/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/safe033_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 21:15:19,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 21:15:19,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 21:15:19,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-12 21:15:19,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-12 21:15:19,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-12 21:15:19,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-12 21:15:19,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-12 21:15:19,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-12 21:15:19,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-12 21:15:19,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-12 21:15:19,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-12 21:15:19,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 21:15:19,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 21:15:19,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 21:15:19,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 21:15:19,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 21:15:19,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 21:15:19,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 21:15:19,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 21:15:19,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 21:15:19,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 21:15:19,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 21:15:19,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 21:15:19,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-12 21:15:19,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 21:15:19,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 21:15:19,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 21:15:19,670 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 [2021-08-12 21:15:19,685 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 21:15:19,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 21:15:19,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 21:15:19,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 21:15:19,687 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 21:15:19,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 21:15:19,687 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 21:15:19,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 21:15:19,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 21:15:19,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 21:15:19,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 21:15:19,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 21:15:19,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 21:15:19,688 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 21:15:19,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 21:15:19,688 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 21:15:19,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 21:15:19,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 21:15:19,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 21:15:19,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 21:15:19,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 21:15:19,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 21:15:19,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 21:15:19,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 21:15:19,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 21:15:19,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 21:15:19,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 21:15:19,689 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 21:15:19,690 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 21:15:19,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 21:15:19,690 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 21:15:19,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 21:15:19,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 21:15:19,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 21:15:19,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-12 21:15:19,901 INFO L275 PluginConnector]: CDTParser initialized [2021-08-12 21:15:19,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.opt.i [2021-08-12 21:15:19,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40431380a/e43ed7d7c97f4f289951043dca018061/FLAG4e21ea4df [2021-08-12 21:15:20,550 INFO L306 CDTParser]: Found 1 translation units. [2021-08-12 21:15:20,551 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe033_tso.opt.i [2021-08-12 21:15:20,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40431380a/e43ed7d7c97f4f289951043dca018061/FLAG4e21ea4df [2021-08-12 21:15:20,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40431380a/e43ed7d7c97f4f289951043dca018061 [2021-08-12 21:15:20,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 21:15:20,972 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-12 21:15:20,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-12 21:15:20,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-12 21:15:20,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-12 21:15:20,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 09:15:20" (1/1) ... [2021-08-12 21:15:20,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c822aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:15:20, skipping insertion in model container [2021-08-12 21:15:20,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 09:15:20" (1/1) ... [2021-08-12 21:15:20,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-12 21:15:21,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-12 21:15:21,106 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/safe033_tso.opt.i[949,962] [2021-08-12 21:15:21,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 21:15:21,273 INFO L203 MainTranslator]: Completed pre-run [2021-08-12 21:15:21,281 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/safe033_tso.opt.i[949,962] [2021-08-12 21:15:21,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 21:15:21,354 INFO L208 MainTranslator]: Completed translation [2021-08-12 21:15:21,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:15:21 WrapperNode [2021-08-12 21:15:21,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-12 21:15:21,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 21:15:21,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 21:15:21,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 21:15:21,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:15:21" (1/1) ... [2021-08-12 21:15:21,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:15:21" (1/1) ... [2021-08-12 21:15:21,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 21:15:21,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 21:15:21,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 21:15:21,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 21:15:21,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:15:21" (1/1) ... [2021-08-12 21:15:21,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:15:21" (1/1) ... [2021-08-12 21:15:21,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:15:21" (1/1) ... [2021-08-12 21:15:21,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:15:21" (1/1) ... [2021-08-12 21:15:21,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:15:21" (1/1) ... [2021-08-12 21:15:21,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:15:21" (1/1) ... [2021-08-12 21:15:21,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:15:21" (1/1) ... [2021-08-12 21:15:21,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 21:15:21,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 21:15:21,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 21:15:21,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 21:15:21,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:15:21" (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 [2021-08-12 21:15:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-12 21:15:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-12 21:15:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-12 21:15:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-12 21:15:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-12 21:15:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-12 21:15:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-12 21:15:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-12 21:15:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-12 21:15:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-12 21:15:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 21:15:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 21:15:21,495 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 21:15:21,824 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 21:15:21,825 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-12 21:15:21,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:15:21 BoogieIcfgContainer [2021-08-12 21:15:21,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 21:15:21,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 21:15:21,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 21:15:21,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 21:15:21,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.08 09:15:20" (1/3) ... [2021-08-12 21:15:21,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305a2ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:15:21, skipping insertion in model container [2021-08-12 21:15:21,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:15:21" (2/3) ... [2021-08-12 21:15:21,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305a2ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:15:21, skipping insertion in model container [2021-08-12 21:15:21,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:15:21" (3/3) ... [2021-08-12 21:15:21,831 INFO L111 eAbstractionObserver]: Analyzing ICFG safe033_tso.opt.i [2021-08-12 21:15:21,835 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 21:15:21,836 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-12 21:15:21,836 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 21:15:21,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,860 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,860 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,861 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,861 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,862 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,863 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,864 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,864 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,867 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,867 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,871 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,871 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:15:21,874 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-12 21:15:21,891 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-12 21:15:21,915 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 21:15:21,916 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 21:15:21,916 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 21:15:21,916 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 21:15:21,916 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 21:15:21,916 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 21:15:21,916 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 21:15:21,916 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 21:15:21,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 66 transitions, 142 flow [2021-08-12 21:15:21,958 INFO L129 PetriNetUnfolder]: 2/64 cut-off events. [2021-08-12 21:15:21,959 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:15:21,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 64 events. 2/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 31 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2021-08-12 21:15:21,969 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 66 transitions, 142 flow [2021-08-12 21:15:21,974 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 54 transitions, 114 flow [2021-08-12 21:15:21,993 INFO L129 PetriNetUnfolder]: 1/53 cut-off events. [2021-08-12 21:15:21,994 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:15:21,994 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:15:21,994 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:15:21,995 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 21:15:22,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:15:22,001 INFO L82 PathProgramCache]: Analyzing trace with hash 311474389, now seen corresponding path program 1 times [2021-08-12 21:15:22,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:15:22,006 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114349411] [2021-08-12 21:15:22,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:15:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:15:22,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:22,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:15:22,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:22,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:15:22,258 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-12 21:15:22,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 21:15:22,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:22,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:15:22,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:22,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:15:22,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:22,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:15:22,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:15:22,308 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:15:22,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114349411] [2021-08-12 21:15:22,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114349411] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:15:22,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:15:22,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 21:15:22,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842335758] [2021-08-12 21:15:22,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 21:15:22,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:15:22,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 21:15:22,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 21:15:22,330 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 66 [2021-08-12 21:15:22,334 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 54 transitions, 114 flow. Second operand has 6 states, 6 states have (on average 54.166666666666664) internal successors, (325), 6 states have internal predecessors, (325), 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) [2021-08-12 21:15:22,334 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:15:22,335 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 66 [2021-08-12 21:15:22,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:15:22,484 INFO L129 PetriNetUnfolder]: 24/131 cut-off events. [2021-08-12 21:15:22,484 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:15:22,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 131 events. 24/131 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 429 event pairs, 5 based on Foata normal form. 6/134 useless extension candidates. Maximal degree in co-relation 171. Up to 31 conditions per place. [2021-08-12 21:15:22,487 INFO L132 encePairwiseOnDemand]: 58/66 looper letters, 8 selfloop transitions, 3 changer transitions 19/74 dead transitions. [2021-08-12 21:15:22,487 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 74 transitions, 214 flow [2021-08-12 21:15:22,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 21:15:22,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-12 21:15:22,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 511 transitions. [2021-08-12 21:15:22,502 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8602693602693603 [2021-08-12 21:15:22,502 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 511 transitions. [2021-08-12 21:15:22,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 511 transitions. [2021-08-12 21:15:22,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:15:22,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 511 transitions. [2021-08-12 21:15:22,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 56.77777777777778) internal successors, (511), 9 states have internal predecessors, (511), 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) [2021-08-12 21:15:22,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 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) [2021-08-12 21:15:22,520 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 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) [2021-08-12 21:15:22,520 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 8 predicate places. [2021-08-12 21:15:22,520 INFO L482 AbstractCegarLoop]: Abstraction has has 68 places, 74 transitions, 214 flow [2021-08-12 21:15:22,524 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 54.166666666666664) internal successors, (325), 6 states have internal predecessors, (325), 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) [2021-08-12 21:15:22,524 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:15:22,525 INFO L266 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] [2021-08-12 21:15:22,525 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 21:15:22,525 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 21:15:22,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:15:22,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1848707242, now seen corresponding path program 1 times [2021-08-12 21:15:22,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:15:22,526 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703042274] [2021-08-12 21:15:22,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:15:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:15:22,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:22,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:15:22,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:22,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:15:22,610 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-08-12 21:15:22,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:15:22,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:22,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:15:22,645 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-08-12 21:15:22,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:15:22,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:22,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:15:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:15:22,664 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:15:22,664 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703042274] [2021-08-12 21:15:22,664 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703042274] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:15:22,664 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:15:22,664 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 21:15:22,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715397589] [2021-08-12 21:15:22,665 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 21:15:22,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:15:22,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 21:15:22,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 21:15:22,666 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 66 [2021-08-12 21:15:22,667 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 74 transitions, 214 flow. Second operand has 6 states, 6 states have (on average 54.166666666666664) internal successors, (325), 6 states have internal predecessors, (325), 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) [2021-08-12 21:15:22,667 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:15:22,667 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 66 [2021-08-12 21:15:22,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:15:22,797 INFO L129 PetriNetUnfolder]: 46/189 cut-off events. [2021-08-12 21:15:22,797 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:15:22,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 189 events. 46/189 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 826 event pairs, 5 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 298. Up to 41 conditions per place. [2021-08-12 21:15:22,800 INFO L132 encePairwiseOnDemand]: 57/66 looper letters, 13 selfloop transitions, 12 changer transitions 8/78 dead transitions. [2021-08-12 21:15:22,800 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 78 transitions, 250 flow [2021-08-12 21:15:22,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-12 21:15:22,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-12 21:15:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 565 transitions. [2021-08-12 21:15:22,802 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8560606060606061 [2021-08-12 21:15:22,802 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 565 transitions. [2021-08-12 21:15:22,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 565 transitions. [2021-08-12 21:15:22,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:15:22,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 565 transitions. [2021-08-12 21:15:22,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 56.5) internal successors, (565), 10 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:15:22,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 66.0) internal successors, (726), 11 states have internal predecessors, (726), 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) [2021-08-12 21:15:22,806 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 66.0) internal successors, (726), 11 states have internal predecessors, (726), 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) [2021-08-12 21:15:22,807 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 11 predicate places. [2021-08-12 21:15:22,807 INFO L482 AbstractCegarLoop]: Abstraction has has 71 places, 78 transitions, 250 flow [2021-08-12 21:15:22,807 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 54.166666666666664) internal successors, (325), 6 states have internal predecessors, (325), 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) [2021-08-12 21:15:22,807 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:15:22,807 INFO L266 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] [2021-08-12 21:15:22,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 21:15:22,808 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 21:15:22,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:15:22,808 INFO L82 PathProgramCache]: Analyzing trace with hash 718116661, now seen corresponding path program 1 times [2021-08-12 21:15:22,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:15:22,808 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973616370] [2021-08-12 21:15:22,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:15:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:15:22,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:22,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:15:22,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:22,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:15:22,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:22,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:15:22,872 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-08-12 21:15:22,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:15:22,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:22,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:15:22,899 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-08-12 21:15:22,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:15:22,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:22,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:15:22,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:15:22,909 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:15:22,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973616370] [2021-08-12 21:15:22,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973616370] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:15:22,909 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:15:22,909 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-12 21:15:22,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862653500] [2021-08-12 21:15:22,910 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 21:15:22,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:15:22,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 21:15:22,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-12 21:15:22,911 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 66 [2021-08-12 21:15:22,912 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 78 transitions, 250 flow. Second operand has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 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) [2021-08-12 21:15:22,912 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:15:22,912 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 66 [2021-08-12 21:15:22,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:15:23,163 INFO L129 PetriNetUnfolder]: 32/155 cut-off events. [2021-08-12 21:15:23,163 INFO L130 PetriNetUnfolder]: For 11/27 co-relation queries the response was YES. [2021-08-12 21:15:23,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 155 events. 32/155 cut-off events. For 11/27 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 647 event pairs, 0 based on Foata normal form. 8/157 useless extension candidates. Maximal degree in co-relation 318. Up to 29 conditions per place. [2021-08-12 21:15:23,164 INFO L132 encePairwiseOnDemand]: 57/66 looper letters, 12 selfloop transitions, 15 changer transitions 23/95 dead transitions. [2021-08-12 21:15:23,164 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 95 transitions, 418 flow [2021-08-12 21:15:23,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 21:15:23,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 21:15:23,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 725 transitions. [2021-08-12 21:15:23,166 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.844988344988345 [2021-08-12 21:15:23,166 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 725 transitions. [2021-08-12 21:15:23,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 725 transitions. [2021-08-12 21:15:23,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:15:23,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 725 transitions. [2021-08-12 21:15:23,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 55.76923076923077) internal successors, (725), 13 states have internal predecessors, (725), 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) [2021-08-12 21:15:23,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 66.0) internal successors, (924), 14 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) [2021-08-12 21:15:23,170 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 66.0) internal successors, (924), 14 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) [2021-08-12 21:15:23,170 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 23 predicate places. [2021-08-12 21:15:23,170 INFO L482 AbstractCegarLoop]: Abstraction has has 83 places, 95 transitions, 418 flow [2021-08-12 21:15:23,170 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 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) [2021-08-12 21:15:23,170 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:15:23,170 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:15:23,170 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-12 21:15:23,170 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 21:15:23,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:15:23,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1872334383, now seen corresponding path program 1 times [2021-08-12 21:15:23,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:15:23,171 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124183393] [2021-08-12 21:15:23,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:15:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:15:23,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:23,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:15:23,205 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-08-12 21:15:23,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:15:23,210 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-12 21:15:23,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 21:15:23,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:23,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:15:23,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:23,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:15:23,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:23,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:15:23,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:15:23,237 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:15:23,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124183393] [2021-08-12 21:15:23,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124183393] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:15:23,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:15:23,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 21:15:23,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809478632] [2021-08-12 21:15:23,237 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 21:15:23,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:15:23,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 21:15:23,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 21:15:23,239 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 66 [2021-08-12 21:15:23,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 95 transitions, 418 flow. Second operand has 6 states, 6 states have (on average 52.833333333333336) internal successors, (317), 6 states have internal predecessors, (317), 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) [2021-08-12 21:15:23,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:15:23,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 66 [2021-08-12 21:15:23,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:15:23,330 INFO L129 PetriNetUnfolder]: 59/246 cut-off events. [2021-08-12 21:15:23,331 INFO L130 PetriNetUnfolder]: For 28/43 co-relation queries the response was YES. [2021-08-12 21:15:23,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 601 conditions, 246 events. 59/246 cut-off events. For 28/43 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1364 event pairs, 0 based on Foata normal form. 3/233 useless extension candidates. Maximal degree in co-relation 563. Up to 53 conditions per place. [2021-08-12 21:15:23,334 INFO L132 encePairwiseOnDemand]: 58/66 looper letters, 9 selfloop transitions, 5 changer transitions 27/100 dead transitions. [2021-08-12 21:15:23,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 100 transitions, 472 flow [2021-08-12 21:15:23,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-12 21:15:23,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-08-12 21:15:23,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 324 transitions. [2021-08-12 21:15:23,338 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8181818181818182 [2021-08-12 21:15:23,338 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 324 transitions. [2021-08-12 21:15:23,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 324 transitions. [2021-08-12 21:15:23,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:15:23,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 324 transitions. [2021-08-12 21:15:23,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 54.0) internal successors, (324), 6 states have internal predecessors, (324), 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) [2021-08-12 21:15:23,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 66.0) internal successors, (462), 7 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:15:23,343 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 66.0) internal successors, (462), 7 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:15:23,343 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 28 predicate places. [2021-08-12 21:15:23,343 INFO L482 AbstractCegarLoop]: Abstraction has has 88 places, 100 transitions, 472 flow [2021-08-12 21:15:23,343 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 52.833333333333336) internal successors, (317), 6 states have internal predecessors, (317), 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) [2021-08-12 21:15:23,343 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:15:23,343 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:15:23,343 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-12 21:15:23,343 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 21:15:23,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:15:23,344 INFO L82 PathProgramCache]: Analyzing trace with hash 145390549, now seen corresponding path program 2 times [2021-08-12 21:15:23,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:15:23,345 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142866560] [2021-08-12 21:15:23,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:15:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:15:23,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:23,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:15:23,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:23,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:15:23,398 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-08-12 21:15:23,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:15:23,405 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-12 21:15:23,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 21:15:23,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:23,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:15:23,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:23,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:15:23,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:23,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:15:23,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:15:23,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:15:23,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142866560] [2021-08-12 21:15:23,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142866560] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:15:23,441 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:15:23,441 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-12 21:15:23,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839925516] [2021-08-12 21:15:23,441 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 21:15:23,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:15:23,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 21:15:23,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-12 21:15:23,442 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 66 [2021-08-12 21:15:23,443 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 100 transitions, 472 flow. Second operand has 7 states, 7 states have (on average 52.57142857142857) internal successors, (368), 7 states have internal predecessors, (368), 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) [2021-08-12 21:15:23,443 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:15:23,443 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 66 [2021-08-12 21:15:23,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:15:23,545 INFO L129 PetriNetUnfolder]: 81/311 cut-off events. [2021-08-12 21:15:23,545 INFO L130 PetriNetUnfolder]: For 53/75 co-relation queries the response was YES. [2021-08-12 21:15:23,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 801 conditions, 311 events. 81/311 cut-off events. For 53/75 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 1915 event pairs, 0 based on Foata normal form. 3/293 useless extension candidates. Maximal degree in co-relation 759. Up to 73 conditions per place. [2021-08-12 21:15:23,547 INFO L132 encePairwiseOnDemand]: 59/66 looper letters, 8 selfloop transitions, 3 changer transitions 50/104 dead transitions. [2021-08-12 21:15:23,547 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 104 transitions, 540 flow [2021-08-12 21:15:23,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 21:15:23,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-12 21:15:23,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 376 transitions. [2021-08-12 21:15:23,550 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8138528138528138 [2021-08-12 21:15:23,550 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 376 transitions. [2021-08-12 21:15:23,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 376 transitions. [2021-08-12 21:15:23,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:15:23,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 376 transitions. [2021-08-12 21:15:23,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 53.714285714285715) internal successors, (376), 7 states have internal predecessors, (376), 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) [2021-08-12 21:15:23,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 66.0) internal successors, (528), 8 states have internal predecessors, (528), 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) [2021-08-12 21:15:23,553 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 66.0) internal successors, (528), 8 states have internal predecessors, (528), 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) [2021-08-12 21:15:23,553 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 34 predicate places. [2021-08-12 21:15:23,553 INFO L482 AbstractCegarLoop]: Abstraction has has 94 places, 104 transitions, 540 flow [2021-08-12 21:15:23,554 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 52.57142857142857) internal successors, (368), 7 states have internal predecessors, (368), 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) [2021-08-12 21:15:23,554 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:15:23,554 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:15:23,555 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-12 21:15:23,555 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 21:15:23,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:15:23,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1970675669, now seen corresponding path program 3 times [2021-08-12 21:15:23,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:15:23,556 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428435313] [2021-08-12 21:15:23,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:15:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:15:23,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:23,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:15:23,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:23,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:15:23,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:23,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:15:23,605 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-12 21:15:23,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 21:15:23,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:23,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:15:23,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:23,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 21:15:23,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:15:23,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:15:23,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:15:23,646 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:15:23,646 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428435313] [2021-08-12 21:15:23,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428435313] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:15:23,646 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:15:23,647 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-12 21:15:23,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798333816] [2021-08-12 21:15:23,647 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 21:15:23,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:15:23,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 21:15:23,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-12 21:15:23,652 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 66 [2021-08-12 21:15:23,652 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 104 transitions, 540 flow. Second operand has 7 states, 7 states have (on average 53.42857142857143) internal successors, (374), 7 states have internal predecessors, (374), 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) [2021-08-12 21:15:23,653 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:15:23,653 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 66 [2021-08-12 21:15:23,653 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:15:23,741 INFO L129 PetriNetUnfolder]: 108/400 cut-off events. [2021-08-12 21:15:23,741 INFO L130 PetriNetUnfolder]: For 86/108 co-relation queries the response was YES. [2021-08-12 21:15:23,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1062 conditions, 400 events. 108/400 cut-off events. For 86/108 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 2768 event pairs, 0 based on Foata normal form. 1/371 useless extension candidates. Maximal degree in co-relation 1016. Up to 97 conditions per place. [2021-08-12 21:15:23,742 INFO L132 encePairwiseOnDemand]: 60/66 looper letters, 0 selfloop transitions, 0 changer transitions 107/107 dead transitions. [2021-08-12 21:15:23,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 107 transitions, 614 flow [2021-08-12 21:15:23,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 21:15:23,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-12 21:15:23,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 379 transitions. [2021-08-12 21:15:23,743 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8203463203463204 [2021-08-12 21:15:23,744 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 379 transitions. [2021-08-12 21:15:23,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 379 transitions. [2021-08-12 21:15:23,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:15:23,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 379 transitions. [2021-08-12 21:15:23,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 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) [2021-08-12 21:15:23,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 66.0) internal successors, (528), 8 states have internal predecessors, (528), 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) [2021-08-12 21:15:23,745 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 66.0) internal successors, (528), 8 states have internal predecessors, (528), 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) [2021-08-12 21:15:23,745 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 38 predicate places. [2021-08-12 21:15:23,746 INFO L482 AbstractCegarLoop]: Abstraction has has 98 places, 107 transitions, 614 flow [2021-08-12 21:15:23,746 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 53.42857142857143) internal successors, (374), 7 states have internal predecessors, (374), 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) [2021-08-12 21:15:23,746 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-12 21:15:23,921 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 47041 in 165603208ns [2021-08-12 21:15:23,924 INFO L113 kiGriesValidityCheck]: 20#(or (and (not v_np22_1) (not v_np37_1) v_np26_1 (not v_np45_1) (not v_np42_1) (not v_np53_1) (not v_np3_1) (not v_np47_1) (not v_np8_1) (not v_np38_1) (not v_np36_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np50_1) (not v_np54_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np19_1 (not v_np21_1) (not v_np51_1) (not v_np40_1) (not v_np29_1) (not v_np44_1) (not v_np33_1) (not v_np56_1) (not v_np0_1) (not v_np30_1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np52_1) (not v_np27_1) (not v_np9_1) v_np57_1 (not v_np43_1) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np58_1 (not v_np49_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np48_1) (not v_np55_1) (not v_np59_1) (not v_np35_1) (<= ~main$tmp_guard0~0 0)) (and (not v_np22_1) (not v_np37_1) (not v_np45_1) (not v_np42_1) (not v_np53_1) (not v_np3_1) (not v_np47_1) (not v_np8_1) (not v_np38_1) (not v_np36_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np50_1) (not v_np54_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np19_1 (not v_np21_1) (not v_np51_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np56_1) (not v_np0_1) (not v_np30_1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np52_1) (not v_np27_1) (not v_np9_1) (= ~y~0 0) v_np57_1 (not v_np43_1) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (or (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~y~0))) (not v_np2_1) (not v_np17_1) v_np58_1 (not v_np49_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np48_1) (not v_np55_1) (not v_np59_1) v_np40_1 (not v_np35_1) (<= ~main$tmp_guard0~0 0)) (and (not v_np22_1) (not v_np37_1) (not v_np45_1) (not v_np42_1) (not v_np53_1) (not v_np3_1) (not v_np47_1) (not v_np8_1) (not v_np38_1) (not v_np36_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np54_1 (not v_np6_1) (not v_np34_1) (not v_np50_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np19_1 (not v_np21_1) (not v_np51_1) (not v_np40_1) (<= ~__unbuffered_cnt~0 1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np56_1) (not v_np0_1) (not v_np30_1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np52_1) (not v_np27_1) (not v_np9_1) v_np57_1 (not v_np43_1) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np58_1 (not v_np49_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np48_1) (not v_np55_1) (not v_np59_1) (not v_np35_1) (<= ~main$tmp_guard0~0 0)) (and (not v_np22_1) (not v_np37_1) (not v_np45_1) (not v_np42_1) (not v_np53_1) (not v_np3_1) (not v_np47_1) (not v_np8_1) (not v_np38_1) (not v_np36_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np50_1) (not v_np54_1) (not v_np4_1) (not v_np12_1) v_np19_1 (not v_np21_1) (not v_np51_1) (not v_np40_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np56_1) (not v_np0_1) (not v_np30_1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np52_1) (not v_np27_1) (not v_np9_1) v_np57_1 (not v_np43_1) v_np13_1 (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np58_1 (not v_np49_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np48_1) (not v_np55_1) (not v_np59_1) (not v_np35_1) (<= ~main$tmp_guard0~0 0)) (and (not v_np22_1) (not v_np37_1) (not v_np45_1) (not v_np53_1) (not v_np3_1) (not v_np47_1) (not v_np8_1) (not v_np38_1) (not v_np36_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np50_1) (not v_np54_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np19_1 (not v_np21_1) (not v_np51_1) (not v_np40_1) (<= ~__unbuffered_cnt~0 1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np56_1) (not v_np0_1) (not v_np30_1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np52_1) (not v_np27_1) (not v_np9_1) v_np57_1 (not v_np43_1) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np58_1 (not v_np49_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np48_1) (not v_np55_1) (not v_np59_1) v_np42_1 (not v_np35_1) (<= ~main$tmp_guard0~0 0)) (and (not v_np22_1) (not v_np37_1) (not v_np45_1) (not v_np42_1) (not v_np53_1) (not v_np3_1) (not v_np47_1) (not v_np38_1) (not v_np36_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np50_1) (not v_np54_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np19_1 (not v_np21_1) (not v_np51_1) (not v_np40_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np56_1) (not v_np0_1) v_np8_1 (not v_np30_1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np52_1) (not v_np27_1) (not v_np9_1) (= ~y~0 0) v_np57_1 (not v_np43_1) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (or (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~y~0))) (not v_np2_1) (not v_np17_1) v_np58_1 (not v_np49_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np48_1) (not v_np55_1) (not v_np59_1) (not v_np35_1) (<= ~main$tmp_guard0~0 0)) (and (not v_np22_1) (not v_np37_1) (not v_np45_1) (not v_np42_1) (not v_np53_1) (not v_np3_1) (not v_np47_1) (not v_np8_1) (not v_np38_1) (not v_np36_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np50_1) (not v_np54_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np19_1 (not v_np21_1) (not v_np51_1) (not v_np40_1) (<= ~__unbuffered_cnt~0 1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np56_1) (not v_np0_1) (not v_np30_1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (not v_np23_1) (not v_np31_1) v_np25_1 (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np52_1) (not v_np27_1) (not v_np9_1) v_np57_1 (not v_np43_1) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np58_1 (not v_np49_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np48_1) (not v_np55_1) (not v_np59_1) (not v_np35_1) (<= ~main$tmp_guard0~0 0))) [2021-08-12 21:15:23,943 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 31481386ns [2021-08-12 21:15:23,944 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Invalid Owicki-Gries annotation at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:230) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-12 21:15:23,948 INFO L168 Benchmark]: Toolchain (without parser) took 2975.41 ms. Allocated memory was 226.5 MB in the beginning and 272.6 MB in the end (delta: 46.1 MB). Free memory was 189.5 MB in the beginning and 133.6 MB in the end (delta: 56.0 MB). Peak memory consumption was 103.3 MB. Max. memory is 8.0 GB. [2021-08-12 21:15:23,951 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 226.5 MB. Free memory was 207.6 MB in the beginning and 207.5 MB in the end (delta: 85.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 21:15:23,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.98 ms. Allocated memory is still 226.5 MB. Free memory was 189.3 MB in the beginning and 188.6 MB in the end (delta: 757.0 kB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-12 21:15:23,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.72 ms. Allocated memory is still 226.5 MB. Free memory was 188.6 MB in the beginning and 186.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-12 21:15:23,952 INFO L168 Benchmark]: Boogie Preprocessor took 29.66 ms. Allocated memory is still 226.5 MB. Free memory was 186.5 MB in the beginning and 185.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-12 21:15:23,953 INFO L168 Benchmark]: RCFGBuilder took 395.57 ms. Allocated memory is still 226.5 MB. Free memory was 185.1 MB in the beginning and 163.4 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:15:23,955 INFO L168 Benchmark]: TraceAbstraction took 2120.07 ms. Allocated memory was 226.5 MB in the beginning and 272.6 MB in the end (delta: 46.1 MB). Free memory was 163.4 MB in the beginning and 133.6 MB in the end (delta: 29.9 MB). Peak memory consumption was 77.6 MB. Max. memory is 8.0 GB. [2021-08-12 21:15:23,964 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 226.5 MB. Free memory was 207.6 MB in the beginning and 207.5 MB in the end (delta: 85.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 381.98 ms. Allocated memory is still 226.5 MB. Free memory was 189.3 MB in the beginning and 188.6 MB in the end (delta: 757.0 kB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 43.72 ms. Allocated memory is still 226.5 MB. Free memory was 188.6 MB in the beginning and 186.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.66 ms. Allocated memory is still 226.5 MB. Free memory was 186.5 MB in the beginning and 185.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 395.57 ms. Allocated memory is still 226.5 MB. Free memory was 185.1 MB in the beginning and 163.4 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2120.07 ms. Allocated memory was 226.5 MB in the beginning and 272.6 MB in the end (delta: 46.1 MB). Free memory was 163.4 MB in the beginning and 133.6 MB in the end (delta: 29.9 MB). Peak memory consumption was 77.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Invalid Owicki-Gries annotation de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Invalid Owicki-Gries annotation: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...