/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-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/02-atomic-function.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 12:39:22,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 12:39:22,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 12:39:22,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 12:39:22,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 12:39:22,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 12:39:22,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 12:39:22,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 12:39:22,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 12:39:22,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 12:39:22,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 12:39:22,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 12:39:22,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 12:39:22,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 12:39:22,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 12:39:22,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 12:39:22,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 12:39:22,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 12:39:22,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 12:39:22,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 12:39:22,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 12:39:22,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 12:39:22,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 12:39:22,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 12:39:22,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 12:39:22,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-13 12:39:22,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-13 12:39:22,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-13 12:39:22,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-13 12:39:22,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-13 12:39:22,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-13 12:39:22,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-13 12:39:22,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-13 12:39:22,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 12:39:22,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 12:39:22,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 12:39:22,334 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-Hitting.epf [2021-08-13 12:39:22,383 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 12:39:22,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 12:39:22,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 12:39:22,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 12:39:22,387 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 12:39:22,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 12:39:22,387 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 12:39:22,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 12:39:22,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 12:39:22,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 12:39:22,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 12:39:22,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 12:39:22,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 12:39:22,389 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 12:39:22,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 12:39:22,389 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 12:39:22,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 12:39:22,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 12:39:22,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 12:39:22,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 12:39:22,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 12:39:22,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 12:39:22,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 12:39:22,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 12:39:22,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 12:39:22,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 12:39:22,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 12:39:22,390 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 12:39:22,390 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 12:39:22,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 12:39:22,391 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 12:39:22,391 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 12:39:22,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 12:39:22,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 12:39:22,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 12:39:22,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 12:39:22,830 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 12:39:22,831 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 12:39:22,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/02-atomic-function.c [2021-08-13 12:39:22,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638e49774/3eff56c12733437dbbe7f2ed9e53bfe4/FLAG71abcfaad [2021-08-13 12:39:23,163 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 12:39:23,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/02-atomic-function.c [2021-08-13 12:39:23,164 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-08-13 12:39:23,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638e49774/3eff56c12733437dbbe7f2ed9e53bfe4/FLAG71abcfaad [2021-08-13 12:39:23,599 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638e49774/3eff56c12733437dbbe7f2ed9e53bfe4 [2021-08-13 12:39:23,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 12:39:23,608 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 12:39:23,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 12:39:23,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 12:39:23,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 12:39:23,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 12:39:23" (1/1) ... [2021-08-13 12:39:23,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d8847a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:39:23, skipping insertion in model container [2021-08-13 12:39:23,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 12:39:23" (1/1) ... [2021-08-13 12:39:23,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 12:39:23,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 12:39:23,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 12:39:23,707 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 12:39:23,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 12:39:23,720 INFO L208 MainTranslator]: Completed translation [2021-08-13 12:39:23,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:39:23 WrapperNode [2021-08-13 12:39:23,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 12:39:23,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 12:39:23,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 12:39:23,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 12:39:23,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:39:23" (1/1) ... [2021-08-13 12:39:23,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:39:23" (1/1) ... [2021-08-13 12:39:23,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 12:39:23,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 12:39:23,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 12:39:23,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 12:39:23,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:39:23" (1/1) ... [2021-08-13 12:39:23,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:39:23" (1/1) ... [2021-08-13 12:39:23,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:39:23" (1/1) ... [2021-08-13 12:39:23,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:39:23" (1/1) ... [2021-08-13 12:39:23,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:39:23" (1/1) ... [2021-08-13 12:39:23,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:39:23" (1/1) ... [2021-08-13 12:39:23,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:39:23" (1/1) ... [2021-08-13 12:39:23,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 12:39:23,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 12:39:23,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 12:39:23,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 12:39:23,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:39:23" (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 12:39:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 12:39:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-08-13 12:39:23,854 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-08-13 12:39:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 12:39:23,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 12:39:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 12:39:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 12:39:23,857 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 12:39:23,979 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 12:39:23,979 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-13 12:39:23,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 12:39:23 BoogieIcfgContainer [2021-08-13 12:39:23,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 12:39:23,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 12:39:23,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 12:39:23,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 12:39:23,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 12:39:23" (1/3) ... [2021-08-13 12:39:23,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42194a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 12:39:23, skipping insertion in model container [2021-08-13 12:39:23,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:39:23" (2/3) ... [2021-08-13 12:39:23,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42194a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 12:39:23, skipping insertion in model container [2021-08-13 12:39:23,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 12:39:23" (3/3) ... [2021-08-13 12:39:23,985 INFO L111 eAbstractionObserver]: Analyzing ICFG 02-atomic-function.c [2021-08-13 12:39:23,988 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 12:39:23,988 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 12:39:23,988 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 12:39:24,000 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:39:24,000 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:39:24,000 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:39:24,000 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:39:24,000 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:39:24,001 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:39:24,001 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:39:24,001 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:39:24,001 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:39:24,001 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:39:24,001 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:39:24,001 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:39:24,002 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:39:24,003 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:39:24,003 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:39:24,003 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 12:39:24,005 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-13 12:39:24,018 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-13 12:39:24,030 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 12:39:24,030 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 12:39:24,030 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 12:39:24,030 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 12:39:24,030 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 12:39:24,030 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 12:39:24,030 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 12:39:24,030 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 12:39:24,035 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 27 transitions, 59 flow [2021-08-13 12:39:24,048 INFO L129 PetriNetUnfolder]: 1/26 cut-off events. [2021-08-13 12:39:24,048 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 12:39:24,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 26 events. 1/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 13 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 15. Up to 2 conditions per place. [2021-08-13 12:39:24,050 INFO L82 GeneralOperation]: Start removeDead. Operand has 30 places, 27 transitions, 59 flow [2021-08-13 12:39:24,052 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 20 transitions, 43 flow [2021-08-13 12:39:24,057 INFO L129 PetriNetUnfolder]: 0/19 cut-off events. [2021-08-13 12:39:24,057 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 12:39:24,057 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 12:39:24,058 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 12:39:24,058 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 12:39:24,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 12:39:24,061 INFO L82 PathProgramCache]: Analyzing trace with hash 290198714, now seen corresponding path program 1 times [2021-08-13 12:39:24,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 12:39:24,066 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152710175] [2021-08-13 12:39:24,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 12:39:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 12:39:24,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:39:24,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:39:24,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:39:24,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 12:39:24,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:39:24,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 12:39:24,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 12:39:24,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 12:39:24,169 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 12:39:24,170 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 12:39:24,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152710175] [2021-08-13 12:39:24,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152710175] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 12:39:24,170 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 12:39:24,171 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 12:39:24,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188691334] [2021-08-13 12:39:24,176 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 12:39:24,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 12:39:24,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 12:39:24,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 12:39:24,187 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 27 [2021-08-13 12:39:24,189 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 20 transitions, 43 flow. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 12:39:24,189 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 12:39:24,189 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 27 [2021-08-13 12:39:24,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 12:39:24,202 INFO L129 PetriNetUnfolder]: 1/22 cut-off events. [2021-08-13 12:39:24,202 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 12:39:24,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 22 events. 1/22 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 11 event pairs, 1 based on Foata normal form. 2/23 useless extension candidates. Maximal degree in co-relation 15. Up to 5 conditions per place. [2021-08-13 12:39:24,203 INFO L132 encePairwiseOnDemand]: 25/27 looper letters, 0 selfloop transitions, 0 changer transitions 18/18 dead transitions. [2021-08-13 12:39:24,203 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 18 transitions, 45 flow [2021-08-13 12:39:24,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 12:39:24,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 12:39:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 67 transitions. [2021-08-13 12:39:24,210 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8271604938271605 [2021-08-13 12:39:24,211 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 67 transitions. [2021-08-13 12:39:24,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 67 transitions. [2021-08-13 12:39:24,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 12:39:24,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 67 transitions. [2021-08-13 12:39:24,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 12:39:24,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 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 12:39:24,217 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 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 12:39:24,217 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 0 predicate places. [2021-08-13 12:39:24,217 INFO L482 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 45 flow [2021-08-13 12:39:24,217 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 12:39:24,218 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 12:39:24,340 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 4272 in 117130914ns [2021-08-13 12:39:24,342 INFO L113 kiGriesValidityCheck]: 3#(and (not v_np15_1) (not v_np22_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 12:39:24,347 INFO L113 kiGriesValidityCheck]: 6#(or (and (not v_np22_1) (not v_np2_1) (not v_np20_1) v_np15_1 (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1))) [2021-08-13 12:39:24,352 INFO L113 kiGriesValidityCheck]: 11#(and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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) v_np10_1 (not v_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1)) [2021-08-13 12:39:24,357 INFO L113 kiGriesValidityCheck]: 19#(and v_np18_1 (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_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 12:39:24,361 INFO L113 kiGriesValidityCheck]: 21#(or (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np21_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_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) v_np20_1 (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_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) v_np21_1 (not v_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (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_np21_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) v_np22_1 (not v_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (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_np22_1) (not v_np2_1) (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (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_np22_1) (not v_np2_1) (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np20_1 (not v_np10_1))) [2021-08-13 12:39:24,364 INFO L113 kiGriesValidityCheck]: 1#(or (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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) v_np11_1 (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_1) v_np14_1 (not v_np20_1) (not v_np21_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_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_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np6_1 (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np8_1 (not v_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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) v_np10_1 (not v_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and v_np18_1 (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_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 12:39:24,365 INFO L113 kiGriesValidityCheck]: 8#(and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 12:39:24,369 INFO L113 kiGriesValidityCheck]: 15#(and (not v_np15_1) (not v_np22_1) (not v_np2_1) v_np14_1 (not v_np20_1) (not v_np21_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_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 12:39:24,372 INFO L113 kiGriesValidityCheck]: 20#false [2021-08-13 12:39:24,373 INFO L113 kiGriesValidityCheck]: 10#(and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 12:39:24,375 INFO L113 kiGriesValidityCheck]: 13#(or (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) v_np12_1 v_np13_1 (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_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) v_np21_1 (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np2_1) (not v_np20_1) (not v_np21_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) v_np22_1 (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np13_1) (not v_np10_1))) [2021-08-13 12:39:24,377 INFO L113 kiGriesValidityCheck]: 16#(or (and (not v_np22_1) (not v_np2_1) (not v_np20_1) v_np15_1 (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np22_1) (not v_np2_1) (not v_np20_1) v_np15_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) v_np21_1 (not v_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np22_1) (not v_np2_1) (not v_np20_1) v_np15_1 (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np2_1) (not v_np20_1) v_np15_1 (not v_np21_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) v_np22_1 (not v_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np22_1) (not v_np2_1) (not v_np20_1) v_np15_1 (not v_np21_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_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np10_1))) [2021-08-13 12:39:24,380 INFO L113 kiGriesValidityCheck]: 7#(and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np6_1 (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 12:39:24,383 INFO L113 kiGriesValidityCheck]: 9#(and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_1) (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np8_1 (not v_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 12:39:24,387 INFO L113 kiGriesValidityCheck]: 22#(or (and (not v_np22_1) (not v_np2_1) (not v_np20_1) v_np15_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) v_np21_1 (not v_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_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) v_np21_1 (not v_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_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) v_np21_1 (not v_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (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_np22_1) (not v_np2_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) v_np21_1 (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np13_1) (not v_np10_1))) [2021-08-13 12:39:24,391 INFO L113 kiGriesValidityCheck]: 4#(and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 12:39:24,396 INFO L113 kiGriesValidityCheck]: 24#(or (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_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) v_np21_1 (not v_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np2_1) (not v_np20_1) (not v_np21_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) v_np22_1 (not v_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np10_1))) [2021-08-13 12:39:24,402 INFO L113 kiGriesValidityCheck]: 14#(or (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np21_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_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) v_np20_1 (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) v_np12_1 v_np13_1 (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np10_1)) (and (not v_np22_1) (not v_np2_1) (not v_np20_1) v_np15_1 (not v_np21_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_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np10_1)) (and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np10_1))) [2021-08-13 12:39:24,404 INFO L113 kiGriesValidityCheck]: 12#(and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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) v_np11_1 (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 12:39:24,407 INFO L113 kiGriesValidityCheck]: 23#(or (and (not v_np15_1) (not v_np2_1) (not v_np20_1) (not v_np21_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) v_np22_1 (not v_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np2_1) (not v_np20_1) v_np15_1 (not v_np21_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) v_np22_1 (not v_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np2_1) (not v_np21_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) v_np22_1 (not v_np11_1) (not v_np14_1) (not v_np6_1) (= ~g~0 0) (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_np20_1) (not v_np21_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) v_np22_1 (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (= ~g~0 0) (not v_np4_1) (not v_np13_1) (not v_np10_1))) [2021-08-13 12:39:24,410 INFO L113 kiGriesValidityCheck]: 5#(and (not v_np15_1) (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np21_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_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 12:39:24,559 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 224420773ns [2021-08-13 12:39:24,561 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 12:39:24,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 12:39:24 BasicIcfg [2021-08-13 12:39:24,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 12:39:24,566 INFO L168 Benchmark]: Toolchain (without parser) took 956.85 ms. Allocated memory is still 225.4 MB. Free memory was 189.7 MB in the beginning and 128.0 MB in the end (delta: 61.7 MB). Peak memory consumption was 62.6 MB. Max. memory is 8.0 GB. [2021-08-13 12:39:24,567 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 225.4 MB. Free memory is still 207.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 12:39:24,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 109.05 ms. Allocated memory is still 225.4 MB. Free memory was 189.4 MB in the beginning and 181.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-08-13 12:39:24,567 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.65 ms. Allocated memory is still 225.4 MB. Free memory was 180.8 MB in the beginning and 208.7 MB in the end (delta: -27.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 8.0 GB. [2021-08-13 12:39:24,568 INFO L168 Benchmark]: Boogie Preprocessor took 9.02 ms. Allocated memory is still 225.4 MB. Free memory was 208.7 MB in the beginning and 208.2 MB in the end (delta: 522.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 12:39:24,569 INFO L168 Benchmark]: RCFGBuilder took 201.08 ms. Allocated memory is still 225.4 MB. Free memory was 207.5 MB in the beginning and 193.0 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-13 12:39:24,570 INFO L168 Benchmark]: TraceAbstraction took 582.87 ms. Allocated memory is still 225.4 MB. Free memory was 192.5 MB in the beginning and 128.0 MB in the end (delta: 64.5 MB). Peak memory consumption was 65.0 MB. Max. memory is 8.0 GB. [2021-08-13 12:39:24,575 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 225.4 MB. Free memory is still 207.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 109.05 ms. Allocated memory is still 225.4 MB. Free memory was 189.4 MB in the beginning and 181.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.65 ms. Allocated memory is still 225.4 MB. Free memory was 180.8 MB in the beginning and 208.7 MB in the end (delta: -27.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.02 ms. Allocated memory is still 225.4 MB. Free memory was 208.7 MB in the beginning and 208.2 MB in the end (delta: 522.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 201.08 ms. Allocated memory is still 225.4 MB. Free memory was 207.5 MB in the beginning and 193.0 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 582.87 ms. Allocated memory is still 225.4 MB. Free memory was 192.5 MB in the beginning and 128.0 MB in the end (delta: 64.5 MB). Peak memory consumption was 65.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 33]: 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, 33 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 190.9ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 34.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 2 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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: 3.5ms SsaConstructionTime, 13.1ms SatisfiabilityAnalysisTime, 48.6ms InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 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...