021-06-10 12:24:04,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 62 transitions, 228 flow. Second operand has 8 states, 8 states have (on average 57.75) internal successors, (462), 8 states have internal predecessors, (462), 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) [2021-06-10 12:24:04,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:24:04,753 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 75 [2021-06-10 12:24:04,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:24:04,838 INFO L129 PetriNetUnfolder]: 11/175 cut-off events. [2021-06-10 12:24:04,842 INFO L130 PetriNetUnfolder]: For 296/462 co-relation queries the response was YES. [2021-06-10 12:24:04,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 466 conditions, 175 events. 11/175 cut-off events. For 296/462 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 735 event pairs, 1 based on Foata normal form. 7/178 useless extension candidates. Maximal degree in co-relation 421. Up to 19 conditions per place. [2021-06-10 12:24:04,844 INFO L132 encePairwiseOnDemand]: 63/75 looper letters, 13 selfloop transitions, 9 changer transitions 16/81 dead transitions. [2021-06-10 12:24:04,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 81 transitions, 442 flow [2021-06-10 12:24:04,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-10 12:24:04,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-10 12:24:04,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 484 transitions. [2021-06-10 12:24:04,846 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8066666666666666 [2021-06-10 12:24:04,846 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 484 transitions. [2021-06-10 12:24:04,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 484 transitions. [2021-06-10 12:24:04,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:24:04,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 484 transitions. [2021-06-10 12:24:04,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 60.5) internal successors, (484), 8 states have internal predecessors, (484), 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) [2021-06-10 12:24:04,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 75.0) internal successors, (675), 9 states have internal predecessors, (675), 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) [2021-06-10 12:24:04,848 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 75.0) internal successors, (675), 9 states have internal predecessors, (675), 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) [2021-06-10 12:24:04,849 INFO L185 Difference]: Start difference. First operand has 95 places, 62 transitions, 228 flow. Second operand 8 states and 484 transitions. [2021-06-10 12:24:04,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 81 transitions, 442 flow [2021-06-10 12:24:04,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 81 transitions, 334 flow, removed 32 selfloop flow, removed 14 redundant places. [2021-06-10 12:24:04,853 INFO L241 Difference]: Finished difference. Result has 88 places, 61 transitions, 219 flow [2021-06-10 12:24:04,853 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=219, PETRI_PLACES=88, PETRI_TRANSITIONS=61} [2021-06-10 12:24:04,853 INFO L343 CegarLoopForPetriNet]: 69 programPoint places, 19 predicate places. [2021-06-10 12:24:04,853 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 61 transitions, 219 flow [2021-06-10 12:24:04,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 57.75) internal successors, (462), 8 states have internal predecessors, (462), 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) [2021-06-10 12:24:04,853 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:24:04,853 INFO L263 CegarLoopForPetriNet]: 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] [2021-06-10 12:24:04,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-10 12:24:04,854 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:24:04,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:24:04,854 INFO L82 PathProgramCache]: Analyzing trace with hash 319000300, now seen corresponding path program 2 times [2021-06-10 12:24:04,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:24:04,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246128260] [2021-06-10 12:24:04,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:24:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:24:04,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:24:04,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:24:04,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:24:04,931 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-10 12:24:04,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 12:24:04,943 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:24:04,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:24:04,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:24:04,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:24:04,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:04,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:24:04,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:24:04,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246128260] [2021-06-10 12:24:04,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:24:04,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-10 12:24:04,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845150604] [2021-06-10 12:24:04,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 12:24:04,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:24:04,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 12:24:04,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-10 12:24:04,976 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 75 [2021-06-10 12:24:04,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 61 transitions, 219 flow. Second operand has 8 states, 8 states have (on average 57.75) internal successors, (462), 8 states have internal predecessors, (462), 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) [2021-06-10 12:24:04,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:24:04,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 75 [2021-06-10 12:24:04,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:24:05,109 INFO L129 PetriNetUnfolder]: 4/94 cut-off events. [2021-06-10 12:24:05,109 INFO L130 PetriNetUnfolder]: For 161/248 co-relation queries the response was YES. [2021-06-10 12:24:05,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 234 conditions, 94 events. 4/94 cut-off events. For 161/248 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 196 event pairs, 0 based on Foata normal form. 8/101 useless extension candidates. Maximal degree in co-relation 216. Up to 10 conditions per place. [2021-06-10 12:24:05,109 INFO L132 encePairwiseOnDemand]: 65/75 looper letters, 11 selfloop transitions, 4 changer transitions 17/75 dead transitions. [2021-06-10 12:24:05,110 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 75 transitions, 379 flow [2021-06-10 12:24:05,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-10 12:24:05,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-10 12:24:05,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 761 transitions. [2021-06-10 12:24:05,111 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7805128205128206 [2021-06-10 12:24:05,112 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 761 transitions. [2021-06-10 12:24:05,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 761 transitions. [2021-06-10 12:24:05,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:24:05,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 761 transitions. [2021-06-10 12:24:05,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 58.53846153846154) internal successors, (761), 13 states have internal predecessors, (761), 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) [2021-06-10 12:24:05,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 75.0) internal successors, (1050), 14 states have internal predecessors, (1050), 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) [2021-06-10 12:24:05,115 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 75.0) internal successors, (1050), 14 states have internal predecessors, (1050), 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) [2021-06-10 12:24:05,115 INFO L185 Difference]: Start difference. First operand has 88 places, 61 transitions, 219 flow. Second operand 13 states and 761 transitions. [2021-06-10 12:24:05,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 75 transitions, 379 flow [2021-06-10 12:24:05,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 75 transitions, 312 flow, removed 21 selfloop flow, removed 10 redundant places. [2021-06-10 12:24:05,117 INFO L241 Difference]: Finished difference. Result has 95 places, 58 transitions, 189 flow [2021-06-10 12:24:05,117 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=189, PETRI_PLACES=95, PETRI_TRANSITIONS=58} [2021-06-10 12:24:05,117 INFO L343 CegarLoopForPetriNet]: 69 programPoint places, 26 predicate places. [2021-06-10 12:24:05,117 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 58 transitions, 189 flow [2021-06-10 12:24:05,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 57.75) internal successors, (462), 8 states have internal predecessors, (462), 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) [2021-06-10 12:24:05,117 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:24:05,118 INFO L263 CegarLoopForPetriNet]: 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] [2021-06-10 12:24:05,118 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-10 12:24:05,118 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:24:05,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:24:05,118 INFO L82 PathProgramCache]: Analyzing trace with hash -2076122400, now seen corresponding path program 1 times [2021-06-10 12:24:05,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:24:05,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316499356] [2021-06-10 12:24:05,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:24:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:24:05,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:05,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:24:05,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:05,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:24:05,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:05,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:24:05,149 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-10 12:24:05,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 12:24:05,157 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:24:05,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:24:05,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:05,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:24:05,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:05,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:24:05,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:24:05,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:24:05,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:24:05,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316499356] [2021-06-10 12:24:05,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:24:05,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-10 12:24:05,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741179201] [2021-06-10 12:24:05,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 12:24:05,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:24:05,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 12:24:05,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-10 12:24:05,186 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 75 [2021-06-10 12:24:05,186 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 58 transitions, 189 flow. Second operand has 8 states, 8 states have (on average 56.0) internal successors, (448), 8 states have internal predecessors, (448), 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) [2021-06-10 12:24:05,186 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:24:05,186 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 75 [2021-06-10 12:24:05,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:24:05,299 INFO L129 PetriNetUnfolder]: 4/73 cut-off events. [2021-06-10 12:24:05,299 INFO L130 PetriNetUnfolder]: For 67/84 co-relation queries the response was YES. [2021-06-10 12:24:05,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 73 events. 4/73 cut-off events. For 67/84 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 81 event pairs, 0 based on Foata normal form. 3/76 useless extension candidates. Maximal degree in co-relation 142. Up to 7 conditions per place. [2021-06-10 12:24:05,299 INFO L132 encePairwiseOnDemand]: 68/75 looper letters, 0 selfloop transitions, 0 changer transitions 63/63 dead transitions. [2021-06-10 12:24:05,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 63 transitions, 257 flow [2021-06-10 12:24:05,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-10 12:24:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-10 12:24:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 565 transitions. [2021-06-10 12:24:05,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7533333333333333 [2021-06-10 12:24:05,301 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 565 transitions. [2021-06-10 12:24:05,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 565 transitions. [2021-06-10 12:24:05,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:24:05,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 565 transitions. [2021-06-10 12:24:05,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 56.5) internal successors, (565), 10 states have internal predecessors, (565), 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) [2021-06-10 12:24:05,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 75.0) internal successors, (825), 11 states have internal predecessors, (825), 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) [2021-06-10 12:24:05,305 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 75.0) internal successors, (825), 11 states have internal predecessors, (825), 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) [2021-06-10 12:24:05,305 INFO L185 Difference]: Start difference. First operand has 95 places, 58 transitions, 189 flow. Second operand 10 states and 565 transitions. [2021-06-10 12:24:05,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 63 transitions, 257 flow [2021-06-10 12:24:05,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 63 transitions, 213 flow, removed 14 selfloop flow, removed 12 redundant places. [2021-06-10 12:24:05,306 INFO L241 Difference]: Finished difference. Result has 81 places, 0 transitions, 0 flow [2021-06-10 12:24:05,307 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=81, PETRI_TRANSITIONS=0} [2021-06-10 12:24:05,307 INFO L343 CegarLoopForPetriNet]: 69 programPoint places, 12 predicate places. [2021-06-10 12:24:05,307 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 0 transitions, 0 flow [2021-06-10 12:24:05,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 56.0) internal successors, (448), 8 states have internal predecessors, (448), 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) [2021-06-10 12:24:05,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-10 12:24:05,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 12:24:05 BasicIcfg [2021-06-10 12:24:05,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 12:24:05,312 INFO L168 Benchmark]: Toolchain (without parser) took 2707.52 ms. Allocated memory is still 369.1 MB. Free memory was 332.2 MB in the beginning and 211.4 MB in the end (delta: 120.8 MB). Peak memory consumption was 120.2 MB. Max. memory is 16.0 GB. [2021-06-10 12:24:05,312 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 369.1 MB. Free memory is still 350.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 12:24:05,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.11 ms. Allocated memory is still 369.1 MB. Free memory was 331.9 MB in the beginning and 332.2 MB in the end (delta: -219.1 kB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. [2021-06-10 12:24:05,313 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.11 ms. Allocated memory is still 369.1 MB. Free memory was 332.2 MB in the beginning and 330.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 12:24:05,316 INFO L168 Benchmark]: Boogie Preprocessor took 28.47 ms. Allocated memory is still 369.1 MB. Free memory was 330.1 MB in the beginning and 329.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 12:24:05,316 INFO L168 Benchmark]: RCFGBuilder took 381.34 ms. Allocated memory is still 369.1 MB. Free memory was 329.0 MB in the beginning and 304.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-10 12:24:05,316 INFO L168 Benchmark]: TraceAbstraction took 1874.25 ms. Allocated memory is still 369.1 MB. Free memory was 303.8 MB in the beginning and 211.4 MB in the end (delta: 92.5 MB). Peak memory consumption was 93.5 MB. Max. memory is 16.0 GB. [2021-06-10 12:24:05,323 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 369.1 MB. Free memory is still 350.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 371.11 ms. Allocated memory is still 369.1 MB. Free memory was 331.9 MB in the beginning and 332.2 MB in the end (delta: -219.1 kB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 44.11 ms. Allocated memory is still 369.1 MB. Free memory was 332.2 MB in the beginning and 330.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.47 ms. Allocated memory is still 369.1 MB. Free memory was 330.1 MB in the beginning and 329.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 381.34 ms. Allocated memory is still 369.1 MB. Free memory was 329.0 MB in the beginning and 304.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1874.25 ms. Allocated memory is still 369.1 MB. Free memory was 303.8 MB in the beginning and 211.4 MB in the end (delta: 92.5 MB). Peak memory consumption was 93.5 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 CFG has 4 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 14.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 1780.5ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 901.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 60.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 96 SDtfs, 199 SDslu, 313 SDs, 0 SdLazy, 190 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 150.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 620.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=2, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 15.6ms SsaConstructionTime, 118.4ms SatisfiabilityAnalysisTime, 552.3ms InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 1220 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...