/usr/bin/java -Xmx8000000000 -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/safe034_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 07:36:36,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 07:36:36,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 07:36:36,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-13 07:36:36,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-13 07:36:36,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-13 07:36:36,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-13 07:36:36,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-13 07:36:36,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-13 07:36:36,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-13 07:36:36,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-13 07:36:36,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-13 07:36:36,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 07:36:36,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 07:36:36,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 07:36:36,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 07:36:36,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 07:36:36,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 07:36:36,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 07:36:36,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 07:36:36,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 07:36:36,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 07:36:36,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 07:36:36,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 07:36:36,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-13 07:36:36,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 07:36:36,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 07:36:36,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 07:36:36,472 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 [2021-06-13 07:36:36,495 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 07:36:36,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 07:36:36,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 07:36:36,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 07:36:36,496 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 07:36:36,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 07:36:36,496 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 07:36:36,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 07:36:36,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 07:36:36,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 07:36:36,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 07:36:36,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 07:36:36,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 07:36:36,497 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 07:36:36,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 07:36:36,497 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 07:36:36,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 07:36:36,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 07:36:36,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 07:36:36,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 07:36:36,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 07:36:36,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 07:36:36,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 07:36:36,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 07:36:36,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 07:36:36,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 07:36:36,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 07:36:36,498 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 07:36:36,499 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-13 07:36:36,499 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 07:36:36,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 07:36:36,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 07:36:36,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 07:36:36,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-13 07:36:36,754 INFO L275 PluginConnector]: CDTParser initialized [2021-06-13 07:36:36,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.opt.i [2021-06-13 07:36:36,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/318e43040/e94f7bec1c734991b5d79086e6c0dd31/FLAGf0a64bb6a [2021-06-13 07:36:37,309 INFO L306 CDTParser]: Found 1 translation units. [2021-06-13 07:36:37,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe034_tso.opt.i [2021-06-13 07:36:37,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/318e43040/e94f7bec1c734991b5d79086e6c0dd31/FLAGf0a64bb6a [2021-06-13 07:36:37,632 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/318e43040/e94f7bec1c734991b5d79086e6c0dd31 [2021-06-13 07:36:37,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 07:36:37,635 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-13 07:36:37,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-13 07:36:37,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-13 07:36:37,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-13 07:36:37,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 07:36:37" (1/1) ... [2021-06-13 07:36:37,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e008d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:36:37, skipping insertion in model container [2021-06-13 07:36:37,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 07:36:37" (1/1) ... [2021-06-13 07:36:37,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-13 07:36:37,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-13 07:36:37,763 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/safe034_tso.opt.i[949,962] [2021-06-13 07:36:37,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 07:36:37,905 INFO L203 MainTranslator]: Completed pre-run [2021-06-13 07:36:37,913 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/safe034_tso.opt.i[949,962] [2021-06-13 07:36:37,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 07:36:37,984 INFO L208 MainTranslator]: Completed translation [2021-06-13 07:36:37,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:36:37 WrapperNode [2021-06-13 07:36:37,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-13 07:36:37,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 07:36:37,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 07:36:37,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 07:36:37,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:36:37" (1/1) ... [2021-06-13 07:36:38,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:36:37" (1/1) ... [2021-06-13 07:36:38,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 07:36:38,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 07:36:38,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 07:36:38,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 07:36:38,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:36:37" (1/1) ... [2021-06-13 07:36:38,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:36:37" (1/1) ... [2021-06-13 07:36:38,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:36:37" (1/1) ... [2021-06-13 07:36:38,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:36:37" (1/1) ... [2021-06-13 07:36:38,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:36:37" (1/1) ... [2021-06-13 07:36:38,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:36:37" (1/1) ... [2021-06-13 07:36:38,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:36:37" (1/1) ... [2021-06-13 07:36:38,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 07:36:38,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 07:36:38,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 07:36:38,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 07:36:38,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:36:37" (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 [2021-06-13 07:36:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-13 07:36:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-13 07:36:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-13 07:36:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-13 07:36:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-13 07:36:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-13 07:36:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-13 07:36:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-13 07:36:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-13 07:36:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-13 07:36:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-13 07:36:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-13 07:36:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 07:36:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 07:36:38,271 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 07:36:38,570 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 07:36:38,571 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-13 07:36:38,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 07:36:38 BoogieIcfgContainer [2021-06-13 07:36:38,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 07:36:38,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 07:36:38,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 07:36:38,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 07:36:38,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 07:36:37" (1/3) ... [2021-06-13 07:36:38,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789a0950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 07:36:38, skipping insertion in model container [2021-06-13 07:36:38,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:36:37" (2/3) ... [2021-06-13 07:36:38,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789a0950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 07:36:38, skipping insertion in model container [2021-06-13 07:36:38,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 07:36:38" (3/3) ... [2021-06-13 07:36:38,578 INFO L111 eAbstractionObserver]: Analyzing ICFG safe034_tso.opt.i [2021-06-13 07:36:38,582 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 07:36:38,582 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 07:36:38,582 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 07:36:38,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,604 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,604 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,605 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,605 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,606 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,606 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,606 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,607 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,607 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,608 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,608 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,608 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,608 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,610 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,611 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,614 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,614 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,614 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,615 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,630 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,631 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,631 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,631 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:36:38,634 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-13 07:36:38,649 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-13 07:36:38,662 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 07:36:38,662 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 07:36:38,662 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 07:36:38,662 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 07:36:38,662 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 07:36:38,662 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 07:36:38,662 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 07:36:38,663 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 07:36:38,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 84 transitions, 183 flow [2021-06-13 07:36:38,693 INFO L129 PetriNetUnfolder]: 2/81 cut-off events. [2021-06-13 07:36:38,693 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:36:38,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 81 events. 2/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2021-06-13 07:36:38,696 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 84 transitions, 183 flow [2021-06-13 07:36:38,699 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 78 places, 69 transitions, 147 flow [2021-06-13 07:36:38,710 INFO L129 PetriNetUnfolder]: 1/68 cut-off events. [2021-06-13 07:36:38,711 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:36:38,711 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:36:38,711 INFO L255 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, 1] [2021-06-13 07:36:38,712 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:36:38,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:36:38,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1166335616, now seen corresponding path program 1 times [2021-06-13 07:36:38,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:36:38,721 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162999743] [2021-06-13 07:36:38,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:36:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:36:38,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:38,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:36:38,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:38,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:36:38,972 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:36:38,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:36:38,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:39,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:36:39,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:39,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:36:39,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:39,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:36:39,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:36:39,038 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:36:39,039 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162999743] [2021-06-13 07:36:39,039 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162999743] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:36:39,039 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:36:39,039 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-13 07:36:39,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642510284] [2021-06-13 07:36:39,045 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 07:36:39,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:36:39,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 07:36:39,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-13 07:36:39,057 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 84 [2021-06-13 07:36:39,060 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 69 transitions, 147 flow. Second operand has 6 states, 6 states have (on average 72.16666666666667) internal successors, (433), 6 states have internal predecessors, (433), 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) [2021-06-13 07:36:39,060 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:36:39,061 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 84 [2021-06-13 07:36:39,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:36:39,274 INFO L129 PetriNetUnfolder]: 24/157 cut-off events. [2021-06-13 07:36:39,274 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:36:39,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 157 events. 24/157 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 499 event pairs, 5 based on Foata normal form. 6/160 useless extension candidates. Maximal degree in co-relation 197. Up to 31 conditions per place. [2021-06-13 07:36:39,276 INFO L132 encePairwiseOnDemand]: 76/84 looper letters, 8 selfloop transitions, 3 changer transitions 19/89 dead transitions. [2021-06-13 07:36:39,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 89 transitions, 247 flow [2021-06-13 07:36:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 07:36:39,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-13 07:36:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 673 transitions. [2021-06-13 07:36:39,288 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8902116402116402 [2021-06-13 07:36:39,289 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 673 transitions. [2021-06-13 07:36:39,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 673 transitions. [2021-06-13 07:36:39,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:36:39,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 673 transitions. [2021-06-13 07:36:39,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.77777777777777) internal successors, (673), 9 states have internal predecessors, (673), 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) [2021-06-13 07:36:39,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 84.0) internal successors, (840), 10 states have internal predecessors, (840), 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) [2021-06-13 07:36:39,309 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 84.0) internal successors, (840), 10 states have internal predecessors, (840), 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) [2021-06-13 07:36:39,310 INFO L185 Difference]: Start difference. First operand has 78 places, 69 transitions, 147 flow. Second operand 9 states and 673 transitions. [2021-06-13 07:36:39,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 89 transitions, 247 flow [2021-06-13 07:36:39,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 89 transitions, 244 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-13 07:36:39,320 INFO L241 Difference]: Finished difference. Result has 90 places, 70 transitions, 185 flow [2021-06-13 07:36:39,322 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=185, PETRI_PLACES=90, PETRI_TRANSITIONS=70} [2021-06-13 07:36:39,322 INFO L335 CegarLoopForPetriNet]: 78 programPoint places, 12 predicate places. [2021-06-13 07:36:39,323 INFO L482 AbstractCegarLoop]: Abstraction has has 90 places, 70 transitions, 185 flow [2021-06-13 07:36:39,323 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 72.16666666666667) internal successors, (433), 6 states have internal predecessors, (433), 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) [2021-06-13 07:36:39,324 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:36:39,324 INFO L255 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, 1, 1, 1] [2021-06-13 07:36:39,324 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 07:36:39,325 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:36:39,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:36:39,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1990601663, now seen corresponding path program 1 times [2021-06-13 07:36:39,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:36:39,326 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087963834] [2021-06-13 07:36:39,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:36:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:36:39,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:39,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:36:39,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:39,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:36:39,449 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-13 07:36:39,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 07:36:39,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:39,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:36:39,479 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-13 07:36:39,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:36:39,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:39,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:36:39,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:36:39,494 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:36:39,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087963834] [2021-06-13 07:36:39,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087963834] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:36:39,494 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:36:39,494 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-13 07:36:39,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362903553] [2021-06-13 07:36:39,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 07:36:39,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:36:39,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 07:36:39,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-13 07:36:39,497 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 84 [2021-06-13 07:36:39,498 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 70 transitions, 185 flow. Second operand has 6 states, 6 states have (on average 71.16666666666667) internal successors, (427), 6 states have internal predecessors, (427), 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) [2021-06-13 07:36:39,498 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:36:39,498 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 84 [2021-06-13 07:36:39,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:36:39,728 INFO L129 PetriNetUnfolder]: 166/449 cut-off events. [2021-06-13 07:36:39,728 INFO L130 PetriNetUnfolder]: For 196/196 co-relation queries the response was YES. [2021-06-13 07:36:39,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 921 conditions, 449 events. 166/449 cut-off events. For 196/196 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2456 event pairs, 14 based on Foata normal form. 0/416 useless extension candidates. Maximal degree in co-relation 884. Up to 104 conditions per place. [2021-06-13 07:36:39,735 INFO L132 encePairwiseOnDemand]: 74/84 looper letters, 21 selfloop transitions, 15 changer transitions 5/100 dead transitions. [2021-06-13 07:36:39,735 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 100 transitions, 327 flow [2021-06-13 07:36:39,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 07:36:39,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-13 07:36:39,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 743 transitions. [2021-06-13 07:36:39,738 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8845238095238095 [2021-06-13 07:36:39,738 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 743 transitions. [2021-06-13 07:36:39,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 743 transitions. [2021-06-13 07:36:39,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:36:39,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 743 transitions. [2021-06-13 07:36:39,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 74.3) internal successors, (743), 10 states have internal predecessors, (743), 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) [2021-06-13 07:36:39,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 84.0) internal successors, (924), 11 states have internal predecessors, (924), 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) [2021-06-13 07:36:39,743 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 84.0) internal successors, (924), 11 states have internal predecessors, (924), 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) [2021-06-13 07:36:39,743 INFO L185 Difference]: Start difference. First operand has 90 places, 70 transitions, 185 flow. Second operand 10 states and 743 transitions. [2021-06-13 07:36:39,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 100 transitions, 327 flow [2021-06-13 07:36:39,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 100 transitions, 318 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-06-13 07:36:39,749 INFO L241 Difference]: Finished difference. Result has 95 places, 83 transitions, 285 flow [2021-06-13 07:36:39,749 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=285, PETRI_PLACES=95, PETRI_TRANSITIONS=83} [2021-06-13 07:36:39,750 INFO L335 CegarLoopForPetriNet]: 78 programPoint places, 17 predicate places. [2021-06-13 07:36:39,750 INFO L482 AbstractCegarLoop]: Abstraction has has 95 places, 83 transitions, 285 flow [2021-06-13 07:36:39,750 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 71.16666666666667) internal successors, (427), 6 states have internal predecessors, (427), 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) [2021-06-13 07:36:39,750 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:36:39,750 INFO L255 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, 1, 1, 1, 1, 1] [2021-06-13 07:36:39,751 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 07:36:39,751 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:36:39,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:36:39,751 INFO L82 PathProgramCache]: Analyzing trace with hash -945742082, now seen corresponding path program 1 times [2021-06-13 07:36:39,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:36:39,752 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632932716] [2021-06-13 07:36:39,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:36:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:36:39,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:39,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:36:39,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:39,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:36:39,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:39,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:36:39,866 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-13 07:36:39,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 07:36:39,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:39,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:36:39,917 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-13 07:36:39,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:36:39,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:39,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:36:39,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:36:39,927 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:36:39,927 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632932716] [2021-06-13 07:36:39,927 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632932716] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:36:39,927 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:36:39,928 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 07:36:39,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859459759] [2021-06-13 07:36:39,929 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 07:36:39,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:36:39,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 07:36:39,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-13 07:36:39,931 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 84 [2021-06-13 07:36:39,931 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 83 transitions, 285 flow. Second operand has 7 states, 7 states have (on average 71.14285714285714) internal successors, (498), 7 states have internal predecessors, (498), 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) [2021-06-13 07:36:39,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:36:39,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 84 [2021-06-13 07:36:39,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:36:40,118 INFO L129 PetriNetUnfolder]: 146/418 cut-off events. [2021-06-13 07:36:40,118 INFO L130 PetriNetUnfolder]: For 892/947 co-relation queries the response was YES. [2021-06-13 07:36:40,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1365 conditions, 418 events. 146/418 cut-off events. For 892/947 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2267 event pairs, 4 based on Foata normal form. 24/424 useless extension candidates. Maximal degree in co-relation 1323. Up to 152 conditions per place. [2021-06-13 07:36:40,126 INFO L132 encePairwiseOnDemand]: 74/84 looper letters, 20 selfloop transitions, 28 changer transitions 11/118 dead transitions. [2021-06-13 07:36:40,126 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 118 transitions, 627 flow [2021-06-13 07:36:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 07:36:40,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-13 07:36:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 965 transitions. [2021-06-13 07:36:40,128 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8836996336996337 [2021-06-13 07:36:40,129 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 965 transitions. [2021-06-13 07:36:40,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 965 transitions. [2021-06-13 07:36:40,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:36:40,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 965 transitions. [2021-06-13 07:36:40,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 74.23076923076923) internal successors, (965), 13 states have internal predecessors, (965), 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) [2021-06-13 07:36:40,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 84.0) internal successors, (1176), 14 states have internal predecessors, (1176), 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) [2021-06-13 07:36:40,133 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 84.0) internal successors, (1176), 14 states have internal predecessors, (1176), 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) [2021-06-13 07:36:40,133 INFO L185 Difference]: Start difference. First operand has 95 places, 83 transitions, 285 flow. Second operand 13 states and 965 transitions. [2021-06-13 07:36:40,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 118 transitions, 627 flow [2021-06-13 07:36:40,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 118 transitions, 625 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-13 07:36:40,140 INFO L241 Difference]: Finished difference. Result has 112 places, 100 transitions, 509 flow [2021-06-13 07:36:40,140 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=283, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=509, PETRI_PLACES=112, PETRI_TRANSITIONS=100} [2021-06-13 07:36:40,140 INFO L335 CegarLoopForPetriNet]: 78 programPoint places, 34 predicate places. [2021-06-13 07:36:40,140 INFO L482 AbstractCegarLoop]: Abstraction has has 112 places, 100 transitions, 509 flow [2021-06-13 07:36:40,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 71.14285714285714) internal successors, (498), 7 states have internal predecessors, (498), 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) [2021-06-13 07:36:40,141 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:36:40,141 INFO L255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:36:40,141 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-13 07:36:40,141 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:36:40,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:36:40,141 INFO L82 PathProgramCache]: Analyzing trace with hash -839925568, now seen corresponding path program 1 times [2021-06-13 07:36:40,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:36:40,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405758717] [2021-06-13 07:36:40,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:36:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:36:40,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:40,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:36:40,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:40,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:36:40,181 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-13 07:36:40,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 07:36:40,188 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:36:40,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:36:40,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:40,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:36:40,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:40,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:36:40,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:40,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:36:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:36:40,219 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:36:40,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405758717] [2021-06-13 07:36:40,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405758717] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:36:40,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:36:40,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 07:36:40,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825625012] [2021-06-13 07:36:40,219 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 07:36:40,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:36:40,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 07:36:40,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-13 07:36:40,221 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 84 [2021-06-13 07:36:40,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 100 transitions, 509 flow. Second operand has 7 states, 7 states have (on average 67.0) internal successors, (469), 7 states have internal predecessors, (469), 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) [2021-06-13 07:36:40,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:36:40,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 84 [2021-06-13 07:36:40,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:36:40,513 INFO L129 PetriNetUnfolder]: 243/1090 cut-off events. [2021-06-13 07:36:40,514 INFO L130 PetriNetUnfolder]: For 2718/2856 co-relation queries the response was YES. [2021-06-13 07:36:40,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3565 conditions, 1090 events. 243/1090 cut-off events. For 2718/2856 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 9681 event pairs, 0 based on Foata normal form. 15/1051 useless extension candidates. Maximal degree in co-relation 3512. Up to 244 conditions per place. [2021-06-13 07:36:40,523 INFO L132 encePairwiseOnDemand]: 74/84 looper letters, 26 selfloop transitions, 13 changer transitions 29/151 dead transitions. [2021-06-13 07:36:40,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 151 transitions, 865 flow [2021-06-13 07:36:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 07:36:40,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-13 07:36:40,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 976 transitions. [2021-06-13 07:36:40,526 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8299319727891157 [2021-06-13 07:36:40,526 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 976 transitions. [2021-06-13 07:36:40,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 976 transitions. [2021-06-13 07:36:40,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:36:40,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 976 transitions. [2021-06-13 07:36:40,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 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) [2021-06-13 07:36:40,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 84.0) internal successors, (1260), 15 states have internal predecessors, (1260), 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) [2021-06-13 07:36:40,530 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 84.0) internal successors, (1260), 15 states have internal predecessors, (1260), 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) [2021-06-13 07:36:40,530 INFO L185 Difference]: Start difference. First operand has 112 places, 100 transitions, 509 flow. Second operand 14 states and 976 transitions. [2021-06-13 07:36:40,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 151 transitions, 865 flow [2021-06-13 07:36:40,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 151 transitions, 805 flow, removed 23 selfloop flow, removed 4 redundant places. [2021-06-13 07:36:40,552 INFO L241 Difference]: Finished difference. Result has 133 places, 111 transitions, 603 flow [2021-06-13 07:36:40,552 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=603, PETRI_PLACES=133, PETRI_TRANSITIONS=111} [2021-06-13 07:36:40,552 INFO L335 CegarLoopForPetriNet]: 78 programPoint places, 55 predicate places. [2021-06-13 07:36:40,553 INFO L482 AbstractCegarLoop]: Abstraction has has 133 places, 111 transitions, 603 flow [2021-06-13 07:36:40,553 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 67.0) internal successors, (469), 7 states have internal predecessors, (469), 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) [2021-06-13 07:36:40,553 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:36:40,553 INFO L255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:36:40,553 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 07:36:40,553 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:36:40,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:36:40,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1458832918, now seen corresponding path program 2 times [2021-06-13 07:36:40,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:36:40,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700635795] [2021-06-13 07:36:40,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:36:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:36:40,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:40,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:36:40,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:40,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:36:40,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:40,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:36:40,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:40,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:36:40,595 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-13 07:36:40,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 07:36:40,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:40,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 07:36:40,622 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-13 07:36:40,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:36:40,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:40,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:36:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:36:40,631 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:36:40,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700635795] [2021-06-13 07:36:40,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700635795] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:36:40,631 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:36:40,631 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-13 07:36:40,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085716652] [2021-06-13 07:36:40,631 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 07:36:40,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:36:40,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 07:36:40,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-13 07:36:40,633 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 84 [2021-06-13 07:36:40,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 111 transitions, 603 flow. Second operand has 8 states, 8 states have (on average 71.125) internal successors, (569), 8 states have internal predecessors, (569), 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) [2021-06-13 07:36:40,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:36:40,633 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 84 [2021-06-13 07:36:40,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:36:40,947 INFO L129 PetriNetUnfolder]: 296/1007 cut-off events. [2021-06-13 07:36:40,947 INFO L130 PetriNetUnfolder]: For 2479/2825 co-relation queries the response was YES. [2021-06-13 07:36:40,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3658 conditions, 1007 events. 296/1007 cut-off events. For 2479/2825 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 8635 event pairs, 2 based on Foata normal form. 110/1049 useless extension candidates. Maximal degree in co-relation 3621. Up to 150 conditions per place. [2021-06-13 07:36:40,955 INFO L132 encePairwiseOnDemand]: 74/84 looper letters, 16 selfloop transitions, 32 changer transitions 19/137 dead transitions. [2021-06-13 07:36:40,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 137 transitions, 911 flow [2021-06-13 07:36:40,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 07:36:40,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-13 07:36:40,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1172 transitions. [2021-06-13 07:36:40,957 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8720238095238095 [2021-06-13 07:36:40,957 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1172 transitions. [2021-06-13 07:36:40,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1172 transitions. [2021-06-13 07:36:40,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:36:40,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1172 transitions. [2021-06-13 07:36:40,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 73.25) internal successors, (1172), 16 states have internal predecessors, (1172), 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) [2021-06-13 07:36:40,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 84.0) internal successors, (1428), 17 states have internal predecessors, (1428), 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) [2021-06-13 07:36:40,961 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 84.0) internal successors, (1428), 17 states have internal predecessors, (1428), 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) [2021-06-13 07:36:40,962 INFO L185 Difference]: Start difference. First operand has 133 places, 111 transitions, 603 flow. Second operand 16 states and 1172 transitions. [2021-06-13 07:36:40,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 137 transitions, 911 flow [2021-06-13 07:36:40,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 137 transitions, 833 flow, removed 39 selfloop flow, removed 12 redundant places. [2021-06-13 07:36:40,977 INFO L241 Difference]: Finished difference. Result has 134 places, 112 transitions, 631 flow [2021-06-13 07:36:40,977 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=631, PETRI_PLACES=134, PETRI_TRANSITIONS=112} [2021-06-13 07:36:40,977 INFO L335 CegarLoopForPetriNet]: 78 programPoint places, 56 predicate places. [2021-06-13 07:36:40,978 INFO L482 AbstractCegarLoop]: Abstraction has has 134 places, 112 transitions, 631 flow [2021-06-13 07:36:40,978 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 71.125) internal successors, (569), 8 states have internal predecessors, (569), 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) [2021-06-13 07:36:40,978 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:36:40,978 INFO L255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:36:40,978 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-13 07:36:40,978 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:36:40,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:36:40,978 INFO L82 PathProgramCache]: Analyzing trace with hash 368081888, now seen corresponding path program 1 times [2021-06-13 07:36:40,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:36:40,979 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116319861] [2021-06-13 07:36:40,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:36:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:36:41,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:41,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:36:41,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:41,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:36:41,011 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-13 07:36:41,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 07:36:41,017 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:36:41,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:36:41,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:41,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:36:41,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:41,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:36:41,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:41,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:36:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:36:41,043 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:36:41,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116319861] [2021-06-13 07:36:41,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116319861] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:36:41,044 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:36:41,044 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 07:36:41,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515411896] [2021-06-13 07:36:41,044 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 07:36:41,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:36:41,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 07:36:41,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-13 07:36:41,045 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 84 [2021-06-13 07:36:41,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 112 transitions, 631 flow. Second operand has 7 states, 7 states have (on average 68.85714285714286) internal successors, (482), 7 states have internal predecessors, (482), 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) [2021-06-13 07:36:41,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:36:41,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 84 [2021-06-13 07:36:41,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:36:41,184 INFO L129 PetriNetUnfolder]: 219/1077 cut-off events. [2021-06-13 07:36:41,184 INFO L130 PetriNetUnfolder]: For 3203/3463 co-relation queries the response was YES. [2021-06-13 07:36:41,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3682 conditions, 1077 events. 219/1077 cut-off events. For 3203/3463 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 10558 event pairs, 0 based on Foata normal form. 7/1023 useless extension candidates. Maximal degree in co-relation 3620. Up to 165 conditions per place. [2021-06-13 07:36:41,191 INFO L132 encePairwiseOnDemand]: 76/84 looper letters, 13 selfloop transitions, 5 changer transitions 20/121 dead transitions. [2021-06-13 07:36:41,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 121 transitions, 737 flow [2021-06-13 07:36:41,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 07:36:41,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-13 07:36:41,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 493 transitions. [2021-06-13 07:36:41,193 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8384353741496599 [2021-06-13 07:36:41,193 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 493 transitions. [2021-06-13 07:36:41,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 493 transitions. [2021-06-13 07:36:41,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:36:41,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 493 transitions. [2021-06-13 07:36:41,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 70.42857142857143) internal successors, (493), 7 states have internal predecessors, (493), 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) [2021-06-13 07:36:41,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 84.0) internal successors, (672), 8 states have internal predecessors, (672), 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) [2021-06-13 07:36:41,195 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 84.0) internal successors, (672), 8 states have internal predecessors, (672), 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) [2021-06-13 07:36:41,195 INFO L185 Difference]: Start difference. First operand has 134 places, 112 transitions, 631 flow. Second operand 7 states and 493 transitions. [2021-06-13 07:36:41,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 121 transitions, 737 flow [2021-06-13 07:36:41,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 121 transitions, 640 flow, removed 15 selfloop flow, removed 15 redundant places. [2021-06-13 07:36:41,227 INFO L241 Difference]: Finished difference. Result has 127 places, 100 transitions, 481 flow [2021-06-13 07:36:41,227 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=481, PETRI_PLACES=127, PETRI_TRANSITIONS=100} [2021-06-13 07:36:41,227 INFO L335 CegarLoopForPetriNet]: 78 programPoint places, 49 predicate places. [2021-06-13 07:36:41,227 INFO L482 AbstractCegarLoop]: Abstraction has has 127 places, 100 transitions, 481 flow [2021-06-13 07:36:41,228 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 68.85714285714286) internal successors, (482), 7 states have internal predecessors, (482), 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) [2021-06-13 07:36:41,228 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:36:41,228 INFO L255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:36:41,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-13 07:36:41,228 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:36:41,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:36:41,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1646282550, now seen corresponding path program 2 times [2021-06-13 07:36:41,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:36:41,229 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809363221] [2021-06-13 07:36:41,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:36:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:36:41,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:41,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:36:41,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:41,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:36:41,282 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-13 07:36:41,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 07:36:41,290 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:36:41,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:36:41,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:41,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:36:41,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:41,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:36:41,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:36:41,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:36:41,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:36:41,321 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:36:41,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809363221] [2021-06-13 07:36:41,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809363221] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:36:41,346 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:36:41,346 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 07:36:41,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468775635] [2021-06-13 07:36:41,346 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 07:36:41,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:36:41,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 07:36:41,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-13 07:36:41,347 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 84 [2021-06-13 07:36:41,348 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 100 transitions, 481 flow. Second operand has 7 states, 7 states have (on average 67.14285714285714) internal successors, (470), 7 states have internal predecessors, (470), 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) [2021-06-13 07:36:41,348 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:36:41,348 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 84 [2021-06-13 07:36:41,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:36:41,448 INFO L129 PetriNetUnfolder]: 65/444 cut-off events. [2021-06-13 07:36:41,449 INFO L130 PetriNetUnfolder]: For 649/661 co-relation queries the response was YES. [2021-06-13 07:36:41,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1242 conditions, 444 events. 65/444 cut-off events. For 649/661 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3277 event pairs, 0 based on Foata normal form. 3/430 useless extension candidates. Maximal degree in co-relation 1218. Up to 60 conditions per place. [2021-06-13 07:36:41,451 INFO L132 encePairwiseOnDemand]: 75/84 looper letters, 0 selfloop transitions, 0 changer transitions 100/100 dead transitions. [2021-06-13 07:36:41,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 100 transitions, 529 flow [2021-06-13 07:36:41,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 07:36:41,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-13 07:36:41,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 537 transitions. [2021-06-13 07:36:41,453 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7991071428571429 [2021-06-13 07:36:41,453 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 537 transitions. [2021-06-13 07:36:41,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 537 transitions. [2021-06-13 07:36:41,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:36:41,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 537 transitions. [2021-06-13 07:36:41,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 67.125) internal successors, (537), 8 states have internal predecessors, (537), 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) [2021-06-13 07:36:41,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 84.0) internal successors, (756), 9 states have internal predecessors, (756), 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) [2021-06-13 07:36:41,455 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 84.0) internal successors, (756), 9 states have internal predecessors, (756), 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) [2021-06-13 07:36:41,455 INFO L185 Difference]: Start difference. First operand has 127 places, 100 transitions, 481 flow. Second operand 8 states and 537 transitions. [2021-06-13 07:36:41,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 100 transitions, 529 flow [2021-06-13 07:36:41,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 100 transitions, 496 flow, removed 8 selfloop flow, removed 8 redundant places. [2021-06-13 07:36:41,461 INFO L241 Difference]: Finished difference. Result has 121 places, 0 transitions, 0 flow [2021-06-13 07:36:41,461 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=121, PETRI_TRANSITIONS=0} [2021-06-13 07:36:41,461 INFO L335 CegarLoopForPetriNet]: 78 programPoint places, 43 predicate places. [2021-06-13 07:36:41,461 INFO L482 AbstractCegarLoop]: Abstraction has has 121 places, 0 transitions, 0 flow [2021-06-13 07:36:41,461 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 67.14285714285714) internal successors, (470), 7 states have internal predecessors, (470), 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) [2021-06-13 07:36:41,461 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-13 07:36:41,463 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 07:36:41,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 07:36:41 BasicIcfg [2021-06-13 07:36:41,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 07:36:41,466 INFO L168 Benchmark]: Toolchain (without parser) took 3830.47 ms. Allocated memory was 224.4 MB in the beginning and 277.9 MB in the end (delta: 53.5 MB). Free memory was 188.6 MB in the beginning and 217.4 MB in the end (delta: -28.8 MB). Peak memory consumption was 25.5 MB. Max. memory is 8.0 GB. [2021-06-13 07:36:41,467 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 224.4 MB. Free memory is still 206.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 07:36:41,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.45 ms. Allocated memory is still 224.4 MB. Free memory was 188.5 MB in the beginning and 186.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-06-13 07:36:41,468 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.36 ms. Allocated memory is still 224.4 MB. Free memory was 186.8 MB in the beginning and 185.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-13 07:36:41,470 INFO L168 Benchmark]: Boogie Preprocessor took 28.11 ms. Allocated memory is still 224.4 MB. Free memory was 184.7 MB in the beginning and 183.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 07:36:41,472 INFO L168 Benchmark]: RCFGBuilder took 508.80 ms. Allocated memory is still 224.4 MB. Free memory was 183.7 MB in the beginning and 159.9 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-06-13 07:36:41,473 INFO L168 Benchmark]: TraceAbstraction took 2891.39 ms. Allocated memory was 224.4 MB in the beginning and 277.9 MB in the end (delta: 53.5 MB). Free memory was 159.5 MB in the beginning and 217.4 MB in the end (delta: -57.9 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 07:36:41,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 224.4 MB. Free memory is still 206.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 343.45 ms. Allocated memory is still 224.4 MB. Free memory was 188.5 MB in the beginning and 186.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 49.36 ms. Allocated memory is still 224.4 MB. Free memory was 186.8 MB in the beginning and 185.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.11 ms. Allocated memory is still 224.4 MB. Free memory was 184.7 MB in the beginning and 183.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 508.80 ms. Allocated memory is still 224.4 MB. Free memory was 183.7 MB in the beginning and 159.9 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2891.39 ms. Allocated memory was 224.4 MB in the beginning and 277.9 MB in the end (delta: 53.5 MB). Free memory was 159.5 MB in the beginning and 217.4 MB in the end (delta: -57.9 MB). There was no memory consumed. Max. memory is 8.0 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 11.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 2802.5ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1711.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 36.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 84 SDtfs, 202 SDslu, 271 SDs, 0 SdLazy, 305 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 224.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 867.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=631occurred in iteration=5, InterpolantAutomatonStates: 77, 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: 25.4ms SsaConstructionTime, 164.7ms SatisfiabilityAnalysisTime, 679.2ms InterpolantComputationTime, 389 NumberOfCodeBlocks, 389 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 382 ConstructedInterpolants, 0 QuantifiedInterpolants, 1356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...