/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-OGIterative-CovSimpl-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 17:45:36,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 17:45:36,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 17:45:36,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 17:45:36,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 17:45:36,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 17:45:36,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 17:45:36,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 17:45:36,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 17:45:36,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 17:45:36,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 17:45:36,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 17:45:36,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 17:45:36,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 17:45:36,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 17:45:36,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 17:45:36,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 17:45:36,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 17:45:36,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 17:45:36,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 17:45:36,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 17:45:36,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 17:45:36,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 17:45:36,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 17:45:36,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-13 17:45:36,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-13 17:45:36,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-13 17:45:36,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-13 17:45:36,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-13 17:45:36,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-13 17:45:36,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-13 17:45:36,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-13 17:45:36,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-13 17:45:36,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-13 17:45:36,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-13 17:45:36,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-13 17:45:36,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-13 17:45:36,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-13 17:45:36,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 17:45:36,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 17:45:36,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 17:45:36,671 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-OGIterative-CovSimpl-Hitting.epf [2021-08-13 17:45:36,698 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 17:45:36,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 17:45:36,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 17:45:36,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 17:45:36,702 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 17:45:36,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 17:45:36,702 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 17:45:36,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 17:45:36,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 17:45:36,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 17:45:36,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 17:45:36,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 17:45:36,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 17:45:36,703 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 17:45:36,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 17:45:36,703 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 17:45:36,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 17:45:36,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 17:45:36,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 17:45:36,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 17:45:36,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 17:45:36,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 17:45:36,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 17:45:36,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 17:45:36,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 17:45:36,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 17:45:36,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 17:45:36,705 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 17:45:36,705 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 17:45:36,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 17:45:36,705 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 17:45:36,705 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 17:45:36,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-13 17:45:36,705 INFO L138 SettingsManager]: * Simplify away covered predicates in OwickiGries annotation=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 17:45:36,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 17:45:36,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 17:45:36,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 17:45:36,981 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 17:45:36,981 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 17:45:36,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c [2021-08-13 17:45:37,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b89c71b/c0318804eada43ee8871881f92f24a17/FLAG7ecff2a2b [2021-08-13 17:45:37,337 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 17:45:37,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c [2021-08-13 17:45:37,338 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-08-13 17:45:37,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b89c71b/c0318804eada43ee8871881f92f24a17/FLAG7ecff2a2b [2021-08-13 17:45:37,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b89c71b/c0318804eada43ee8871881f92f24a17 [2021-08-13 17:45:37,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 17:45:37,380 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 17:45:37,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 17:45:37,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 17:45:37,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 17:45:37,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 05:45:37" (1/1) ... [2021-08-13 17:45:37,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13001757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:45:37, skipping insertion in model container [2021-08-13 17:45:37,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 05:45:37" (1/1) ... [2021-08-13 17:45:37,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 17:45:37,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 17:45:37,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 17:45:37,550 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 17:45:37,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 17:45:37,567 INFO L208 MainTranslator]: Completed translation [2021-08-13 17:45:37,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:45:37 WrapperNode [2021-08-13 17:45:37,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 17:45:37,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 17:45:37,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 17:45:37,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 17:45:37,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:45:37" (1/1) ... [2021-08-13 17:45:37,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:45:37" (1/1) ... [2021-08-13 17:45:37,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 17:45:37,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 17:45:37,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 17:45:37,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 17:45:37,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:45:37" (1/1) ... [2021-08-13 17:45:37,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:45:37" (1/1) ... [2021-08-13 17:45:37,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:45:37" (1/1) ... [2021-08-13 17:45:37,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:45:37" (1/1) ... [2021-08-13 17:45:37,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:45:37" (1/1) ... [2021-08-13 17:45:37,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:45:37" (1/1) ... [2021-08-13 17:45:37,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:45:37" (1/1) ... [2021-08-13 17:45:37,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 17:45:37,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 17:45:37,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 17:45:37,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 17:45:37,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:45:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 17:45:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 17:45:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-13 17:45:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-13 17:45:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-08-13 17:45:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-08-13 17:45:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 17:45:37,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 17:45:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 17:45:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 17:45:37,664 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 17:45:37,896 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 17:45:37,896 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-08-13 17:45:37,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 05:45:37 BoogieIcfgContainer [2021-08-13 17:45:37,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 17:45:37,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 17:45:37,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 17:45:37,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 17:45:37,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 05:45:37" (1/3) ... [2021-08-13 17:45:37,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d799490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 05:45:37, skipping insertion in model container [2021-08-13 17:45:37,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:45:37" (2/3) ... [2021-08-13 17:45:37,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d799490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 05:45:37, skipping insertion in model container [2021-08-13 17:45:37,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 05:45:37" (3/3) ... [2021-08-13 17:45:37,902 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-loop-after.c [2021-08-13 17:45:37,906 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 17:45:37,906 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 17:45:37,907 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 17:45:37,939 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:45:37,939 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:45:37,939 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:45:37,939 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:45:37,940 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:45:37,940 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:45:37,940 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:45:37,940 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:45:37,941 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:45:37,941 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:45:37,942 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:45:37,942 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:45:37,945 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:45:37,945 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:45:37,945 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:45:37,946 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:45:37,949 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-13 17:45:37,964 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-13 17:45:37,989 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 17:45:37,989 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 17:45:37,989 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 17:45:37,989 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 17:45:37,990 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 17:45:37,990 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 17:45:37,990 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 17:45:37,990 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 17:45:37,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 32 transitions, 69 flow [2021-08-13 17:45:38,028 INFO L129 PetriNetUnfolder]: 2/31 cut-off events. [2021-08-13 17:45:38,029 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 17:45:38,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 31 events. 2/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 19. Up to 2 conditions per place. [2021-08-13 17:45:38,031 INFO L82 GeneralOperation]: Start removeDead. Operand has 34 places, 32 transitions, 69 flow [2021-08-13 17:45:38,035 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 65 flow [2021-08-13 17:45:38,049 INFO L129 PetriNetUnfolder]: 1/19 cut-off events. [2021-08-13 17:45:38,049 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 17:45:38,050 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:45:38,050 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:45:38,051 INFO L430 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONASSERT, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 17:45:38,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:45:38,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1669332040, now seen corresponding path program 1 times [2021-08-13 17:45:38,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:45:38,061 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808021666] [2021-08-13 17:45:38,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:45:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:45:38,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:45:38,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:45:38,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:45:38,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:45:38,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:45:38,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:45:38,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808021666] [2021-08-13 17:45:38,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808021666] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:45:38,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:45:38,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-13 17:45:38,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103629272] [2021-08-13 17:45:38,203 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 17:45:38,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:45:38,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 17:45:38,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 17:45:38,213 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 32 [2021-08-13 17:45:38,216 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 31 transitions, 65 flow. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-08-13 17:45:38,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:45:38,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 32 [2021-08-13 17:45:38,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:45:38,241 INFO L129 PetriNetUnfolder]: 4/40 cut-off events. [2021-08-13 17:45:38,242 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 17:45:38,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 40 events. 4/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 67 event pairs, 0 based on Foata normal form. 6/44 useless extension candidates. Maximal degree in co-relation 37. Up to 6 conditions per place. [2021-08-13 17:45:38,243 INFO L132 encePairwiseOnDemand]: 26/32 looper letters, 3 selfloop transitions, 2 changer transitions 4/27 dead transitions. [2021-08-13 17:45:38,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 27 transitions, 71 flow [2021-08-13 17:45:38,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 17:45:38,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 17:45:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 87 transitions. [2021-08-13 17:45:38,250 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.90625 [2021-08-13 17:45:38,251 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 87 transitions. [2021-08-13 17:45:38,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 87 transitions. [2021-08-13 17:45:38,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:45:38,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 87 transitions. [2021-08-13 17:45:38,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2021-08-13 17:45:38,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 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) [2021-08-13 17:45:38,257 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 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) [2021-08-13 17:45:38,257 INFO L348 CegarLoopForPetriNet]: 33 programPoint places, -3 predicate places. [2021-08-13 17:45:38,258 INFO L482 AbstractCegarLoop]: Abstraction has has 30 places, 27 transitions, 71 flow [2021-08-13 17:45:38,258 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-08-13 17:45:38,258 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 17:45:38,258 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 17:45:38,258 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 17:45:38,258 INFO L430 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONASSERT, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 17:45:38,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 17:45:38,259 INFO L82 PathProgramCache]: Analyzing trace with hash -355626128, now seen corresponding path program 1 times [2021-08-13 17:45:38,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 17:45:38,259 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711874135] [2021-08-13 17:45:38,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 17:45:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 17:45:38,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:45:38,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 17:45:38,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 17:45:38,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 17:45:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 17:45:38,280 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 17:45:38,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711874135] [2021-08-13 17:45:38,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711874135] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 17:45:38,281 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 17:45:38,281 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-13 17:45:38,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683976439] [2021-08-13 17:45:38,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 17:45:38,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 17:45:38,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 17:45:38,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 17:45:38,283 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 32 [2021-08-13 17:45:38,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 27 transitions, 71 flow. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2021-08-13 17:45:38,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 17:45:38,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 32 [2021-08-13 17:45:38,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 17:45:38,296 INFO L129 PetriNetUnfolder]: 4/39 cut-off events. [2021-08-13 17:45:38,296 INFO L130 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2021-08-13 17:45:38,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 39 events. 4/39 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 60 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 43. Up to 6 conditions per place. [2021-08-13 17:45:38,296 INFO L132 encePairwiseOnDemand]: 29/32 looper letters, 0 selfloop transitions, 0 changer transitions 26/26 dead transitions. [2021-08-13 17:45:38,297 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 26 transitions, 79 flow [2021-08-13 17:45:38,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 17:45:38,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 17:45:38,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 82 transitions. [2021-08-13 17:45:38,298 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8541666666666666 [2021-08-13 17:45:38,298 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 82 transitions. [2021-08-13 17:45:38,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 82 transitions. [2021-08-13 17:45:38,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 17:45:38,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 82 transitions. [2021-08-13 17:45:38,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-08-13 17:45:38,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 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) [2021-08-13 17:45:38,300 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 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) [2021-08-13 17:45:38,300 INFO L348 CegarLoopForPetriNet]: 33 programPoint places, -2 predicate places. [2021-08-13 17:45:38,300 INFO L482 AbstractCegarLoop]: Abstraction has has 31 places, 26 transitions, 79 flow [2021-08-13 17:45:38,300 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2021-08-13 17:45:38,301 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 17:45:38,452 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 8903 in 148318217ns [2021-08-13 17:45:38,453 INFO L113 kiGriesValidityCheck]: 25#(and (not v_np16_1) (not v_np25_1) (not v_np15_1) (not v_np22_1) (not v_np23_1) (not v_np2_1) (not v_np20_1) (not v_np17_1) (not v_np18_1) (not v_np5_1) (not v_np19_1) (not v_np29_1) (not v_np3_1) (not v_np26_1) (not v_np27_1) (not v_np0_1) (not v_np30_1) (not v_np1_1) (not v_np6_1) v_np24_1 (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 17:45:38,456 INFO L113 kiGriesValidityCheck]: 6#(or (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np3_1) (not v_np27_1) (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np18_1) (not v_np19_1) (not v_np29_1) v_np2_1 (not v_np26_1) (= ~x~0 0) v_np5_1 (not v_np0_1) (not v_np30_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np3_1) (not v_np27_1) (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np17_1 (not v_np18_1) (not v_np19_1) (not v_np29_1) (not v_np26_1) (<= 2 ~x~0) v_np5_1 (not v_np0_1) (not v_np30_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np3_1) (not v_np27_1) (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np19_1) (not v_np29_1) (not v_np26_1) (= ~x~0 0) v_np5_1 (not v_np0_1) (not v_np30_1)) (and (not v_np25_1) (not v_np22_1) (not v_np20_1) (not v_np3_1) (not v_np27_1) (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np19_1) (not v_np29_1) (not v_np26_1) (= ~x~0 0) v_np5_1 (not v_np0_1) (not v_np30_1) v_np23_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np3_1) (not v_np27_1) (not v_np1_1) v_np13_1 (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np19_1) (not v_np29_1) (not v_np26_1) (<= 2 ~x~0) v_np5_1 (not v_np0_1) (not v_np30_1)) (and v_np29_1 (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np3_1) (not v_np27_1) (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) (<= 2 ~x~0) v_np5_1 (not v_np0_1) (not v_np30_1))) [2021-08-13 17:45:38,459 INFO L113 kiGriesValidityCheck]: 4#(or (and v_np29_1 (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np5_1) (not v_np27_1) (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np3_1 (<= 2 ~x~0) (not v_np0_1) (not v_np30_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np5_1) (not v_np27_1) (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np19_1) (not v_np29_1) (not v_np26_1) v_np3_1 (= ~x~0 0) (not v_np0_1) (not v_np30_1)) (and (not v_np25_1) (not v_np22_1) (not v_np20_1) (not v_np5_1) (not v_np27_1) (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np19_1) (not v_np29_1) (not v_np26_1) v_np3_1 (= ~x~0 0) (not v_np0_1) (not v_np30_1) v_np23_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np5_1) (not v_np27_1) (not v_np1_1) v_np13_1 (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np19_1) (not v_np29_1) (not v_np26_1) v_np3_1 (<= 2 ~x~0) (not v_np0_1) (not v_np30_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np5_1) (not v_np27_1) (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np17_1 (not v_np18_1) (not v_np19_1) (not v_np29_1) (not v_np26_1) v_np3_1 (<= 2 ~x~0) (not v_np0_1) (not v_np30_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np5_1) (not v_np27_1) (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np18_1) (not v_np19_1) (not v_np29_1) v_np2_1 (not v_np26_1) v_np3_1 (= ~x~0 0) (not v_np0_1) (not v_np30_1))) [2021-08-13 17:45:38,462 INFO L113 kiGriesValidityCheck]: 20#(or (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np5_1) (not v_np3_1) (not v_np27_1) (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) v_np17_1 (not v_np18_1) (not v_np29_1) (not v_np26_1) (= ~x~0 0) (not v_np0_1) (not v_np30_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np5_1) (not v_np3_1) (not v_np27_1) (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np17_1) (not v_np18_1) (not v_np29_1) v_np2_1 (not v_np26_1) (= ~x~0 0) (not v_np0_1) (not v_np30_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np5_1) (not v_np3_1) (not v_np27_1) (not v_np1_1) v_np13_1 (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np10_1) (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np29_1) (not v_np26_1) (= ~x~0 0) (not v_np0_1) (not v_np30_1)) (and (not v_np25_1) (not v_np22_1) (not v_np20_1) (not v_np5_1) (not v_np3_1) (not v_np27_1) (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np29_1) (not v_np26_1) (= ~x~0 0) (not v_np0_1) (not v_np30_1) v_np23_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np5_1) (not v_np3_1) (not v_np27_1) (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np29_1) (not v_np26_1) (= ~x~0 0) (not v_np0_1) (not v_np30_1)) (and v_np29_1 (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np5_1) (not v_np3_1) (not v_np27_1) (not v_np1_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np26_1) (= ~x~0 0) (not v_np0_1) (not v_np30_1))) [2021-08-13 17:45:38,527 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 77744583ns [2021-08-13 17:45:38,527 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) [2021-08-13 17:45:38,532 INFO L168 Benchmark]: Toolchain (without parser) took 1151.03 ms. Allocated memory is still 219.2 MB. Free memory was 182.2 MB in the beginning and 99.4 MB in the end (delta: 82.8 MB). Peak memory consumption was 82.5 MB. Max. memory is 8.0 GB. [2021-08-13 17:45:38,532 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 219.2 MB. Free memory is still 200.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 17:45:38,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.47 ms. Allocated memory is still 219.2 MB. Free memory was 182.0 MB in the beginning and 200.6 MB in the end (delta: -18.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 8.0 GB. [2021-08-13 17:45:38,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.74 ms. Allocated memory is still 219.2 MB. Free memory was 200.6 MB in the beginning and 199.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 17:45:38,535 INFO L168 Benchmark]: Boogie Preprocessor took 18.42 ms. Allocated memory is still 219.2 MB. Free memory was 199.1 MB in the beginning and 198.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-13 17:45:38,535 INFO L168 Benchmark]: RCFGBuilder took 287.59 ms. Allocated memory is still 219.2 MB. Free memory was 198.0 MB in the beginning and 183.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-13 17:45:38,536 INFO L168 Benchmark]: TraceAbstraction took 631.67 ms. Allocated memory is still 219.2 MB. Free memory was 183.9 MB in the beginning and 99.4 MB in the end (delta: 84.4 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. [2021-08-13 17:45:38,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 219.2 MB. Free memory is still 200.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 188.47 ms. Allocated memory is still 219.2 MB. Free memory was 182.0 MB in the beginning and 200.6 MB in the end (delta: -18.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.74 ms. Allocated memory is still 219.2 MB. Free memory was 200.6 MB in the beginning and 199.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.42 ms. Allocated memory is still 219.2 MB. Free memory was 199.1 MB in the beginning and 198.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 287.59 ms. Allocated memory is still 219.2 MB. Free memory was 198.0 MB in the beginning and 183.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 631.67 ms. Allocated memory is still 219.2 MB. Free memory was 183.9 MB in the beginning and 99.4 MB in the end (delta: 84.4 MB). Peak memory consumption was 83.9 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...