/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 03:04:13,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 03:04:13,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 03:04:13,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 03:04:13,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 03:04:13,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 03:04:13,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 03:04:13,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 03:04:13,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 03:04:13,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 03:04:13,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 03:04:13,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 03:04:13,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 03:04:13,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 03:04:13,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 03:04:13,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 03:04:13,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 03:04:13,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 03:04:13,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 03:04:13,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 03:04:13,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 03:04:13,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 03:04:13,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 03:04:13,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 03:04:13,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 03:04:13,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 03:04:13,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 03:04:13,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 03:04:13,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 03:04:13,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 03:04:13,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 03:04:13,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 03:04:13,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 03:04:13,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 03:04:13,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 03:04:13,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 03:04:13,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 03:04:13,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 03:04:13,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 03:04:13,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 03:04:13,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 03:04:13,222 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.epf [2022-02-20 03:04:13,245 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 03:04:13,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 03:04:13,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 03:04:13,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 03:04:13,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 03:04:13,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 03:04:13,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 03:04:13,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 03:04:13,247 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 03:04:13,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 03:04:13,247 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 03:04:13,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 03:04:13,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 03:04:13,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 03:04:13,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 03:04:13,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 03:04:13,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 03:04:13,248 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 03:04:13,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 03:04:13,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 03:04:13,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 03:04:13,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 03:04:13,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 03:04:13,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 03:04:13,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 03:04:13,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 03:04:13,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 03:04:13,249 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 03:04:13,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 03:04:13,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 03:04:13,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 03:04:13,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 03:04:13,249 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 03:04:13,249 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 03:04:13,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 03:04:13,250 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-20 03:04:13,250 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 03:04:13,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 03:04:13,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 03:04:13,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 03:04:13,434 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 03:04:13,435 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 03:04:13,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2022-02-20 03:04:13,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b0bb22c7/8190f99d9d224c4d9ee75f5b3c5526cd/FLAGcf5cf32eb [2022-02-20 03:04:13,819 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 03:04:13,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2022-02-20 03:04:13,820 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-20 03:04:13,820 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-20 03:04:13,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b0bb22c7/8190f99d9d224c4d9ee75f5b3c5526cd/FLAGcf5cf32eb [2022-02-20 03:04:13,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b0bb22c7/8190f99d9d224c4d9ee75f5b3c5526cd [2022-02-20 03:04:13,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 03:04:13,862 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-20 03:04:13,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 03:04:13,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 03:04:13,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 03:04:13,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 03:04:13" (1/1) ... [2022-02-20 03:04:13,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1826e0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:13, skipping insertion in model container [2022-02-20 03:04:13,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 03:04:13" (1/1) ... [2022-02-20 03:04:13,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 03:04:13,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 03:04:14,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 03:04:14,079 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 03:04:14,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 03:04:14,103 INFO L208 MainTranslator]: Completed translation [2022-02-20 03:04:14,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:14 WrapperNode [2022-02-20 03:04:14,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 03:04:14,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 03:04:14,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 03:04:14,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 03:04:14,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:14" (1/1) ... [2022-02-20 03:04:14,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:14" (1/1) ... [2022-02-20 03:04:14,137 INFO L137 Inliner]: procedures = 13, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2022-02-20 03:04:14,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 03:04:14,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 03:04:14,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 03:04:14,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 03:04:14,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:14" (1/1) ... [2022-02-20 03:04:14,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:14" (1/1) ... [2022-02-20 03:04:14,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:14" (1/1) ... [2022-02-20 03:04:14,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:14" (1/1) ... [2022-02-20 03:04:14,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:14" (1/1) ... [2022-02-20 03:04:14,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:14" (1/1) ... [2022-02-20 03:04:14,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:14" (1/1) ... [2022-02-20 03:04:14,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 03:04:14,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 03:04:14,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 03:04:14,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 03:04:14,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:14" (1/1) ... [2022-02-20 03:04:14,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 03:04:14,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:04:14,213 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) [2022-02-20 03:04:14,235 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 [2022-02-20 03:04:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 03:04:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 03:04:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 03:04:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure increment [2022-02-20 03:04:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure increment [2022-02-20 03:04:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 03:04:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 03:04:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 03:04:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 03:04:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 03:04:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 03:04:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 03:04:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 03:04:14,254 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 03:04:14,329 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 03:04:14,330 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 03:04:14,517 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 03:04:14,522 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 03:04:14,522 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 03:04:14,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 03:04:14 BoogieIcfgContainer [2022-02-20 03:04:14,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 03:04:14,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 03:04:14,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 03:04:14,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 03:04:14,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 03:04:13" (1/3) ... [2022-02-20 03:04:14,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e85536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 03:04:14, skipping insertion in model container [2022-02-20 03:04:14,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:14" (2/3) ... [2022-02-20 03:04:14,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e85536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 03:04:14, skipping insertion in model container [2022-02-20 03:04:14,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 03:04:14" (3/3) ... [2022-02-20 03:04:14,528 INFO L111 eAbstractionObserver]: Analyzing ICFG forkJoinNotMod.c [2022-02-20 03:04:14,531 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 03:04:14,532 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 03:04:14,532 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-20 03:04:14,532 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 03:04:14,554 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,554 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,556 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,556 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,557 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,557 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,557 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,557 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,557 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,557 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,557 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,558 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,558 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,558 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,558 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,558 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,558 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,558 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,559 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,559 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,559 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,559 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,559 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,559 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,559 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,559 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,560 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,560 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,560 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,560 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,560 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,560 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,560 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,560 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,560 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,560 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,561 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,561 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,561 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,561 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,561 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,561 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,561 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,561 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,561 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,561 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,561 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,562 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,562 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,562 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,562 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,562 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,562 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,562 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,562 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,562 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,562 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,562 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,563 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,563 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,563 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,563 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,563 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,563 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,563 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,564 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,564 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,564 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,564 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,564 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,564 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,564 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,564 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,564 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,564 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,564 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,565 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,565 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,565 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,565 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,565 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,565 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,565 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,565 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,565 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,565 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,566 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,566 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,566 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,566 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,566 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,566 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,566 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,566 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,566 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,566 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,567 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,567 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,567 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,567 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,568 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,568 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,568 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,569 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,569 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,569 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,569 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,569 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,569 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,569 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,569 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,569 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,569 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,570 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,570 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,570 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,570 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,570 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,570 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,571 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,571 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,571 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,571 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,571 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,571 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,571 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,572 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,572 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,572 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,572 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,572 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,572 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,573 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,573 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,573 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,573 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,573 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,575 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,575 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,575 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,579 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,579 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,579 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,579 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,580 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,580 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,580 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,580 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,580 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,580 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,580 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,581 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,581 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,581 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,581 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,582 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,582 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,582 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,582 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,582 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,583 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,583 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,583 WARN L322 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 03:04:14,588 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-20 03:04:14,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 03:04:14,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:04:14,628 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) [2022-02-20 03:04:14,629 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 [2022-02-20 03:04:14,646 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 03:04:14,650 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=true, mMcrOverapproximateWrwc=true [2022-02-20 03:04:14,650 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-20 03:04:14,678 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 33 transitions and produced 34 states. [2022-02-20 03:04:14,679 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (and 2 more)] === [2022-02-20 03:04:14,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:04:14,682 INFO L85 PathProgramCache]: Analyzing trace with hash 2077102797, now seen corresponding path program 1 times [2022-02-20 03:04:14,687 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:04:14,688 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185533798] [2022-02-20 03:04:14,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:04:14,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:04:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:04:14,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:04:14,940 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:04:14,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185533798] [2022-02-20 03:04:14,941 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185533798] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 03:04:14,941 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 03:04:14,941 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 03:04:14,942 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148900872] [2022-02-20 03:04:14,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 03:04:14,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 03:04:14,945 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:04:14,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 03:04:14,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-02-20 03:04:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:04:14,960 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:04:14,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 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) [2022-02-20 03:04:14,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:04:15,031 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 38 transitions and produced 39 states. [2022-02-20 03:04:15,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 03:04:15,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 03:04:15,032 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (and 2 more)] === [2022-02-20 03:04:15,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:04:15,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1064000268, now seen corresponding path program 1 times [2022-02-20 03:04:15,033 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:04:15,033 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806202688] [2022-02-20 03:04:15,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:04:15,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:04:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:04:15,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:04:15,116 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:04:15,116 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806202688] [2022-02-20 03:04:15,116 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806202688] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 03:04:15,116 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 03:04:15,116 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 03:04:15,116 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825867076] [2022-02-20 03:04:15,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 03:04:15,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 03:04:15,117 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:04:15,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 03:04:15,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 03:04:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:04:15,118 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:04:15,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-02-20 03:04:15,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-20 03:04:15,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:04:15,196 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 80 transitions and produced 81 states. [2022-02-20 03:04:15,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 03:04:15,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 03:04:15,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 03:04:15,197 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (and 2 more)] === [2022-02-20 03:04:15,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:04:15,197 INFO L85 PathProgramCache]: Analyzing trace with hash 942255151, now seen corresponding path program 1 times [2022-02-20 03:04:15,197 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:04:15,197 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285167820] [2022-02-20 03:04:15,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:04:15,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:04:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 03:04:15,280 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 03:04:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 03:04:15,355 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 03:04:15,355 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 03:04:15,356 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-02-20 03:04:15,358 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 5 remaining) [2022-02-20 03:04:15,358 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (2 of 5 remaining) [2022-02-20 03:04:15,358 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONASSERT (1 of 5 remaining) [2022-02-20 03:04:15,358 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 5 remaining) [2022-02-20 03:04:15,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 03:04:15,367 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-20 03:04:15,371 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 03:04:15,371 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 03:04:15,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 03:04:15 BasicIcfg [2022-02-20 03:04:15,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 03:04:15,417 INFO L158 Benchmark]: Toolchain (without parser) took 1554.85ms. Allocated memory was 181.4MB in the beginning and 224.4MB in the end (delta: 43.0MB). Free memory was 130.5MB in the beginning and 174.7MB in the end (delta: -44.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 03:04:15,418 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 181.4MB. Free memory is still 149.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 03:04:15,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.46ms. Allocated memory is still 181.4MB. Free memory was 130.3MB in the beginning and 156.1MB in the end (delta: -25.8MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. [2022-02-20 03:04:15,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.16ms. Allocated memory is still 181.4MB. Free memory was 156.1MB in the beginning and 154.7MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 03:04:15,419 INFO L158 Benchmark]: Boogie Preprocessor took 30.29ms. Allocated memory is still 181.4MB. Free memory was 154.7MB in the beginning and 153.5MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 03:04:15,419 INFO L158 Benchmark]: RCFGBuilder took 354.98ms. Allocated memory is still 181.4MB. Free memory was 153.5MB in the beginning and 141.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-20 03:04:15,419 INFO L158 Benchmark]: TraceAbstraction took 892.41ms. Allocated memory was 181.4MB in the beginning and 224.4MB in the end (delta: 43.0MB). Free memory was 140.9MB in the beginning and 174.7MB in the end (delta: -33.8MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. [2022-02-20 03:04:15,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 181.4MB. Free memory is still 149.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 240.46ms. Allocated memory is still 181.4MB. Free memory was 130.3MB in the beginning and 156.1MB in the end (delta: -25.8MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.16ms. Allocated memory is still 181.4MB. Free memory was 156.1MB in the beginning and 154.7MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.29ms. Allocated memory is still 181.4MB. Free memory was 154.7MB in the beginning and 153.5MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 354.98ms. Allocated memory is still 181.4MB. Free memory was 153.5MB in the beginning and 141.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 892.41ms. Allocated memory was 181.4MB in the beginning and 224.4MB in the end (delta: 43.0MB). Free memory was 140.9MB in the beginning and 174.7MB in the end (delta: -33.8MB). Peak memory consumption was 10.8MB. 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 - CounterExampleResult [Line: 38]: assertion can be violated assertion can be violated We found a FailurePath: [L14] 0 int globVar; VAL [globVar={7:0}] [L27] 0 int locVar = 7; VAL [globVar={7:0}, locVar=7] [L28] 0 globVar = 0 VAL [globVar={7:0}, locVar=7] [L30] 0 pthread_t thread_id; VAL [globVar={7:0}, locVar=7, thread_id={17:0}] [L32] FCALL, FORK 0 pthread_create(&thread_id, NULL, increment, &globVar) VAL [globVar={7:0}, locVar=7, n={7:0}, pthread_create(&thread_id, NULL, increment, &globVar)=-1, thread_id={17:0}] [L33] FCALL 0 IdentifierExpression[globVar] VAL [#t~mem14=0, globVar={7:0}, locVar=7, n={7:0}, thread_id={17:0}] [L33] 0 CodeAnnotStmt[Assertion] VAL [#t~mem14=0, globVar={7:0}, locVar=7, n={7:0}, thread_id={17:0}] [L33] 0 IdentifierExpression[globVar] VAL [globVar={7:0}, locVar=7, n={7:0}, thread_id={17:0}] [L34] 0 CodeAnnotStmt[Assertion] VAL [globVar={7:0}, locVar=7, n={7:0}, thread_id={17:0}] [L35] 0 \read(thread_id) VAL [\read(thread_id)=-1, globVar={7:0}, locVar=7, n={7:0}, thread_id={17:0}] [L18] 1 int *result = (int *)n; VAL [globVar={7:0}, n={19:0}, n={7:0}, result={16:0}] [L18] EXPR 1 \read(*n) VAL [\read(*n)={7:0}, globVar={7:0}, n={7:0}, n={19:0}, result={16:0}] [L18] 1 int *result = (int *)n; VAL [\read(*n)={7:0}, globVar={7:0}, n={19:0}, n={7:0}, result={16:0}] [L19] EXPR 1 \read(*result) VAL [\read(*result)=0, \read(*result)={7:0}, globVar={7:0}, n={19:0}, n={7:0}, result={16:0}] [L19] 1 (*result)++ VAL [(*result)++=0, \read(*result)=0, \read(*result)={7:0}, globVar={7:0}, n={7:0}, n={19:0}, result={16:0}] [L20] 1 \read(*result) VAL [globVar={7:0}, n={19:0}, n={7:0}, result={16:0}] [L21] 1 \read(*result) VAL [globVar={7:0}, n={19:0}, n={7:0}, result={16:0}] [L23] EXPR 1 \read(*result) VAL [\read(*result)={7:0}, globVar={7:0}, n={7:0}, n={19:0}, result={16:0}] [L23] 1 return (void *)result; VAL [\read(*result)={7:0}, \result={7:0}, globVar={7:0}, n={7:0}, n={19:0}, result={16:0}] [L23] 1 return (void *)result; VAL [\result={7:0}, globVar={7:0}, n={7:0}, result={16:0}] [L18] 1 int *result = (int *)n; VAL [\result={7:0}, globVar={7:0}, n={7:0}, result={16:0}] [L23] 1 return (void *)result; VAL [\result={7:0}, globVar={7:0}, n={7:0}] [L35] FCALL, JOIN 1 pthread_join(thread_id, NULL) VAL [\read(thread_id)=-1, \result={7:0}, globVar={7:0}, locVar=7, n={7:0}, thread_id={17:0}] [L36] 0 \read(globVar) VAL [\result={7:0}, globVar={7:0}, locVar=7, n={7:0}, thread_id={17:0}] [L38] FCALL 0 IdentifierExpression[globVar] VAL [#t~mem19=1, \result={7:0}, globVar={7:0}, locVar=7, n={7:0}, thread_id={17:0}] [L38] 0 CodeAnnotStmt[Assertion] VAL [#t~mem19=1, \result={7:0}, globVar={7:0}, locVar=7, n={7:0}, thread_id={17:0}] - UnprovableResult [Line: 33]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 32]: 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, 117 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 237 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-20 03:04:15,455 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 [2022-02-20 03:04:15,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...