/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/06-begin-no-end.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 07:34:27,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 07:34:27,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 07:34:27,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 07:34:27,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 07:34:27,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 07:34:27,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 07:34:27,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 07:34:27,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 07:34:27,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 07:34:27,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 07:34:27,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 07:34:27,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 07:34:27,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 07:34:27,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 07:34:27,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 07:34:27,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 07:34:27,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 07:34:27,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 07:34:27,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 07:34:27,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 07:34:27,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 07:34:27,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 07:34:27,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 07:34:27,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-13 07:34:27,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-13 07:34:27,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-13 07:34:27,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-13 07:34:27,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-13 07:34:27,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-13 07:34:27,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-13 07:34:27,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-13 07:34:27,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-13 07:34:27,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-13 07:34:27,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-13 07:34:27,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-13 07:34:27,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-13 07:34:27,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-13 07:34:27,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 07:34:27,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 07:34:27,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 07:34:27,736 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.epf [2021-08-13 07:34:27,761 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 07:34:27,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 07:34:27,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 07:34:27,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 07:34:27,763 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 07:34:27,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 07:34:27,763 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 07:34:27,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 07:34:27,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 07:34:27,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 07:34:27,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 07:34:27,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 07:34:27,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 07:34:27,764 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 07:34:27,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 07:34:27,765 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 07:34:27,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 07:34:27,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 07:34:27,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 07:34:27,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 07:34:27,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 07:34:27,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 07:34:27,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 07:34:27,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 07:34:27,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 07:34:27,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 07:34:27,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 07:34:27,767 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 07:34:27,767 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 07:34:27,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 07:34:27,768 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 07:34:27,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-13 07:34:27,768 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 07:34:28,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 07:34:28,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 07:34:28,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 07:34:28,105 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 07:34:28,106 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 07:34:28,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/06-begin-no-end.c [2021-08-13 07:34:28,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b665f46f4/4e5e373f3ea145a0b6ce3cd0e5b2331d/FLAG879277111 [2021-08-13 07:34:28,551 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 07:34:28,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/06-begin-no-end.c [2021-08-13 07:34:28,552 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-08-13 07:34:28,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b665f46f4/4e5e373f3ea145a0b6ce3cd0e5b2331d/FLAG879277111 [2021-08-13 07:34:28,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b665f46f4/4e5e373f3ea145a0b6ce3cd0e5b2331d [2021-08-13 07:34:28,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 07:34:28,610 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 07:34:28,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 07:34:28,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 07:34:28,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 07:34:28,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 07:34:28" (1/1) ... [2021-08-13 07:34:28,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef105f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:34:28, skipping insertion in model container [2021-08-13 07:34:28,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 07:34:28" (1/1) ... [2021-08-13 07:34:28,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 07:34:28,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 07:34:28,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 07:34:28,751 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 07:34:28,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 07:34:28,821 INFO L208 MainTranslator]: Completed translation [2021-08-13 07:34:28,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:34:28 WrapperNode [2021-08-13 07:34:28,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 07:34:28,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 07:34:28,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 07:34:28,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 07:34:28,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:34:28" (1/1) ... [2021-08-13 07:34:28,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:34:28" (1/1) ... [2021-08-13 07:34:28,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 07:34:28,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 07:34:28,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 07:34:28,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 07:34:28,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:34:28" (1/1) ... [2021-08-13 07:34:28,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:34:28" (1/1) ... [2021-08-13 07:34:28,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:34:28" (1/1) ... [2021-08-13 07:34:28,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:34:28" (1/1) ... [2021-08-13 07:34:28,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:34:28" (1/1) ... [2021-08-13 07:34:28,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:34:28" (1/1) ... [2021-08-13 07:34:28,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:34:28" (1/1) ... [2021-08-13 07:34:28,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 07:34:28,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 07:34:28,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 07:34:28,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 07:34:28,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:34:28" (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 07:34:28,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 07:34:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-13 07:34:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-08-13 07:34:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-08-13 07:34:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 07:34:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 07:34:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 07:34:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 07:34:28,949 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 07:34:29,264 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 07:34:29,264 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-13 07:34:29,265 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: ULTIMATE.startEXIT is neither atomic block end nor error location. [2021-08-13 07:34:29,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 07:34:29 BoogieIcfgContainer [2021-08-13 07:34:29,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 07:34:29,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 07:34:29,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 07:34:29,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 07:34:29,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 07:34:28" (1/3) ... [2021-08-13 07:34:29,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca643f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 07:34:29, skipping insertion in model container [2021-08-13 07:34:29,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:34:28" (2/3) ... [2021-08-13 07:34:29,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca643f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 07:34:29, skipping insertion in model container [2021-08-13 07:34:29,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 07:34:29" (3/3) ... [2021-08-13 07:34:29,273 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-begin-no-end.c [2021-08-13 07:34:29,284 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 07:34:29,285 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 07:34:29,285 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 07:34:29,310 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:34:29,311 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:34:29,311 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:34:29,311 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:34:29,312 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:34:29,312 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:34:29,312 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:34:29,312 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:34:29,313 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:34:29,313 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:34:29,313 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:34:29,313 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:34:29,316 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:34:29,316 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:34:29,316 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:34:29,316 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:34:29,321 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-13 07:34:29,340 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-13 07:34:29,376 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 07:34:29,377 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 07:34:29,377 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 07:34:29,377 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 07:34:29,377 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 07:34:29,377 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 07:34:29,378 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 07:34:29,378 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 07:34:29,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 21 transitions, 47 flow [2021-08-13 07:34:29,418 INFO L129 PetriNetUnfolder]: 0/20 cut-off events. [2021-08-13 07:34:29,418 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 07:34:29,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24 conditions, 20 events. 0/20 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 7 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-08-13 07:34:29,427 INFO L82 GeneralOperation]: Start removeDead. Operand has 25 places, 21 transitions, 47 flow [2021-08-13 07:34:29,433 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 21 places, 17 transitions, 37 flow [2021-08-13 07:34:29,443 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-08-13 07:34:29,443 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 07:34:29,443 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 07:34:29,444 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 07:34:29,444 INFO L430 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONASSERT, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-13 07:34:29,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 07:34:29,450 INFO L82 PathProgramCache]: Analyzing trace with hash 30709359, now seen corresponding path program 1 times [2021-08-13 07:34:29,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 07:34:29,458 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960227790] [2021-08-13 07:34:29,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 07:34:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 07:34:29,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:34:29,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 07:34:29,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 07:34:29,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 07:34:29,620 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 07:34:29,621 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 07:34:29,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960227790] [2021-08-13 07:34:29,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960227790] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 07:34:29,622 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 07:34:29,622 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-13 07:34:29,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339870436] [2021-08-13 07:34:29,630 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 07:34:29,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 07:34:29,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 07:34:29,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 07:34:29,644 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 21 [2021-08-13 07:34:29,647 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 17 transitions, 37 flow. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 07:34:29,647 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 07:34:29,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 21 [2021-08-13 07:34:29,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 07:34:29,675 INFO L129 PetriNetUnfolder]: 1/18 cut-off events. [2021-08-13 07:34:29,676 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 07:34:29,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28 conditions, 18 events. 1/18 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 2/20 useless extension candidates. Maximal degree in co-relation 11. Up to 4 conditions per place. [2021-08-13 07:34:29,678 INFO L132 encePairwiseOnDemand]: 18/21 looper letters, 0 selfloop transitions, 0 changer transitions 18/18 dead transitions. [2021-08-13 07:34:29,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 18 transitions, 49 flow [2021-08-13 07:34:29,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 07:34:29,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 07:34:29,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2021-08-13 07:34:29,689 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2021-08-13 07:34:29,690 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 54 transitions. [2021-08-13 07:34:29,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 54 transitions. [2021-08-13 07:34:29,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 07:34:29,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 54 transitions. [2021-08-13 07:34:29,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 07:34:29,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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 07:34:29,700 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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 07:34:29,701 INFO L348 CegarLoopForPetriNet]: 21 programPoint places, 1 predicate places. [2021-08-13 07:34:29,702 INFO L482 AbstractCegarLoop]: Abstraction has has 22 places, 18 transitions, 49 flow [2021-08-13 07:34:29,702 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 07:34:29,702 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 07:34:29,799 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 3378 in 92559511ns [2021-08-13 07:34:29,802 INFO L113 kiGriesValidityCheck]: 14#(and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np10_1)) [2021-08-13 07:34:29,812 INFO L113 kiGriesValidityCheck]: 4#(and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) v_np3_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 07:34:29,816 INFO L113 kiGriesValidityCheck]: 9#(or (and v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (= ~x~0 2) (not v_np0_1) v_np8_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np18_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np0_1) v_np8_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1)) (and (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np16_1 (not v_np18_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np0_1) v_np8_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1))) [2021-08-13 07:34:29,821 INFO L113 kiGriesValidityCheck]: 8#(and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np5_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 07:34:29,825 INFO L113 kiGriesValidityCheck]: 10#(and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np20_1) v_np9_1 (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 07:34:29,829 INFO L113 kiGriesValidityCheck]: 1#(and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np0_1 (not v_np10_1)) [2021-08-13 07:34:29,832 INFO L113 kiGriesValidityCheck]: 17#(or (and (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np16_1 (not v_np18_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) v_np1_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1)) (and (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np16_1 (not v_np18_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (= ~x~0 2) (not v_np0_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1)) (and (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np16_1 (not v_np18_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np6_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1)) (and (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np16_1 (not v_np18_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np0_1) v_np8_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1))) [2021-08-13 07:34:29,836 INFO L113 kiGriesValidityCheck]: 18#(and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np20_1) v_np17_1 (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 07:34:29,841 INFO L113 kiGriesValidityCheck]: 16#(or (and (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np18_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (= ~x~0 2) (not v_np0_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np18_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) v_np1_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np18_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np6_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np18_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np0_1) v_np8_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1))) [2021-08-13 07:34:29,849 INFO L113 kiGriesValidityCheck]: 5#(and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) v_np4_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 07:34:29,857 INFO L113 kiGriesValidityCheck]: 3#(and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 07:34:29,864 INFO L113 kiGriesValidityCheck]: 2#(or (and (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np16_1 (not v_np18_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) v_np1_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np18_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) v_np1_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1)) (and v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) v_np1_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (= ~x~0 2) (not v_np0_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1))) [2021-08-13 07:34:29,880 INFO L113 kiGriesValidityCheck]: 6#(and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np5_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 07:34:29,887 INFO L113 kiGriesValidityCheck]: 7#(or (and v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np6_1 (not v_np8_1) (= ~x~0 2) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np18_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np6_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1)) (and (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np16_1 (not v_np18_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np6_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1))) [2021-08-13 07:34:29,894 INFO L113 kiGriesValidityCheck]: 19#(or (and v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np6_1 (not v_np8_1) (= ~x~0 2) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1)) (and v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (= ~x~0 2) (not v_np0_1) v_np8_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1)) (and v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (= ~x~0 2) (not v_np0_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1)) (and v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) v_np1_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (= ~x~0 2) (not v_np0_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1))) [2021-08-13 07:34:29,899 INFO L113 kiGriesValidityCheck]: 15#(and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 07:34:29,906 INFO L113 kiGriesValidityCheck]: 11#(and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1)) [2021-08-13 07:34:29,907 INFO L113 kiGriesValidityCheck]: 20#(or (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np0_1 (not v_np10_1)) (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np5_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np20_1) v_np17_1 (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1)) (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) v_np3_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np5_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np10_1)) (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np20_1) v_np9_1 (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np20_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) v_np4_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1))) [2021-08-13 07:34:30,066 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 271488765ns [2021-08-13 07:34:30,069 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 07:34:30,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 07:34:30 BasicIcfg [2021-08-13 07:34:30,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 07:34:30,075 INFO L168 Benchmark]: Toolchain (without parser) took 1464.29 ms. Allocated memory is still 210.8 MB. Free memory was 173.6 MB in the beginning and 127.9 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.6 MB. Max. memory is 8.0 GB. [2021-08-13 07:34:30,075 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 210.8 MB. Free memory is still 191.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 07:34:30,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.10 ms. Allocated memory is still 210.8 MB. Free memory was 173.6 MB in the beginning and 195.1 MB in the end (delta: -21.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 8.0 GB. [2021-08-13 07:34:30,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.91 ms. Allocated memory is still 210.8 MB. Free memory was 194.5 MB in the beginning and 193.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 07:34:30,077 INFO L168 Benchmark]: Boogie Preprocessor took 22.65 ms. Allocated memory is still 210.8 MB. Free memory was 193.4 MB in the beginning and 192.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 07:34:30,078 INFO L168 Benchmark]: RCFGBuilder took 389.45 ms. Allocated memory is still 210.8 MB. Free memory was 192.2 MB in the beginning and 177.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-13 07:34:30,078 INFO L168 Benchmark]: TraceAbstraction took 805.84 ms. Allocated memory is still 210.8 MB. Free memory was 177.2 MB in the beginning and 127.9 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. [2021-08-13 07:34:30,082 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 210.8 MB. Free memory is still 191.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 212.10 ms. Allocated memory is still 210.8 MB. Free memory was 173.6 MB in the beginning and 195.1 MB in the end (delta: -21.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.91 ms. Allocated memory is still 210.8 MB. Free memory was 194.5 MB in the beginning and 193.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.65 ms. Allocated memory is still 210.8 MB. Free memory was 193.4 MB in the beginning and 192.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 389.45 ms. Allocated memory is still 210.8 MB. Free memory was 192.2 MB in the beginning and 177.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 805.84 ms. Allocated memory is still 210.8 MB. Free memory was 177.2 MB in the beginning and 127.9 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 30 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 9.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 333.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 62.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 55.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=1, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.0ms SsaConstructionTime, 22.1ms SatisfiabilityAnalysisTime, 67.0ms InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...