/usr/bin/java -Xmx16000000000 -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-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/pthreadMutex01-safe.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-01 23:28:23,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-01 23:28:23,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-01 23:28:23,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-01 23:28:23,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-01 23:28:23,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-01 23:28:23,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-01 23:28:23,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-01 23:28:23,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-01 23:28:23,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-01 23:28:23,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-01 23:28:23,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-01 23:28:23,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-01 23:28:23,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-01 23:28:23,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-01 23:28:23,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-01 23:28:23,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-01 23:28:23,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-01 23:28:23,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-01 23:28:23,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-01 23:28:23,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-01 23:28:23,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-01 23:28:23,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-01 23:28:23,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-01 23:28:23,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-01 23:28:23,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-01 23:28:23,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-01 23:28:23,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-01 23:28:23,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-01 23:28:23,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-01 23:28:23,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-01 23:28:23,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-01 23:28:23,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-01 23:28:23,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-01 23:28:23,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-01 23:28:23,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-01 23:28:23,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-01 23:28:23,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-01 23:28:23,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-01 23:28:23,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-01 23:28:23,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-01 23:28:23,236 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-POR-DelaySleep-NoLbe.epf [2021-06-01 23:28:23,272 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-01 23:28:23,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-01 23:28:23,273 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-01 23:28:23,273 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-01 23:28:23,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-01 23:28:23,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-01 23:28:23,276 INFO L138 SettingsManager]: * Use SBE=true [2021-06-01 23:28:23,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-01 23:28:23,277 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-01 23:28:23,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-01 23:28:23,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-01 23:28:23,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-01 23:28:23,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-01 23:28:23,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-01 23:28:23,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-01 23:28:23,278 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-01 23:28:23,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-01 23:28:23,278 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-01 23:28:23,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-01 23:28:23,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-01 23:28:23,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-01 23:28:23,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-01 23:28:23,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-01 23:28:23,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 23:28:23,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-01 23:28:23,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-01 23:28:23,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-01 23:28:23,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-01 23:28:23,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-01 23:28:23,280 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-01 23:28:23,280 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-01 23:28:23,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-01 23:28:23,281 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-01 23:28:23,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-01 23:28:23,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-01 23:28:23,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-01 23:28:23,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-01 23:28:23,621 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-01 23:28:23,622 INFO L275 PluginConnector]: CDTParser initialized [2021-06-01 23:28:23,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/pthreadMutex01-safe.c [2021-06-01 23:28:23,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c1026fd8/61f3caef18c8433e828f8d0c8da800b8/FLAG52d51ef12 [2021-06-01 23:28:24,117 INFO L306 CDTParser]: Found 1 translation units. [2021-06-01 23:28:24,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/pthreadMutex01-safe.c [2021-06-01 23:28:24,118 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-01 23:28:24,118 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-01 23:28:24,149 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c1026fd8/61f3caef18c8433e828f8d0c8da800b8/FLAG52d51ef12 [2021-06-01 23:28:24,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c1026fd8/61f3caef18c8433e828f8d0c8da800b8 [2021-06-01 23:28:24,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-01 23:28:24,180 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-01 23:28:24,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-01 23:28:24,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-01 23:28:24,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-01 23:28:24,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 11:28:24" (1/1) ... [2021-06-01 23:28:24,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67edc540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:24, skipping insertion in model container [2021-06-01 23:28:24,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 11:28:24" (1/1) ... [2021-06-01 23:28:24,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-01 23:28:24,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-01 23:28:24,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 23:28:24,369 INFO L203 MainTranslator]: Completed pre-run [2021-06-01 23:28:24,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 23:28:24,402 INFO L208 MainTranslator]: Completed translation [2021-06-01 23:28:24,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:24 WrapperNode [2021-06-01 23:28:24,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-01 23:28:24,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-01 23:28:24,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-01 23:28:24,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-01 23:28:24,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:24" (1/1) ... [2021-06-01 23:28:24,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:24" (1/1) ... [2021-06-01 23:28:24,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-01 23:28:24,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-01 23:28:24,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-01 23:28:24,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-01 23:28:24,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:24" (1/1) ... [2021-06-01 23:28:24,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:24" (1/1) ... [2021-06-01 23:28:24,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:24" (1/1) ... [2021-06-01 23:28:24,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:24" (1/1) ... [2021-06-01 23:28:24,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:24" (1/1) ... [2021-06-01 23:28:24,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:24" (1/1) ... [2021-06-01 23:28:24,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:24" (1/1) ... [2021-06-01 23:28:24,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-01 23:28:24,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-01 23:28:24,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-01 23:28:24,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-01 23:28:24,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 23:28:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-06-01 23:28:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-01 23:28:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-01 23:28:24,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-01 23:28:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-01 23:28:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-01 23:28:24,686 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-01 23:28:24,687 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-01 23:28:24,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 11:28:24 BoogieIcfgContainer [2021-06-01 23:28:24,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-01 23:28:24,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-01 23:28:24,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-01 23:28:24,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-01 23:28:24,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.06 11:28:24" (1/3) ... [2021-06-01 23:28:24,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5a6cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 11:28:24, skipping insertion in model container [2021-06-01 23:28:24,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:24" (2/3) ... [2021-06-01 23:28:24,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5a6cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 11:28:24, skipping insertion in model container [2021-06-01 23:28:24,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 11:28:24" (3/3) ... [2021-06-01 23:28:24,693 INFO L111 eAbstractionObserver]: Analyzing ICFG pthreadMutex01-safe.c [2021-06-01 23:28:24,698 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-01 23:28:24,698 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-01 23:28:24,715 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-01 23:28:24,760 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 23:28:24,761 INFO L379 AbstractCegarLoop]: Hoare is true [2021-06-01 23:28:24,761 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 23:28:24,761 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 23:28:24,761 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 23:28:24,761 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 23:28:24,761 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 23:28:24,762 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-01 23:28:24,776 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2021-06-01 23:28:24,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 23:28:24,785 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-06-01 23:28:24,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 23:28:24,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816402553] [2021-06-01 23:28:24,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 23:28:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 23:28:24,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 23:28:24,957 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 23:28:24,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816402553] [2021-06-01 23:28:24,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816402553] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 23:28:24,958 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 23:28:24,958 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-01 23:28:24,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771307533] [2021-06-01 23:28:24,960 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-01 23:28:24,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 23:28:24,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-01 23:28:24,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-01 23:28:24,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:28:24,989 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 23:28:24,990 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 23:28:24,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:28:24,992 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-01 23:28:24,992 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate cannot be cast to class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate (de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate and de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @1c93f6e1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop$InformationStorageFactory.intersection(PartialOrderCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop$InformationStorageFactory.intersection(PartialOrderCegarLoop.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.InformationStorage.createProductState(InformationStorage.java:72) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.getOrConstructState(ProductNwa.java:123) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.constructInitialState(ProductNwa.java:108) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.getInitialStates(ProductNwa.java:142) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.(SleepSetDelayReduction.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:204) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:364) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-06-01 23:28:24,996 INFO L168 Benchmark]: Toolchain (without parser) took 814.99 ms. Allocated memory is still 343.9 MB. Free memory was 305.3 MB in the beginning and 291.4 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.0 GB. [2021-06-01 23:28:24,996 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 343.9 MB. Free memory is still 323.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 23:28:24,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.27 ms. Allocated memory is still 343.9 MB. Free memory was 305.1 MB in the beginning and 325.9 MB in the end (delta: -20.7 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-06-01 23:28:24,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.75 ms. Allocated memory is still 343.9 MB. Free memory was 325.9 MB in the beginning and 325.0 MB in the end (delta: 905.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 23:28:24,998 INFO L168 Benchmark]: Boogie Preprocessor took 24.20 ms. Allocated memory is still 343.9 MB. Free memory was 325.0 MB in the beginning and 323.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-01 23:28:25,006 INFO L168 Benchmark]: RCFGBuilder took 232.44 ms. Allocated memory is still 343.9 MB. Free memory was 323.9 MB in the beginning and 309.6 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-01 23:28:25,007 INFO L168 Benchmark]: TraceAbstraction took 305.45 ms. Allocated memory is still 343.9 MB. Free memory was 309.6 MB in the beginning and 291.4 MB in the end (delta: 18.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-01 23:28:25,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 343.9 MB. Free memory is still 323.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 221.27 ms. Allocated memory is still 343.9 MB. Free memory was 305.1 MB in the beginning and 325.9 MB in the end (delta: -20.7 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.75 ms. Allocated memory is still 343.9 MB. Free memory was 325.9 MB in the beginning and 325.0 MB in the end (delta: 905.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 24.20 ms. Allocated memory is still 343.9 MB. Free memory was 325.0 MB in the beginning and 323.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 232.44 ms. Allocated memory is still 343.9 MB. Free memory was 323.9 MB in the beginning and 309.6 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 305.45 ms. Allocated memory is still 343.9 MB. Free memory was 309.6 MB in the beginning and 291.4 MB in the end (delta: 18.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate cannot be cast to class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate (de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate and de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @1c93f6e1) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ClassCastException: class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate cannot be cast to class de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate (de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.SPredicate and de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IMLPredicate are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @1c93f6e1): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop$InformationStorageFactory.intersection(PartialOrderCegarLoop.java:402) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...