/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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 10:21:02,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 10:21:02,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 10:21:02,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 10:21:02,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 10:21:02,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 10:21:02,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 10:21:02,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 10:21:02,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 10:21:02,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 10:21:02,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 10:21:02,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 10:21:02,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 10:21:02,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 10:21:02,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 10:21:02,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 10:21:02,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 10:21:02,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 10:21:02,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 10:21:02,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 10:21:02,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 10:21:02,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 10:21:02,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 10:21:02,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 10:21:02,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 10:21:02,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 10:21:02,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 10:21:02,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 10:21:02,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 10:21:02,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 10:21:02,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 10:21:02,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 10:21:02,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 10:21:02,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 10:21:02,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 10:21:02,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 10:21:02,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 10:21:02,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 10:21:02,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 10:21:02,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 10:21:02,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 10:21:02,899 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-16 10:21:02,933 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 10:21:02,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 10:21:02,934 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 10:21:02,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 10:21:02,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 10:21:02,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 10:21:02,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 10:21:02,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 10:21:02,936 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 10:21:02,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 10:21:02,936 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 10:21:02,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 10:21:02,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 10:21:02,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 10:21:02,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 10:21:02,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 10:21:02,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 10:21:02,937 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 10:21:02,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 10:21:02,937 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 10:21:02,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 10:21:02,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 10:21:02,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 10:21:02,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 10:21:02,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 10:21:02,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 10:21:02,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 10:21:02,938 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 10:21:02,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 10:21:02,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 10:21:02,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 10:21:02,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 10:21:02,939 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 10:21:02,939 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 10:21:02,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 10:21:02,939 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 10:21:02,940 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 10:21:02,940 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 10:21:03,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 10:21:03,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 10:21:03,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 10:21:03,154 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 10:21:03,155 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 10:21:03,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2022-03-16 10:21:03,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ceb987af/40162a921f5f4af7ba155cc57b3cb553/FLAGea5e92d9d [2022-03-16 10:21:03,570 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 10:21:03,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2022-03-16 10:21:03,570 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-16 10:21:03,571 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-16 10:21:03,571 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-16 10:21:03,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ceb987af/40162a921f5f4af7ba155cc57b3cb553/FLAGea5e92d9d [2022-03-16 10:21:03,985 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ceb987af/40162a921f5f4af7ba155cc57b3cb553 [2022-03-16 10:21:03,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 10:21:03,990 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 10:21:03,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 10:21:03,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 10:21:03,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 10:21:03,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:21:03" (1/1) ... [2022-03-16 10:21:03,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@801dcce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:21:03, skipping insertion in model container [2022-03-16 10:21:03,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:21:03" (1/1) ... [2022-03-16 10:21:04,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 10:21:04,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 10:21:04,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 10:21:04,194 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 10:21:04,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 10:21:04,217 INFO L208 MainTranslator]: Completed translation [2022-03-16 10:21:04,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:21:04 WrapperNode [2022-03-16 10:21:04,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 10:21:04,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 10:21:04,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 10:21:04,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 10:21:04,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:21:04" (1/1) ... [2022-03-16 10:21:04,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:21:04" (1/1) ... [2022-03-16 10:21:04,249 INFO L137 Inliner]: procedures = 9, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-03-16 10:21:04,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 10:21:04,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 10:21:04,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 10:21:04,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 10:21:04,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:21:04" (1/1) ... [2022-03-16 10:21:04,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:21:04" (1/1) ... [2022-03-16 10:21:04,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:21:04" (1/1) ... [2022-03-16 10:21:04,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:21:04" (1/1) ... [2022-03-16 10:21:04,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:21:04" (1/1) ... [2022-03-16 10:21:04,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:21:04" (1/1) ... [2022-03-16 10:21:04,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:21:04" (1/1) ... [2022-03-16 10:21:04,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 10:21:04,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 10:21:04,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 10:21:04,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 10:21:04,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:21:04" (1/1) ... [2022-03-16 10:21:04,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 10:21:04,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:21:04,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 10:21:04,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 10:21:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 10:21:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-16 10:21:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 10:21:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 10:21:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-16 10:21:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 10:21:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2022-03-16 10:21:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2022-03-16 10:21:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 10:21:04,358 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 10:21:04,426 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 10:21:04,427 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 10:21:04,538 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 10:21:04,544 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 10:21:04,544 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-16 10:21:04,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:21:04 BoogieIcfgContainer [2022-03-16 10:21:04,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 10:21:04,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 10:21:04,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 10:21:04,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 10:21:04,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 10:21:03" (1/3) ... [2022-03-16 10:21:04,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f69463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:21:04, skipping insertion in model container [2022-03-16 10:21:04,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:21:04" (2/3) ... [2022-03-16 10:21:04,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f69463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:21:04, skipping insertion in model container [2022-03-16 10:21:04,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:21:04" (3/3) ... [2022-03-16 10:21:04,552 INFO L111 eAbstractionObserver]: Analyzing ICFG globalVariableMultipleThreads.c [2022-03-16 10:21:04,557 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 10:21:04,557 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 10:21:04,557 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 10:21:04,557 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 10:21:04,591 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,591 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,591 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,591 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,592 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,592 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,592 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,592 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,592 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,593 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,593 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,593 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,593 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,593 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,593 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,594 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,594 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,594 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,595 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,595 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,595 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,595 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,596 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,596 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,596 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,596 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,596 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,601 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,601 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,602 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,602 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,602 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,602 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,603 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,603 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,603 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,604 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,604 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,604 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,604 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,604 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,605 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,608 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,608 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,609 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,609 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,609 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,609 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,609 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,609 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,609 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,610 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,610 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,610 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:04,614 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-16 10:21:04,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 10:21:04,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:21:04,678 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 10:21:04,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 10:21:04,702 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 10:21:04,708 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-16 10:21:04,708 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-16 10:21:04,759 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 63 transitions and produced 64 states. [2022-03-16 10:21:04,761 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting myThreadErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-03-16 10:21:04,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:21:04,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1142084012, now seen corresponding path program 1 times [2022-03-16 10:21:04,774 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:21:04,775 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065790921] [2022-03-16 10:21:04,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:21:04,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:21:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:21:05,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 10:21:05,059 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:21:05,059 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065790921] [2022-03-16 10:21:05,060 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065790921] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 10:21:05,060 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 10:21:05,061 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-16 10:21:05,062 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668487980] [2022-03-16 10:21:05,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 10:21:05,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 10:21:05,069 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:21:05,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 10:21:05,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-16 10:21:05,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:21:05,097 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:21:05,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 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) [2022-03-16 10:21:05,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:21:05,193 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 179 transitions and produced 146 states. [2022-03-16 10:21:05,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 10:21:05,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 10:21:05,198 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-03-16 10:21:05,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:21:05,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1949619362, now seen corresponding path program 1 times [2022-03-16 10:21:05,205 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:21:05,205 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892473282] [2022-03-16 10:21:05,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:21:05,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:21:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 10:21:05,283 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-16 10:21:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 10:21:05,351 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-16 10:21:05,352 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-16 10:21:05,353 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 3 remaining) [2022-03-16 10:21:05,355 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (1 of 3 remaining) [2022-03-16 10:21:05,356 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (0 of 3 remaining) [2022-03-16 10:21:05,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 10:21:05,363 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-16 10:21:05,364 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-16 10:21:05,364 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-03-16 10:21:05,388 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,389 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,389 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,389 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,389 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,389 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,389 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,389 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,390 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,390 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,390 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,390 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,390 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,390 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,390 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,390 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,391 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,391 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,391 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,391 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,391 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,391 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,392 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,393 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,393 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,393 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,393 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,393 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,393 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,393 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,394 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,394 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,394 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,394 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,394 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,395 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,395 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,395 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,395 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,395 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,395 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,395 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,396 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,396 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,397 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,397 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,397 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,397 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,397 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,397 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,397 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,397 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,397 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,398 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,398 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,398 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,398 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,398 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,398 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,398 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,399 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,399 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,399 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,399 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,400 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,400 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,400 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,401 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,401 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,401 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,401 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,401 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,401 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,402 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,402 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,402 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,403 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,403 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,404 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,404 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,404 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,404 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,404 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,405 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,408 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,408 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,408 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,408 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,408 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,409 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,409 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,409 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,409 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,409 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,409 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,409 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,410 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,410 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,410 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,410 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,410 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,411 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,411 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,411 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,411 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,411 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,411 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,412 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:21:05,422 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-16 10:21:05,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 10:21:05,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:21:05,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 10:21:05,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-03-16 10:21:05,477 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 10:21:05,478 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-16 10:21:05,478 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 10:21:05,488 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 63 transitions and produced 64 states. [2022-03-16 10:21:05,489 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting myThreadErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-03-16 10:21:05,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:21:05,489 INFO L85 PathProgramCache]: Analyzing trace with hash 863289440, now seen corresponding path program 1 times [2022-03-16 10:21:05,489 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:21:05,489 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239284231] [2022-03-16 10:21:05,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:21:05,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:21:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:21:05,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 10:21:05,584 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:21:05,584 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239284231] [2022-03-16 10:21:05,584 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239284231] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 10:21:05,584 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 10:21:05,585 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-16 10:21:05,585 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630684150] [2022-03-16 10:21:05,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 10:21:05,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 10:21:05,585 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:21:05,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 10:21:05,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-16 10:21:05,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:21:05,586 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:21:05,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 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) [2022-03-16 10:21:05,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:21:05,691 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 239 transitions and produced 206 states. [2022-03-16 10:21:05,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 10:21:05,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-16 10:21:05,692 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting myThreadErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-03-16 10:21:05,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:21:05,693 INFO L85 PathProgramCache]: Analyzing trace with hash -446158857, now seen corresponding path program 1 times [2022-03-16 10:21:05,693 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:21:05,693 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278816094] [2022-03-16 10:21:05,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:21:05,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:21:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:21:06,129 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:21:06,129 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:21:06,129 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278816094] [2022-03-16 10:21:06,133 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278816094] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 10:21:06,133 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36702156] [2022-03-16 10:21:06,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:21:06,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:21:06,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:21:06,136 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 10:21:06,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 10:21:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:21:06,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-16 10:21:06,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:21:06,318 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-16 10:21:06,334 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-16 10:21:06,334 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-03-16 10:21:06,371 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-16 10:21:06,433 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-03-16 10:21:06,595 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-03-16 10:21:06,657 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-03-16 10:21:06,816 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-03-16 10:21:06,842 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-03-16 10:21:06,882 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:21:06,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:21:07,037 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_67 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 1)) is different from false [2022-03-16 10:21:07,093 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_66 Int)) (or (<= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_66)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) (not (<= v_ArrVal_66 (+ |c_ULTIMATE.start_main_#t~post7#1| 1))))) is different from false [2022-03-16 10:21:07,109 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_66 Int)) (or (<= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_66)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) (< (+ |c_ULTIMATE.start_main_#t~mem6#1| 1) v_ArrVal_66))) is different from false [2022-03-16 10:21:07,130 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_66 Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base|))) (or (<= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_66)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) (< (+ (select .cse0 |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) v_ArrVal_66)))) is different from false [2022-03-16 10:21:07,195 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_66 Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_64))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~#i~0#1.base|))) (or (<= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#i~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_66)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) (< (+ (select .cse1 |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) v_ArrVal_66))))) is different from false [2022-03-16 10:21:07,288 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 10:21:07,289 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 45 [2022-03-16 10:21:07,294 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 71 [2022-03-16 10:21:07,300 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2022-03-16 10:21:07,306 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2022-03-16 10:21:07,363 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 18 not checked. [2022-03-16 10:21:07,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36702156] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:21:07,364 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 10:21:07,364 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 14] total 31 [2022-03-16 10:21:07,364 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298171978] [2022-03-16 10:21:07,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 10:21:07,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-16 10:21:07,366 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:21:07,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-16 10:21:07,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=530, Unknown=5, NotChecked=260, Total=930 [2022-03-16 10:21:07,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:21:07,370 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:21:07,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.096774193548387) internal successors, (158), 31 states have internal predecessors, (158), 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) [2022-03-16 10:21:07,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 10:21:07,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:21:12,165 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 154 transitions and produced 155 states. [2022-03-16 10:21:12,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 10:21:12,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 10:21:12,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 10:21:12,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:21:12,383 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting myThreadErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-03-16 10:21:12,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:21:12,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1003066077, now seen corresponding path program 1 times [2022-03-16 10:21:12,384 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:21:12,384 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374698586] [2022-03-16 10:21:12,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:21:12,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:21:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 10:21:12,410 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-16 10:21:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 10:21:12,437 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-16 10:21:12,438 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-16 10:21:12,438 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location myThreadErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 10:21:12,438 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 10:21:12,438 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (1 of 4 remaining) [2022-03-16 10:21:12,438 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (0 of 4 remaining) [2022-03-16 10:21:12,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-16 10:21:12,439 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-16 10:21:12,443 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2022-03-16 10:21:12,443 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 10:21:12,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:21:12 BasicIcfg [2022-03-16 10:21:12,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 10:21:12,531 INFO L158 Benchmark]: Toolchain (without parser) took 8540.21ms. Allocated memory was 196.1MB in the beginning and 244.3MB in the end (delta: 48.2MB). Free memory was 138.5MB in the beginning and 208.8MB in the end (delta: -70.3MB). Peak memory consumption was 114.0MB. Max. memory is 8.0GB. [2022-03-16 10:21:12,531 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 156.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 10:21:12,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.71ms. Allocated memory was 196.1MB in the beginning and 244.3MB in the end (delta: 48.2MB). Free memory was 138.4MB in the beginning and 215.3MB in the end (delta: -76.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-03-16 10:21:12,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.21ms. Allocated memory is still 244.3MB. Free memory was 215.0MB in the beginning and 213.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 10:21:12,532 INFO L158 Benchmark]: Boogie Preprocessor took 26.86ms. Allocated memory is still 244.3MB. Free memory was 213.5MB in the beginning and 212.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 10:21:12,532 INFO L158 Benchmark]: RCFGBuilder took 267.81ms. Allocated memory is still 244.3MB. Free memory was 212.4MB in the beginning and 201.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-16 10:21:12,532 INFO L158 Benchmark]: TraceAbstraction took 7983.08ms. Allocated memory is still 244.3MB. Free memory was 200.9MB in the beginning and 208.8MB in the end (delta: -7.9MB). Peak memory consumption was 128.4MB. Max. memory is 8.0GB. [2022-03-16 10:21:12,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 156.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 227.71ms. Allocated memory was 196.1MB in the beginning and 244.3MB in the end (delta: 48.2MB). Free memory was 138.4MB in the beginning and 215.3MB in the end (delta: -76.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.21ms. Allocated memory is still 244.3MB. Free memory was 215.0MB in the beginning and 213.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.86ms. Allocated memory is still 244.3MB. Free memory was 213.5MB in the beginning and 212.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 267.81ms. Allocated memory is still 244.3MB. Free memory was 212.4MB in the beginning and 201.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 7983.08ms. Allocated memory is still 244.3MB. Free memory was 200.9MB in the beginning and 208.8MB in the end (delta: -7.9MB). Peak memory consumption was 128.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 25]: assertion can be violated assertion can be violated We found a FailurePath: [L15] 0 int g = 0; VAL [g=0] [L21] 0 static int s = 0; VAL [g=0, s=0] [L30] 0 int i; VAL [g=0, i={5:0}, s=0] [L31] 0 pthread_t tid; VAL [g=0, i={5:0}, s=0, tid={3:0}] [L34] 0 i = 0 VAL [g=0, i={5:0}, s=0, tid={3:0}] [L34] EXPR 0 \read(i) VAL [\read(i)=0, g=0, i={5:0}, s=0, tid={3:0}] [L34] COND TRUE 0 i < 3 VAL [\read(i)=0, g=0, i={5:0}, s=0, tid={3:0}] [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [g=0, i={5:0}, pthread_create(&tid, NULL, myThread, (void *)&i)=-2, s=0, tid={3:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [\read(i)=0, g=0, i={5:0}, s=0, tid={3:0}, vargp={5:0}] [L34] 0 i++ VAL [\read(i)=0, g=0, i={5:0}, i++=0, s=0, tid={3:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [\read(i)=1, g=0, i={5:0}, s=0, tid={3:0}, vargp={5:0}] [L34] COND TRUE 0 i < 3 VAL [\read(i)=1, g=0, i={5:0}, s=0, tid={3:0}, vargp={5:0}] [L20] 1 int *myid = (int *)vargp; VAL [g=0, myid={5:0}, s=0, vargp={5:0}, vargp={5:0}] [L22] 1 ++s VAL [g=0, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L22] 1 ++g VAL [g=1, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L24] 1 \read(*myid) VAL [\read(*myid)=1, g=1, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L24] 1 ++s VAL [++s=2, \read(*myid)=1, g=1, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L24] 1 ++g VAL [++g=2, ++s=2, \read(*myid)=1, g=2, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L25] 1 CodeAnnotStmt[Assertion] VAL [g=2, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [g=2, i={5:0}, myid={5:0}, pthread_create(&tid, NULL, myThread, (void *)&i)=-1, s=2, tid={3:0}, vargp={5:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [\read(i)=1, g=2, i={5:0}, myid={5:0}, s=2, tid={3:0}, vargp={5:0}, vargp={5:0}] [L34] 0 i++ VAL [\read(i)=1, g=2, i={5:0}, i++=1, myid={5:0}, s=2, tid={3:0}, vargp={5:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [\read(i)=2, g=2, i={5:0}, myid={5:0}, s=2, tid={3:0}, vargp={5:0}, vargp={5:0}] [L34] COND TRUE 0 i < 3 VAL [\read(i)=2, g=2, i={5:0}, myid={5:0}, s=2, tid={3:0}, vargp={5:0}, vargp={5:0}] [L20] 2 int *myid = (int *)vargp; VAL [g=2, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L22] 2 ++s VAL [g=2, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] [L22] 2 ++g VAL [g=3, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] [L24] 2 \read(*myid) VAL [\read(*myid)=2, g=3, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] [L24] 2 ++s VAL [++s=4, \read(*myid)=2, g=3, myid={5:0}, s=4, vargp={5:0}, vargp={5:0}] [L24] 2 ++g VAL [++g=4, ++s=4, \read(*myid)=2, g=4, myid={5:0}, s=4, vargp={5:0}, vargp={5:0}] [L25] 2 CodeAnnotStmt[Assertion] VAL [g=4, myid={5:0}, s=4, vargp={5:0}, vargp={5:0}] - UnprovableResult [Line: 35]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 105 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 4.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 295 ConstructedInterpolants, 20 QuantifiedInterpolants, 2031 SizeOfPredicates, 10 NumberOfNonLiveVariables, 187 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2/56 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 RESULT: Ultimate proved your program to be incorrect! [2022-03-16 10:21:12,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-03-16 10:21:12,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-16 10:21:12,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...