/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/06-begin-no-end.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 21:44:26,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 21:44:26,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 21:44:26,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-12 21:44:26,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-12 21:44:26,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-12 21:44:26,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-12 21:44:26,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-12 21:44:26,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-12 21:44:26,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-12 21:44:26,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-12 21:44:26,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-12 21:44:26,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 21:44:26,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 21:44:26,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 21:44:26,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 21:44:26,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 21:44:26,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 21:44:26,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 21:44:26,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 21:44:26,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 21:44:26,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 21:44:26,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 21:44:26,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 21:44:26,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-12 21:44:26,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-12 21:44:26,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-12 21:44:26,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-12 21:44:26,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-12 21:44:26,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-12 21:44:26,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-12 21:44:26,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-12 21:44:26,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-12 21:44:26,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-12 21:44:26,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-12 21:44:26,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-12 21:44:26,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-12 21:44:26,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-12 21:44:26,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 21:44:26,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 21:44:26,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 21:44:26,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2021-08-12 21:44:26,998 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 21:44:26,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 21:44:26,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 21:44:26,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 21:44:27,000 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 21:44:27,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 21:44:27,000 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 21:44:27,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 21:44:27,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 21:44:27,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 21:44:27,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 21:44:27,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 21:44:27,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 21:44:27,001 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 21:44:27,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 21:44:27,001 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 21:44:27,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 21:44:27,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 21:44:27,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 21:44:27,001 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 21:44:27,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 21:44:27,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 21:44:27,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 21:44:27,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 21:44:27,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 21:44:27,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 21:44:27,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 21:44:27,002 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 21:44:27,002 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 21:44:27,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 21:44:27,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 21:44:27,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 21:44:27,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 21:44:27,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 21:44:27,259 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-12 21:44:27,260 INFO L275 PluginConnector]: CDTParser initialized [2021-08-12 21:44:27,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/06-begin-no-end.c [2021-08-12 21:44:27,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bd194cc8/0e0245bcdb3246a0b1dbc994744111f4/FLAGaa0b0f70e [2021-08-12 21:44:27,694 INFO L306 CDTParser]: Found 1 translation units. [2021-08-12 21:44:27,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/06-begin-no-end.c [2021-08-12 21:44:27,695 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-08-12 21:44:27,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bd194cc8/0e0245bcdb3246a0b1dbc994744111f4/FLAGaa0b0f70e [2021-08-12 21:44:27,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bd194cc8/0e0245bcdb3246a0b1dbc994744111f4 [2021-08-12 21:44:27,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 21:44:27,741 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-12 21:44:27,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-12 21:44:27,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-12 21:44:27,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-12 21:44:27,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 09:44:27" (1/1) ... [2021-08-12 21:44:27,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75db490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:27, skipping insertion in model container [2021-08-12 21:44:27,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 09:44:27" (1/1) ... [2021-08-12 21:44:27,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-12 21:44:27,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-12 21:44:27,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 21:44:27,904 INFO L203 MainTranslator]: Completed pre-run [2021-08-12 21:44:27,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 21:44:27,919 INFO L208 MainTranslator]: Completed translation [2021-08-12 21:44:27,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:27 WrapperNode [2021-08-12 21:44:27,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-12 21:44:27,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 21:44:27,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 21:44:27,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 21:44:27,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:27" (1/1) ... [2021-08-12 21:44:27,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:27" (1/1) ... [2021-08-12 21:44:27,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 21:44:27,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 21:44:27,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 21:44:27,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 21:44:27,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:27" (1/1) ... [2021-08-12 21:44:27,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:27" (1/1) ... [2021-08-12 21:44:27,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:27" (1/1) ... [2021-08-12 21:44:27,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:27" (1/1) ... [2021-08-12 21:44:27,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:27" (1/1) ... [2021-08-12 21:44:27,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:27" (1/1) ... [2021-08-12 21:44:27,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:27" (1/1) ... [2021-08-12 21:44:27,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 21:44:27,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 21:44:27,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 21:44:27,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 21:44:27,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 21:44:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-12 21:44:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-12 21:44:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-08-12 21:44:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-08-12 21:44:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 21:44:28,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 21:44:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-12 21:44:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-12 21:44:28,023 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 21:44:28,210 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 21:44:28,210 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-12 21:44:28,211 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: ULTIMATE.startEXIT is neither atomic block end nor error location. [2021-08-12 21:44:28,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:44:28 BoogieIcfgContainer [2021-08-12 21:44:28,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 21:44:28,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 21:44:28,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 21:44:28,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 21:44:28,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.08 09:44:27" (1/3) ... [2021-08-12 21:44:28,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31be8f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:44:28, skipping insertion in model container [2021-08-12 21:44:28,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:27" (2/3) ... [2021-08-12 21:44:28,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31be8f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:44:28, skipping insertion in model container [2021-08-12 21:44:28,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:44:28" (3/3) ... [2021-08-12 21:44:28,216 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-begin-no-end.c [2021-08-12 21:44:28,220 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 21:44:28,220 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-12 21:44:28,221 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 21:44:28,245 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:28,245 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:28,245 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:28,245 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:28,245 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:28,245 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:28,245 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:28,246 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:28,246 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:28,246 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:28,246 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:28,246 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:28,248 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:28,248 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:28,249 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:28,249 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:28,256 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-12 21:44:28,270 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-12 21:44:28,289 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 21:44:28,289 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 21:44:28,289 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 21:44:28,290 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 21:44:28,290 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 21:44:28,290 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 21:44:28,290 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 21:44:28,290 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 21:44:28,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 21 transitions, 47 flow [2021-08-12 21:44:28,311 INFO L129 PetriNetUnfolder]: 0/20 cut-off events. [2021-08-12 21:44:28,312 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:44:28,313 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. [2021-08-12 21:44:28,313 INFO L82 GeneralOperation]: Start removeDead. Operand has 25 places, 21 transitions, 47 flow [2021-08-12 21:44:28,315 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 21 places, 17 transitions, 37 flow [2021-08-12 21:44:28,319 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-08-12 21:44:28,320 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:44:28,323 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:44:28,323 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:44:28,324 INFO L430 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONASSERT, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-08-12 21:44:28,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:44:28,327 INFO L82 PathProgramCache]: Analyzing trace with hash 30709359, now seen corresponding path program 1 times [2021-08-12 21:44:28,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:44:28,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342849984] [2021-08-12 21:44:28,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:44:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:44:28,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:28,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:44:28,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:28,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:44:28,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:44:28,466 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:44:28,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342849984] [2021-08-12 21:44:28,467 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342849984] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:44:28,467 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:44:28,468 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-12 21:44:28,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700589430] [2021-08-12 21:44:28,473 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 21:44:28,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:44:28,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 21:44:28,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 21:44:28,486 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 21 [2021-08-12 21:44:28,489 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) [2021-08-12 21:44:28,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:44:28,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 21 [2021-08-12 21:44:28,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:44:28,519 INFO L129 PetriNetUnfolder]: 1/18 cut-off events. [2021-08-12 21:44:28,519 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:44:28,520 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. [2021-08-12 21:44:28,521 INFO L132 encePairwiseOnDemand]: 18/21 looper letters, 0 selfloop transitions, 0 changer transitions 18/18 dead transitions. [2021-08-12 21:44:28,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 18 transitions, 49 flow [2021-08-12 21:44:28,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 21:44:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-12 21:44:28,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2021-08-12 21:44:28,528 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2021-08-12 21:44:28,529 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 54 transitions. [2021-08-12 21:44:28,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 54 transitions. [2021-08-12 21:44:28,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:44:28,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 54 transitions. [2021-08-12 21:44:28,533 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) [2021-08-12 21:44:28,535 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) [2021-08-12 21:44:28,535 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) [2021-08-12 21:44:28,536 INFO L348 CegarLoopForPetriNet]: 21 programPoint places, 1 predicate places. [2021-08-12 21:44:28,536 INFO L482 AbstractCegarLoop]: Abstraction has has 22 places, 18 transitions, 49 flow [2021-08-12 21:44:28,536 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) [2021-08-12 21:44:28,536 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 21:44:28,588 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 3101 in 46040170ns [2021-08-12 21:44:28,591 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)) [2021-08-12 21:44:28,598 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)) [2021-08-12 21:44:28,600 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))) [2021-08-12 21:44:28,616 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 31734797ns [2021-08-12 21:44:28,617 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Invalid Owicki-Gries annotation at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:230) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-12 21:44:28,621 INFO L168 Benchmark]: Toolchain (without parser) took 879.24 ms. Allocated memory is still 213.9 MB. Free memory was 176.8 MB in the beginning and 147.6 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.7 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:28,622 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 213.9 MB. Free memory is still 195.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 21:44:28,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.20 ms. Allocated memory is still 213.9 MB. Free memory was 176.6 MB in the beginning and 195.8 MB in the end (delta: -19.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:28,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.73 ms. Allocated memory is still 213.9 MB. Free memory was 195.8 MB in the beginning and 194.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:28,624 INFO L168 Benchmark]: Boogie Preprocessor took 12.46 ms. Allocated memory is still 213.9 MB. Free memory was 194.7 MB in the beginning and 193.7 MB in the end (delta: 945.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:28,625 INFO L168 Benchmark]: RCFGBuilder took 260.55 ms. Allocated memory is still 213.9 MB. Free memory was 193.7 MB in the beginning and 179.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:28,626 INFO L168 Benchmark]: TraceAbstraction took 406.68 ms. Allocated memory is still 213.9 MB. Free memory was 179.1 MB in the beginning and 147.6 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:28,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 213.9 MB. Free memory is still 195.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 176.20 ms. Allocated memory is still 213.9 MB. Free memory was 176.6 MB in the beginning and 195.8 MB in the end (delta: -19.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 17.73 ms. Allocated memory is still 213.9 MB. Free memory was 195.8 MB in the beginning and 194.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.46 ms. Allocated memory is still 213.9 MB. Free memory was 194.7 MB in the beginning and 193.7 MB in the end (delta: 945.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 260.55 ms. Allocated memory is still 213.9 MB. Free memory was 193.7 MB in the beginning and 179.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 406.68 ms. Allocated memory is still 213.9 MB. Free memory was 179.1 MB in the beginning and 147.6 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Invalid Owicki-Gries annotation de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Invalid Owicki-Gries annotation: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...