./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/stack-2.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread/stack-2.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 03:30:30,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 03:30:30,334 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 03:30:30,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 03:30:30,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 03:30:30,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 03:30:30,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 03:30:30,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 03:30:30,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 03:30:30,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 03:30:30,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 03:30:30,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 03:30:30,376 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 03:30:30,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 03:30:30,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 03:30:30,380 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 03:30:30,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 03:30:30,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 03:30:30,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 03:30:30,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 03:30:30,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 03:30:30,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 03:30:30,382 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 03:30:30,382 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 03:30:30,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 03:30:30,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 03:30:30,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 03:30:30,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 03:30:30,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 03:30:30,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 03:30:30,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 03:30:30,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 03:30:30,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 03:30:30,385 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 03:30:30,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 03:30:30,389 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 03:30:30,390 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 03:30:30,390 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 03:30:30,390 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 03:30:30,390 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 03:30:30,391 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 03:30:30,391 INFO L153 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/UGemCutter-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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Seed for random criterion -> 213 [2024-10-18 03:30:30,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 03:30:30,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 03:30:30,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 03:30:30,678 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 03:30:30,678 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 03:30:30,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2024-10-18 03:30:32,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 03:30:32,441 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 03:30:32,442 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2024-10-18 03:30:32,464 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4d941d291/b9e09975de51481881f5b98c869d3247/FLAG28052f561 [2024-10-18 03:30:32,477 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4d941d291/b9e09975de51481881f5b98c869d3247 [2024-10-18 03:30:32,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 03:30:32,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 03:30:32,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 03:30:32,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 03:30:32,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 03:30:32,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 03:30:32" (1/1) ... [2024-10-18 03:30:32,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e62f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:30:32, skipping insertion in model container [2024-10-18 03:30:32,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 03:30:32" (1/1) ... [2024-10-18 03:30:32,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 03:30:32,995 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i[41520,41533] [2024-10-18 03:30:33,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 03:30:33,041 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 03:30:33,089 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i[41520,41533] [2024-10-18 03:30:33,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 03:30:33,158 INFO L204 MainTranslator]: Completed translation [2024-10-18 03:30:33,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:30:33 WrapperNode [2024-10-18 03:30:33,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 03:30:33,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 03:30:33,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 03:30:33,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 03:30:33,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:30:33" (1/1) ... [2024-10-18 03:30:33,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:30:33" (1/1) ... [2024-10-18 03:30:33,232 INFO L138 Inliner]: procedures = 277, calls = 36, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 157 [2024-10-18 03:30:33,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 03:30:33,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 03:30:33,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 03:30:33,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 03:30:33,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:30:33" (1/1) ... [2024-10-18 03:30:33,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:30:33" (1/1) ... [2024-10-18 03:30:33,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:30:33" (1/1) ... [2024-10-18 03:30:33,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:30:33" (1/1) ... [2024-10-18 03:30:33,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:30:33" (1/1) ... [2024-10-18 03:30:33,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:30:33" (1/1) ... [2024-10-18 03:30:33,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:30:33" (1/1) ... [2024-10-18 03:30:33,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:30:33" (1/1) ... [2024-10-18 03:30:33,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 03:30:33,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 03:30:33,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 03:30:33,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 03:30:33,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:30:33" (1/1) ... [2024-10-18 03:30:33,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 03:30:33,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:30:33,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 03:30:33,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 03:30:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-10-18 03:30:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-10-18 03:30:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-10-18 03:30:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-10-18 03:30:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-18 03:30:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 03:30:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 03:30:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-18 03:30:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 03:30:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 03:30:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 03:30:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 03:30:33,356 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 03:30:33,479 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 03:30:33,481 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 03:30:33,730 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 03:30:33,731 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 03:30:33,998 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 03:30:33,999 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-18 03:30:33,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 03:30:33 BoogieIcfgContainer [2024-10-18 03:30:34,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 03:30:34,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 03:30:34,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 03:30:34,006 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 03:30:34,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 03:30:32" (1/3) ... [2024-10-18 03:30:34,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2211b0a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 03:30:34, skipping insertion in model container [2024-10-18 03:30:34,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:30:33" (2/3) ... [2024-10-18 03:30:34,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2211b0a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 03:30:34, skipping insertion in model container [2024-10-18 03:30:34,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 03:30:33" (3/3) ... [2024-10-18 03:30:34,011 INFO L112 eAbstractionObserver]: Analyzing ICFG stack-2.i [2024-10-18 03:30:34,029 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 03:30:34,029 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-18 03:30:34,031 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 03:30:34,102 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-18 03:30:34,155 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 03:30:34,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 03:30:34,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:30:34,158 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 03:30:34,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 03:30:34,249 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 03:30:34,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:34,269 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork1 ======== [2024-10-18 03:30:34,280 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7746662e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-10-18 03:30:34,280 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-18 03:30:35,639 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:35,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:35,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1686211714, now seen corresponding path program 1 times [2024-10-18 03:30:35,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:35,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214318803] [2024-10-18 03:30:35,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:35,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:36,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:36,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:36,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214318803] [2024-10-18 03:30:36,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214318803] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:30:36,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 03:30:36,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 03:30:36,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829741842] [2024-10-18 03:30:36,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:30:36,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 03:30:36,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:30:36,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 03:30:36,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 03:30:36,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:36,133 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:30:36,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-10-18 03:30:36,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:36,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 03:30:36,951 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:36,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:36,952 INFO L85 PathProgramCache]: Analyzing trace with hash -372146329, now seen corresponding path program 1 times [2024-10-18 03:30:36,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:36,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811188825] [2024-10-18 03:30:36,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:36,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:37,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:37,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811188825] [2024-10-18 03:30:37,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811188825] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:30:37,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 03:30:37,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 03:30:37,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034507801] [2024-10-18 03:30:37,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:30:37,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 03:30:37,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:30:37,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 03:30:37,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 03:30:37,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:37,108 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:30:37,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-10-18 03:30:37,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:37,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:37,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-18 03:30:37,175 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:37,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:37,176 INFO L85 PathProgramCache]: Analyzing trace with hash -2008170458, now seen corresponding path program 1 times [2024-10-18 03:30:37,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:37,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617892345] [2024-10-18 03:30:37,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:37,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:37,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:37,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:37,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617892345] [2024-10-18 03:30:37,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617892345] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:30:37,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 03:30:37,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 03:30:37,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655667022] [2024-10-18 03:30:37,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:30:37,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 03:30:37,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:30:37,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 03:30:37,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 03:30:37,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:37,328 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:30:37,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-10-18 03:30:37,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:37,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:37,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:37,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:37,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-18 03:30:37,379 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:37,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:37,379 INFO L85 PathProgramCache]: Analyzing trace with hash 963355572, now seen corresponding path program 1 times [2024-10-18 03:30:37,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:37,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180435055] [2024-10-18 03:30:37,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:37,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:37,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:37,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180435055] [2024-10-18 03:30:37,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180435055] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:30:37,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238896144] [2024-10-18 03:30:37,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:37,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:30:37,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:30:37,585 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:30:37,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 03:30:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:37,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-18 03:30:37,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:30:37,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-18 03:30:37,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:37,913 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:30:37,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:37,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238896144] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:30:37,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:30:37,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-18 03:30:37,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209478761] [2024-10-18 03:30:37,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:30:37,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-18 03:30:37,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:30:37,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-18 03:30:37,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-10-18 03:30:37,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:37,983 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:30:37,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 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) [2024-10-18 03:30:37,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:37,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:37,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:37,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:38,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:30:38,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 03:30:38,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:30:38,444 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:38,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:38,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1461913681, now seen corresponding path program 2 times [2024-10-18 03:30:38,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:38,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98701916] [2024-10-18 03:30:38,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:38,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:39,458 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 1 proven. 72 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-18 03:30:39,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:39,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98701916] [2024-10-18 03:30:39,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98701916] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:30:39,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269364779] [2024-10-18 03:30:39,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 03:30:39,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:30:39,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:30:39,462 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:30:39,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 03:30:39,623 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 03:30:39,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:30:39,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-18 03:30:39,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:30:39,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-18 03:30:39,685 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 43 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-18 03:30:39,686 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:30:40,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2024-10-18 03:30:40,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 5 [2024-10-18 03:30:40,204 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 24 proven. 52 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 03:30:40,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269364779] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:30:40,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:30:40,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 9] total 17 [2024-10-18 03:30:40,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397167991] [2024-10-18 03:30:40,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:30:40,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-18 03:30:40,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:30:40,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-18 03:30:40,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-10-18 03:30:40,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:40,210 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:30:40,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.222222222222222) internal successors, (112), 17 states have internal predecessors, (112), 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) [2024-10-18 03:30:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:30:40,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:40,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:40,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:40,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:30:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 03:30:40,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-18 03:30:40,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:30:40,643 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:40,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:40,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1287110140, now seen corresponding path program 1 times [2024-10-18 03:30:40,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:40,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811466858] [2024-10-18 03:30:40,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:40,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:40,884 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 93 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:40,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:40,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811466858] [2024-10-18 03:30:40,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811466858] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:30:40,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472755447] [2024-10-18 03:30:40,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:40,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:30:40,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:30:40,888 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:30:40,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 03:30:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:41,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-18 03:30:41,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:30:41,111 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 03:30:41,113 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 03:30:41,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472755447] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:30:41,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 03:30:41,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 10 [2024-10-18 03:30:41,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377700059] [2024-10-18 03:30:41,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:30:41,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-18 03:30:41,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:30:41,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-18 03:30:41,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-18 03:30:41,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:41,116 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:30:41,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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) [2024-10-18 03:30:41,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:41,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:41,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:41,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:30:41,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 03:30:41,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:41,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:30:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 03:30:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:30:41,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-18 03:30:41,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:30:41,699 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:41,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:41,719 INFO L85 PathProgramCache]: Analyzing trace with hash 86917549, now seen corresponding path program 3 times [2024-10-18 03:30:41,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:41,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689917309] [2024-10-18 03:30:41,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:41,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:42,359 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 03:30:42,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:42,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689917309] [2024-10-18 03:30:42,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689917309] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:30:42,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317825782] [2024-10-18 03:30:42,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 03:30:42,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:30:42,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:30:42,362 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:30:42,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 03:30:42,507 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-18 03:30:42,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:30:42,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-18 03:30:42,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:30:42,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-18 03:30:42,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-18 03:30:43,421 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-18 03:30:43,422 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:30:43,563 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 50 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-18 03:30:43,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317825782] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:30:43,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:30:43,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 21 [2024-10-18 03:30:43,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354026939] [2024-10-18 03:30:43,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:30:43,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-18 03:30:43,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:30:43,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-18 03:30:43,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-10-18 03:30:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:43,567 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:30:43,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 6.476190476190476) internal successors, (136), 21 states have internal predecessors, (136), 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) [2024-10-18 03:30:43,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:43,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:43,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:43,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:30:43,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 03:30:43,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:30:43,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:44,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:44,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:30:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 03:30:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:30:44,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 03:30:44,538 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-18 03:30:44,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-18 03:30:44,721 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:44,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:44,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1302784552, now seen corresponding path program 4 times [2024-10-18 03:30:44,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:44,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751267528] [2024-10-18 03:30:44,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:44,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:45,373 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 03:30:45,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:45,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751267528] [2024-10-18 03:30:45,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751267528] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:30:45,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808605979] [2024-10-18 03:30:45,373 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 03:30:45,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:30:45,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:30:45,376 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:30:45,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 03:30:45,558 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 03:30:45,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:30:45,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-18 03:30:45,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:30:45,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-18 03:30:45,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-18 03:30:45,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-18 03:30:45,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-18 03:30:45,910 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:45,911 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:30:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 33 proven. 39 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-18 03:30:46,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808605979] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:30:46,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:30:46,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 7] total 20 [2024-10-18 03:30:46,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119272055] [2024-10-18 03:30:46,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:30:46,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-18 03:30:46,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:30:46,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-18 03:30:46,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2024-10-18 03:30:46,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:46,025 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:30:46,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.05) internal successors, (161), 20 states have internal predecessors, (161), 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) [2024-10-18 03:30:46,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:46,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:46,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:46,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:30:46,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 03:30:46,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:30:46,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 03:30:46,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:46,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:46,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:46,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:46,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:30:46,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 03:30:46,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:30:46,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 03:30:46,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 03:30:46,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-18 03:30:46,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-18 03:30:47,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:30:47,044 INFO L414 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1] [2024-10-18 03:30:47,045 INFO L312 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork1 was SAFE (1/3) [2024-10-18 03:30:47,048 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 03:30:47,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 03:30:47,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:30:47,050 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 03:30:47,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2024-10-18 03:30:47,094 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 03:30:47,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:47,095 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 03:30:47,096 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7746662e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-10-18 03:30:47,096 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-18 03:30:47,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-10-18 03:30:47,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-10-18 03:30:47,199 INFO L414 BasicCegarLoop]: Path program histogram: [] [2024-10-18 03:30:47,200 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2024-10-18 03:30:47,201 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 03:30:47,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 03:30:47,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:30:47,204 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 03:30:47,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2024-10-18 03:30:47,252 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 03:30:47,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:47,253 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Thread1of1ForFork0 ======== [2024-10-18 03:30:47,254 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7746662e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-10-18 03:30:47,254 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-18 03:30:47,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:47,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:47,932 INFO L85 PathProgramCache]: Analyzing trace with hash -668636023, now seen corresponding path program 1 times [2024-10-18 03:30:47,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:47,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920290586] [2024-10-18 03:30:47,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:47,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:47,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:47,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:47,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920290586] [2024-10-18 03:30:47,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920290586] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:30:47,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 03:30:47,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 03:30:47,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918196023] [2024-10-18 03:30:47,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:30:47,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 03:30:47,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:30:47,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 03:30:47,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 03:30:47,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:47,982 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:30:47,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-10-18 03:30:47,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:48,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:48,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-18 03:30:48,603 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:48,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:48,603 INFO L85 PathProgramCache]: Analyzing trace with hash -601170002, now seen corresponding path program 1 times [2024-10-18 03:30:48,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:48,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425300346] [2024-10-18 03:30:48,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:48,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:48,640 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:48,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:48,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425300346] [2024-10-18 03:30:48,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425300346] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:30:48,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 03:30:48,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 03:30:48,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258315985] [2024-10-18 03:30:48,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:30:48,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 03:30:48,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:30:48,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 03:30:48,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 03:30:48,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:48,642 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:30:48,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-10-18 03:30:48,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:48,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:48,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:48,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:48,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-18 03:30:48,843 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:48,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:48,843 INFO L85 PathProgramCache]: Analyzing trace with hash 868868307, now seen corresponding path program 2 times [2024-10-18 03:30:48,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:48,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154286478] [2024-10-18 03:30:48,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:48,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:48,921 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 03:30:48,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:48,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154286478] [2024-10-18 03:30:48,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154286478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:30:48,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 03:30:48,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 03:30:48,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182197806] [2024-10-18 03:30:48,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:30:48,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 03:30:48,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:30:48,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 03:30:48,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 03:30:48,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:48,923 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:30:48,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) 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) [2024-10-18 03:30:48,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:48,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:48,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:48,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:48,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:48,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:48,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-18 03:30:48,971 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:49,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:49,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1999670384, now seen corresponding path program 1 times [2024-10-18 03:30:49,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:49,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281360243] [2024-10-18 03:30:49,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:49,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-18 03:30:49,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:49,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281360243] [2024-10-18 03:30:49,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281360243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:30:49,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 03:30:49,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 03:30:49,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324184769] [2024-10-18 03:30:49,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:30:49,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 03:30:49,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:30:49,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 03:30:49,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 03:30:49,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:49,092 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:30:49,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-10-18 03:30:49,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:49,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:49,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:49,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:49,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:49,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:49,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:49,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:49,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-18 03:30:49,122 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:49,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:49,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1892141387, now seen corresponding path program 1 times [2024-10-18 03:30:49,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:49,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085512724] [2024-10-18 03:30:49,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:49,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:49,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:49,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:49,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085512724] [2024-10-18 03:30:49,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085512724] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:30:49,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 03:30:49,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 03:30:49,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150381628] [2024-10-18 03:30:49,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:30:49,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 03:30:49,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:30:49,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 03:30:49,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 03:30:49,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:49,513 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:30:49,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-18 03:30:49,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:49,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:49,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:49,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:49,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:49,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:30:49,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-18 03:30:49,584 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:49,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:49,585 INFO L85 PathProgramCache]: Analyzing trace with hash -687305091, now seen corresponding path program 1 times [2024-10-18 03:30:49,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:49,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661240542] [2024-10-18 03:30:49,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:49,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:50,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:50,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661240542] [2024-10-18 03:30:50,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661240542] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:30:50,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181540997] [2024-10-18 03:30:50,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:50,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:30:50,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:30:50,404 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:30:50,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 03:30:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:50,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-18 03:30:50,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:30:50,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-18 03:30:50,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-18 03:30:50,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 32 [2024-10-18 03:30:50,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:50,763 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:30:51,154 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:51,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181540997] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:30:51,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:30:51,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 16 [2024-10-18 03:30:51,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856590060] [2024-10-18 03:30:51,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:30:51,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-18 03:30:51,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:30:51,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-18 03:30:51,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-10-18 03:30:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:51,157 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:30:51,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.1875) internal successors, (99), 16 states have internal predecessors, (99), 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) [2024-10-18 03:30:51,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:51,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:51,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:51,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:51,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:30:51,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:51,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:51,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:51,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:51,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:51,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:30:51,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 03:30:51,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-18 03:30:51,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-18 03:30:51,757 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:51,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:51,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1268341423, now seen corresponding path program 2 times [2024-10-18 03:30:51,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:51,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138546790] [2024-10-18 03:30:51,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:51,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:52,594 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 03:30:52,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:52,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138546790] [2024-10-18 03:30:52,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138546790] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:30:52,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032476480] [2024-10-18 03:30:52,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 03:30:52,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:30:52,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:30:52,597 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:30:52,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-18 03:30:52,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 03:30:52,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:30:52,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-18 03:30:52,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:30:52,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-18 03:30:53,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 6 [2024-10-18 03:30:53,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2024-10-18 03:30:53,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 64 [2024-10-18 03:30:53,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2024-10-18 03:30:53,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 03:30:53,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 57 [2024-10-18 03:30:53,723 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:53,723 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:30:54,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2024-10-18 03:30:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:54,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032476480] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:30:54,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:30:54,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 11] total 25 [2024-10-18 03:30:54,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669358946] [2024-10-18 03:30:54,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:30:54,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-18 03:30:54,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:30:54,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-18 03:30:54,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=510, Unknown=0, NotChecked=0, Total=650 [2024-10-18 03:30:54,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:54,608 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:30:54,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.8076923076923075) internal successors, (125), 25 states have internal predecessors, (125), 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) [2024-10-18 03:30:54,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:54,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:54,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:54,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:54,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:30:54,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 03:30:54,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:55,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:55,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:55,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:55,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:55,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:30:55,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:30:55,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 03:30:55,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-18 03:30:55,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-18 03:30:55,419 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:55,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:55,475 INFO L85 PathProgramCache]: Analyzing trace with hash -246660448, now seen corresponding path program 3 times [2024-10-18 03:30:55,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:55,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369911665] [2024-10-18 03:30:55,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:55,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:56,108 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 205 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:56,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:56,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369911665] [2024-10-18 03:30:56,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369911665] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:30:56,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369188136] [2024-10-18 03:30:56,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 03:30:56,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:30:56,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:30:56,112 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:30:56,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-18 03:30:56,345 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-18 03:30:56,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:30:56,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-18 03:30:56,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:30:56,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-10-18 03:30:56,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 32 [2024-10-18 03:30:56,663 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 93 proven. 1 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-10-18 03:30:56,663 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:30:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 93 proven. 1 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-10-18 03:30:56,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369188136] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:30:56,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:30:56,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 6, 6] total 26 [2024-10-18 03:30:56,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312414356] [2024-10-18 03:30:56,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:30:56,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-18 03:30:56,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:30:56,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-18 03:30:56,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=528, Unknown=0, NotChecked=0, Total=650 [2024-10-18 03:30:56,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:56,859 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:30:56,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.230769230769231) internal successors, (162), 26 states have internal predecessors, (162), 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) [2024-10-18 03:30:56,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:56,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:56,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:56,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:56,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:30:56,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 03:30:56,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 03:30:56,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:30:58,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:30:58,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:58,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:58,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:30:58,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:30:58,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 03:30:58,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 03:30:58,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-18 03:30:58,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-18 03:30:59,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:30:59,141 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:30:59,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:30:59,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1674377709, now seen corresponding path program 1 times [2024-10-18 03:30:59,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:30:59,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651483311] [2024-10-18 03:30:59,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:59,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:30:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:59,689 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 174 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:30:59,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:30:59,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651483311] [2024-10-18 03:30:59,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651483311] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:30:59,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133767148] [2024-10-18 03:30:59,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:30:59,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:30:59,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:30:59,692 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:30:59,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-18 03:30:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:30:59,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-18 03:30:59,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:31:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-18 03:31:00,125 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 03:31:00,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133767148] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:31:00,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 03:31:00,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 24 [2024-10-18 03:31:00,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782986984] [2024-10-18 03:31:00,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:31:00,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-18 03:31:00,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:31:00,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-18 03:31:00,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2024-10-18 03:31:00,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:31:00,128 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:31:00,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 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) [2024-10-18 03:31:00,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:31:00,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:31:00,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:31:00,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:31:00,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:31:00,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 03:31:00,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 03:31:00,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-18 03:31:00,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:31:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:31:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:31:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:31:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:31:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:31:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 03:31:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 03:31:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-18 03:31:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:31:00,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-18 03:31:00,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-18 03:31:00,481 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:31:00,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:31:00,482 INFO L85 PathProgramCache]: Analyzing trace with hash -256109449, now seen corresponding path program 2 times [2024-10-18 03:31:00,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:31:00,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346649951] [2024-10-18 03:31:00,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:31:00,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:31:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:31:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 112 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:31:00,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:31:00,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346649951] [2024-10-18 03:31:00,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346649951] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:31:00,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743466578] [2024-10-18 03:31:00,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 03:31:00,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:31:00,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:31:00,731 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:31:00,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-18 03:31:00,963 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 03:31:00,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:31:00,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-18 03:31:00,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:31:01,052 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 03:31:01,052 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 03:31:01,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743466578] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:31:01,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 03:31:01,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9 [2024-10-18 03:31:01,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895619914] [2024-10-18 03:31:01,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:31:01,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-18 03:31:01,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:31:01,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-18 03:31:01,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-10-18 03:31:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:31:01,055 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:31:01,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 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) [2024-10-18 03:31:01,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:31:01,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:31:01,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:31:01,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:31:01,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:31:01,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 03:31:01,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-18 03:31:01,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-18 03:31:01,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:31:01,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:31:01,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 03:31:01,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:31:01,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:31:01,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 03:31:01,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:31:01,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 03:31:01,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-18 03:31:01,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-18 03:31:01,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:31:01,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:31:01,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-18 03:31:01,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-18 03:31:01,458 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 03:31:01,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:31:01,458 INFO L85 PathProgramCache]: Analyzing trace with hash -2055972850, now seen corresponding path program 4 times [2024-10-18 03:31:01,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:31:01,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109249030] [2024-10-18 03:31:01,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:31:01,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:31:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 03:31:01,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 03:31:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 03:31:01,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-18 03:31:01,770 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-18 03:31:01,770 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-18 03:31:01,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-18 03:31:01,773 INFO L414 BasicCegarLoop]: Path program histogram: [4, 2, 2, 1, 1, 1] [2024-10-18 03:31:01,773 INFO L312 ceAbstractionStarter]: Result for error location t2Thread1of1ForFork0 was UNSAFE (3/3) [2024-10-18 03:31:01,864 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 03:31:01,865 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 03:31:01,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 03:31:01 BasicIcfg [2024-10-18 03:31:01,868 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 03:31:01,869 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 03:31:01,869 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 03:31:01,869 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 03:31:01,869 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 03:30:33" (3/4) ... [2024-10-18 03:31:01,870 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-18 03:31:01,961 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 03:31:01,961 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 03:31:01,962 INFO L158 Benchmark]: Toolchain (without parser) took 29480.65ms. Allocated memory was 172.0MB in the beginning and 599.8MB in the end (delta: 427.8MB). Free memory was 114.5MB in the beginning and 276.0MB in the end (delta: -161.5MB). Peak memory consumption was 268.1MB. Max. memory is 16.1GB. [2024-10-18 03:31:01,962 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 172.0MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 03:31:01,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 676.85ms. Allocated memory is still 172.0MB. Free memory was 114.5MB in the beginning and 82.2MB in the end (delta: 32.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-18 03:31:01,962 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.41ms. Allocated memory is still 172.0MB. Free memory was 82.2MB in the beginning and 79.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 03:31:01,962 INFO L158 Benchmark]: Boogie Preprocessor took 34.26ms. Allocated memory is still 172.0MB. Free memory was 79.6MB in the beginning and 77.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 03:31:01,963 INFO L158 Benchmark]: RCFGBuilder took 731.19ms. Allocated memory was 172.0MB in the beginning and 239.1MB in the end (delta: 67.1MB). Free memory was 77.5MB in the beginning and 193.9MB in the end (delta: -116.5MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-10-18 03:31:01,963 INFO L158 Benchmark]: TraceAbstraction took 27866.02ms. Allocated memory was 239.1MB in the beginning and 599.8MB in the end (delta: 360.7MB). Free memory was 192.9MB in the beginning and 295.9MB in the end (delta: -103.0MB). Peak memory consumption was 256.7MB. Max. memory is 16.1GB. [2024-10-18 03:31:01,963 INFO L158 Benchmark]: Witness Printer took 92.29ms. Allocated memory is still 599.8MB. Free memory was 295.9MB in the beginning and 276.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-18 03:31:01,965 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 172.0MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 676.85ms. Allocated memory is still 172.0MB. Free memory was 114.5MB in the beginning and 82.2MB in the end (delta: 32.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.41ms. Allocated memory is still 172.0MB. Free memory was 82.2MB in the beginning and 79.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.26ms. Allocated memory is still 172.0MB. Free memory was 79.6MB in the beginning and 77.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 731.19ms. Allocated memory was 172.0MB in the beginning and 239.1MB in the end (delta: 67.1MB). Free memory was 77.5MB in the beginning and 193.9MB in the end (delta: -116.5MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 27866.02ms. Allocated memory was 239.1MB in the beginning and 599.8MB in the end (delta: 360.7MB). Free memory was 192.9MB in the beginning and 295.9MB in the end (delta: -103.0MB). Peak memory consumption was 256.7MB. Max. memory is 16.1GB. * Witness Printer took 92.29ms. Allocated memory is still 599.8MB. Free memory was 295.9MB in the beginning and 276.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11070, independent: 9102, independent conditional: 8364, independent unconditional: 738, dependent: 1968, dependent conditional: 1959, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9224, independent: 9102, independent conditional: 8364, independent unconditional: 738, dependent: 122, dependent conditional: 113, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9224, independent: 9102, independent conditional: 8364, independent unconditional: 738, dependent: 122, dependent conditional: 113, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9224, independent: 9102, independent conditional: 8364, independent unconditional: 738, dependent: 122, dependent conditional: 113, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10003, independent: 9102, independent conditional: 8364, independent unconditional: 738, dependent: 901, dependent conditional: 883, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10003, independent: 9102, independent conditional: 0, independent unconditional: 9102, dependent: 901, dependent conditional: 117, dependent unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10003, independent: 9102, independent conditional: 0, independent unconditional: 9102, dependent: 901, dependent conditional: 117, dependent unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 519, independent: 504, independent conditional: 0, independent unconditional: 504, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 519, independent: 501, independent conditional: 0, independent unconditional: 501, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2130, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 2058, dependent conditional: 105, dependent unconditional: 1952, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10003, independent: 8598, independent conditional: 0, independent unconditional: 8598, dependent: 886, dependent conditional: 111, dependent unconditional: 775, unknown: 519, unknown conditional: 6, unknown unconditional: 513] , Statistics on independence cache: Total cache size (in pairs): 519, Positive cache size: 504, Positive conditional cache size: 0, Positive unconditional cache size: 504, Negative cache size: 15, Negative conditional cache size: 6, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9130, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10003, independent: 9102, independent conditional: 8364, independent unconditional: 738, dependent: 901, dependent conditional: 883, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10003, independent: 9102, independent conditional: 0, independent unconditional: 9102, dependent: 901, dependent conditional: 117, dependent unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10003, independent: 9102, independent conditional: 0, independent unconditional: 9102, dependent: 901, dependent conditional: 117, dependent unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 519, independent: 504, independent conditional: 0, independent unconditional: 504, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 519, independent: 501, independent conditional: 0, independent unconditional: 501, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2130, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 2058, dependent conditional: 105, dependent unconditional: 1952, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10003, independent: 8598, independent conditional: 0, independent unconditional: 8598, dependent: 886, dependent conditional: 111, dependent unconditional: 775, unknown: 519, unknown conditional: 6, unknown unconditional: 513] , Statistics on independence cache: Total cache size (in pairs): 519, Positive cache size: 504, Positive conditional cache size: 0, Positive unconditional cache size: 504, Negative cache size: 15, Negative conditional cache size: 6, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9130 ], Independence queries for same thread: 1846, Persistent sets #1 benchmarks: Persistent set computation time: 2.1s, Number of persistent set computation: 184, Number of trivial persistent sets: 171, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 747, independent: 738, independent conditional: 0, independent unconditional: 738, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11070, independent: 9102, independent conditional: 8364, independent unconditional: 738, dependent: 1968, dependent conditional: 1959, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9224, independent: 9102, independent conditional: 8364, independent unconditional: 738, dependent: 122, dependent conditional: 113, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9224, independent: 9102, independent conditional: 8364, independent unconditional: 738, dependent: 122, dependent conditional: 113, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9224, independent: 9102, independent conditional: 8364, independent unconditional: 738, dependent: 122, dependent conditional: 113, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10003, independent: 9102, independent conditional: 8364, independent unconditional: 738, dependent: 901, dependent conditional: 883, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10003, independent: 9102, independent conditional: 0, independent unconditional: 9102, dependent: 901, dependent conditional: 117, dependent unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10003, independent: 9102, independent conditional: 0, independent unconditional: 9102, dependent: 901, dependent conditional: 117, dependent unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 519, independent: 504, independent conditional: 0, independent unconditional: 504, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 519, independent: 501, independent conditional: 0, independent unconditional: 501, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2130, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 2058, dependent conditional: 105, dependent unconditional: 1952, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10003, independent: 8598, independent conditional: 0, independent unconditional: 8598, dependent: 886, dependent conditional: 111, dependent unconditional: 775, unknown: 519, unknown conditional: 6, unknown unconditional: 513] , Statistics on independence cache: Total cache size (in pairs): 519, Positive cache size: 504, Positive conditional cache size: 0, Positive unconditional cache size: 504, Negative cache size: 15, Negative conditional cache size: 6, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9130, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10003, independent: 9102, independent conditional: 8364, independent unconditional: 738, dependent: 901, dependent conditional: 883, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10003, independent: 9102, independent conditional: 0, independent unconditional: 9102, dependent: 901, dependent conditional: 117, dependent unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10003, independent: 9102, independent conditional: 0, independent unconditional: 9102, dependent: 901, dependent conditional: 117, dependent unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 519, independent: 504, independent conditional: 0, independent unconditional: 504, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 519, independent: 501, independent conditional: 0, independent unconditional: 501, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2130, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 2058, dependent conditional: 105, dependent unconditional: 1952, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10003, independent: 8598, independent conditional: 0, independent unconditional: 8598, dependent: 886, dependent conditional: 111, dependent unconditional: 775, unknown: 519, unknown conditional: 6, unknown unconditional: 513] , Statistics on independence cache: Total cache size (in pairs): 519, Positive cache size: 504, Positive conditional cache size: 0, Positive unconditional cache size: 504, Negative cache size: 15, Negative conditional cache size: 6, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9130 ], Independence queries for same thread: 1846 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 145, independent: 141, independent conditional: 4, independent unconditional: 137, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 143, independent: 141, independent conditional: 4, independent unconditional: 137, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 143, independent: 141, independent conditional: 4, independent unconditional: 137, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 143, independent: 141, independent conditional: 4, independent unconditional: 137, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 145, independent: 141, independent conditional: 4, independent unconditional: 137, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 145, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 145, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 139, independent: 137, independent conditional: 0, independent unconditional: 137, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 139, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 145, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 139, unknown conditional: 0, unknown unconditional: 139] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 137, Positive conditional cache size: 0, Positive unconditional cache size: 137, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 145, independent: 141, independent conditional: 4, independent unconditional: 137, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 145, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 145, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 139, independent: 137, independent conditional: 0, independent unconditional: 137, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 139, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 145, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 139, unknown conditional: 0, unknown unconditional: 139] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 137, Positive conditional cache size: 0, Positive unconditional cache size: 137, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4 ], Independence queries for same thread: 2, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 6, Number of trivial persistent sets: 4, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 139, independent: 137, independent conditional: 0, independent unconditional: 137, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 145, independent: 141, independent conditional: 4, independent unconditional: 137, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 143, independent: 141, independent conditional: 4, independent unconditional: 137, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 143, independent: 141, independent conditional: 4, independent unconditional: 137, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 143, independent: 141, independent conditional: 4, independent unconditional: 137, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 145, independent: 141, independent conditional: 4, independent unconditional: 137, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 145, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 145, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 139, independent: 137, independent conditional: 0, independent unconditional: 137, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 139, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 145, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 139, unknown conditional: 0, unknown unconditional: 139] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 137, Positive conditional cache size: 0, Positive unconditional cache size: 137, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 145, independent: 141, independent conditional: 4, independent unconditional: 137, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 145, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 145, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 139, independent: 137, independent conditional: 0, independent unconditional: 137, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 139, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 145, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 139, unknown conditional: 0, unknown unconditional: 139] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 137, Positive conditional cache size: 0, Positive unconditional cache size: 137, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4 ], Independence queries for same thread: 2 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2237, independent: 1793, independent conditional: 1185, independent unconditional: 608, dependent: 444, dependent conditional: 434, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1814, independent: 1793, independent conditional: 1185, independent unconditional: 608, dependent: 21, dependent conditional: 11, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1814, independent: 1793, independent conditional: 1185, independent unconditional: 608, dependent: 21, dependent conditional: 11, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1814, independent: 1793, independent conditional: 1185, independent unconditional: 608, dependent: 21, dependent conditional: 11, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1853, independent: 1793, independent conditional: 1185, independent unconditional: 608, dependent: 60, dependent conditional: 40, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1853, independent: 1793, independent conditional: 0, independent unconditional: 1793, dependent: 60, dependent conditional: 13, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1853, independent: 1793, independent conditional: 0, independent unconditional: 1793, dependent: 60, dependent conditional: 13, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 483, independent: 467, independent conditional: 0, independent unconditional: 467, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 483, independent: 462, independent conditional: 0, independent unconditional: 462, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1461, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 1418, dependent conditional: 82, dependent unconditional: 1336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1853, independent: 1326, independent conditional: 0, independent unconditional: 1326, dependent: 44, dependent conditional: 7, dependent unconditional: 37, unknown: 483, unknown conditional: 6, unknown unconditional: 477] , Statistics on independence cache: Total cache size (in pairs): 483, Positive cache size: 467, Positive conditional cache size: 0, Positive unconditional cache size: 467, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1212, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1853, independent: 1793, independent conditional: 1185, independent unconditional: 608, dependent: 60, dependent conditional: 40, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1853, independent: 1793, independent conditional: 0, independent unconditional: 1793, dependent: 60, dependent conditional: 13, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1853, independent: 1793, independent conditional: 0, independent unconditional: 1793, dependent: 60, dependent conditional: 13, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 483, independent: 467, independent conditional: 0, independent unconditional: 467, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 483, independent: 462, independent conditional: 0, independent unconditional: 462, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1461, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 1418, dependent conditional: 82, dependent unconditional: 1336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1853, independent: 1326, independent conditional: 0, independent unconditional: 1326, dependent: 44, dependent conditional: 7, dependent unconditional: 37, unknown: 483, unknown conditional: 6, unknown unconditional: 477] , Statistics on independence cache: Total cache size (in pairs): 483, Positive cache size: 467, Positive conditional cache size: 0, Positive unconditional cache size: 467, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1212 ], Independence queries for same thread: 423, Persistent sets #1 benchmarks: Persistent set computation time: 1.4s, Number of persistent set computation: 87, Number of trivial persistent sets: 73, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 618, independent: 608, independent conditional: 0, independent unconditional: 608, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2237, independent: 1793, independent conditional: 1185, independent unconditional: 608, dependent: 444, dependent conditional: 434, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1814, independent: 1793, independent conditional: 1185, independent unconditional: 608, dependent: 21, dependent conditional: 11, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1814, independent: 1793, independent conditional: 1185, independent unconditional: 608, dependent: 21, dependent conditional: 11, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1814, independent: 1793, independent conditional: 1185, independent unconditional: 608, dependent: 21, dependent conditional: 11, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1853, independent: 1793, independent conditional: 1185, independent unconditional: 608, dependent: 60, dependent conditional: 40, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1853, independent: 1793, independent conditional: 0, independent unconditional: 1793, dependent: 60, dependent conditional: 13, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1853, independent: 1793, independent conditional: 0, independent unconditional: 1793, dependent: 60, dependent conditional: 13, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 483, independent: 467, independent conditional: 0, independent unconditional: 467, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 483, independent: 462, independent conditional: 0, independent unconditional: 462, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1461, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 1418, dependent conditional: 82, dependent unconditional: 1336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1853, independent: 1326, independent conditional: 0, independent unconditional: 1326, dependent: 44, dependent conditional: 7, dependent unconditional: 37, unknown: 483, unknown conditional: 6, unknown unconditional: 477] , Statistics on independence cache: Total cache size (in pairs): 483, Positive cache size: 467, Positive conditional cache size: 0, Positive unconditional cache size: 467, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1212, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1853, independent: 1793, independent conditional: 1185, independent unconditional: 608, dependent: 60, dependent conditional: 40, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1853, independent: 1793, independent conditional: 0, independent unconditional: 1793, dependent: 60, dependent conditional: 13, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1853, independent: 1793, independent conditional: 0, independent unconditional: 1793, dependent: 60, dependent conditional: 13, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 483, independent: 467, independent conditional: 0, independent unconditional: 467, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 483, independent: 462, independent conditional: 0, independent unconditional: 462, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1461, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 1418, dependent conditional: 82, dependent unconditional: 1336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1853, independent: 1326, independent conditional: 0, independent unconditional: 1326, dependent: 44, dependent conditional: 7, dependent unconditional: 37, unknown: 483, unknown conditional: 6, unknown unconditional: 477] , Statistics on independence cache: Total cache size (in pairs): 483, Positive cache size: 467, Positive conditional cache size: 0, Positive unconditional cache size: 467, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1212 ], Independence queries for same thread: 423 - PositiveResult [Line: 941]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - CounterExampleResult [Line: 941]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L935] 0 static int top=0; [L936] 0 static unsigned int arr[(5)]; [L937] 0 pthread_mutex_t m; [L938] 0 _Bool flag=(0); [L1021] 0 pthread_t id1, id2; [L1023] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={3:0}, flag=0, id1=-1, m={4:0}, top=0] [L990] 1 int i; [L991] 1 unsigned int tmp; [L992] 1 i=0 VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=0, i=0, m={4:0}, top=0] [L1024] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={3:0}, flag=0, id1=-1, id2=0, m={4:0}, top=0] [L1006] 2 int i; [L1007] 2 i=0 VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=0, i=0, m={4:0}, top=0] [L992] COND TRUE 1 i<(5) VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=0, i=0, m={4:0}, top=0] [L995] 1 tmp = __VERIFIER_nondet_uint() [L996] CALL 1 assume_abort_if_not(tmp < (5)) [L23] COND FALSE 1 !(!cond) [L996] RET 1 assume_abort_if_not(tmp < (5)) [L997] CALL, EXPR 1 push(arr,tmp) [L962] COND FALSE 1 !(top==(5)) [L969] CALL, EXPR 1 get_top() [L954] 1 return top; [L969] RET, EXPR 1 get_top() [L969] 1 stack[get_top()] = x [L970] CALL 1 inc_top() [L946] 1 top++ [L970] RET 1 inc_top() [L972] 1 return 0; [L997] RET, EXPR 1 push(arr,tmp) [L997] COND FALSE 1 !(push(arr,tmp)==(-1)) [L999] 1 flag=(1) VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=0, m={4:0}, tmp=3, top=1] [L992] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=1, m={4:0}, tmp=3, top=1] [L1007] COND TRUE 2 i<(5) VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=0, m={4:0}, top=1] [L1010] COND TRUE 2 \read(flag) [L1012] CALL, EXPR 2 pop(arr) [L976] CALL, EXPR 2 get_top() [L954] 2 return top; [L976] RET, EXPR 2 get_top() [L976] COND FALSE 2 !(get_top()==0) [L983] CALL 2 dec_top() [L950] 2 top-- [L983] RET 2 dec_top() [L984] CALL, EXPR 2 get_top() [L954] 2 return top; [L984] RET, EXPR 2 get_top() [L984] EXPR 2 stack[get_top()] [L984] 2 return stack[get_top()]; [L1012] RET, EXPR 2 pop(arr) [L1012] COND FALSE 2 !(!(pop(arr)!=(-2))) [L1007] 2 i++ VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=1, m={4:0}, top=0] [L992] COND TRUE 1 i<(5) VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=1, m={4:0}, tmp=3, top=0] [L995] 1 tmp = __VERIFIER_nondet_uint() [L996] CALL 1 assume_abort_if_not(tmp < (5)) [L23] COND FALSE 1 !(!cond) [L996] RET 1 assume_abort_if_not(tmp < (5)) [L997] CALL, EXPR 1 push(arr,tmp) [L962] COND FALSE 1 !(top==(5)) [L969] CALL, EXPR 1 get_top() [L954] 1 return top; [L969] RET, EXPR 1 get_top() [L969] 1 stack[get_top()] = x [L970] CALL 1 inc_top() [L946] 1 top++ [L970] RET 1 inc_top() [L972] 1 return 0; [L997] RET, EXPR 1 push(arr,tmp) [L997] COND FALSE 1 !(push(arr,tmp)==(-1)) [L999] 1 flag=(1) VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=1, m={4:0}, tmp=4, top=1] [L992] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=2, m={4:0}, tmp=4, top=1] [L1007] COND TRUE 2 i<(5) VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=1, m={4:0}, top=1] [L1010] COND TRUE 2 \read(flag) [L1012] CALL, EXPR 2 pop(arr) [L976] CALL, EXPR 2 get_top() [L954] 2 return top; [L976] RET, EXPR 2 get_top() [L976] COND FALSE 2 !(get_top()==0) [L983] CALL 2 dec_top() [L950] 2 top-- [L983] RET 2 dec_top() [L984] CALL, EXPR 2 get_top() [L954] 2 return top; [L984] RET, EXPR 2 get_top() [L984] EXPR 2 stack[get_top()] [L984] 2 return stack[get_top()]; [L1012] RET, EXPR 2 pop(arr) [L1012] COND FALSE 2 !(!(pop(arr)!=(-2))) [L1007] 2 i++ VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=2, m={4:0}, top=0] [L992] COND TRUE 1 i<(5) VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=2, m={4:0}, tmp=4, top=0] [L995] 1 tmp = __VERIFIER_nondet_uint() [L996] CALL 1 assume_abort_if_not(tmp < (5)) [L23] COND FALSE 1 !(!cond) [L996] RET 1 assume_abort_if_not(tmp < (5)) [L997] CALL, EXPR 1 push(arr,tmp) [L962] COND FALSE 1 !(top==(5)) [L969] CALL, EXPR 1 get_top() [L954] 1 return top; [L969] RET, EXPR 1 get_top() [L969] 1 stack[get_top()] = x [L970] CALL 1 inc_top() [L946] 1 top++ [L970] RET 1 inc_top() [L972] 1 return 0; [L997] RET, EXPR 1 push(arr,tmp) [L997] COND FALSE 1 !(push(arr,tmp)==(-1)) [L999] 1 flag=(1) VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=2, m={4:0}, tmp=2, top=1] [L992] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=3, m={4:0}, tmp=2, top=1] [L1007] COND TRUE 2 i<(5) VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=2, m={4:0}, top=1] [L1010] COND TRUE 2 \read(flag) [L1012] CALL, EXPR 2 pop(arr) [L976] CALL, EXPR 2 get_top() [L954] 2 return top; [L976] RET, EXPR 2 get_top() [L976] COND FALSE 2 !(get_top()==0) [L983] CALL 2 dec_top() [L950] 2 top-- [L983] RET 2 dec_top() [L984] CALL, EXPR 2 get_top() [L954] 2 return top; [L984] RET, EXPR 2 get_top() [L984] EXPR 2 stack[get_top()] [L984] 2 return stack[get_top()]; [L1012] RET, EXPR 2 pop(arr) [L1012] COND FALSE 2 !(!(pop(arr)!=(-2))) [L1007] 2 i++ VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=3, m={4:0}, top=0] [L992] COND TRUE 1 i<(5) VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=3, m={4:0}, tmp=2, top=0] [L995] 1 tmp = __VERIFIER_nondet_uint() [L996] CALL 1 assume_abort_if_not(tmp < (5)) [L23] COND FALSE 1 !(!cond) [L996] RET 1 assume_abort_if_not(tmp < (5)) [L997] CALL, EXPR 1 push(arr,tmp) [L962] COND FALSE 1 !(top==(5)) [L969] CALL, EXPR 1 get_top() [L954] 1 return top; [L969] RET, EXPR 1 get_top() [L969] 1 stack[get_top()] = x [L970] CALL 1 inc_top() [L946] 1 top++ [L970] RET 1 inc_top() [L972] 1 return 0; [L997] RET, EXPR 1 push(arr,tmp) [L997] COND FALSE 1 !(push(arr,tmp)==(-1)) [L999] 1 flag=(1) VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=3, m={4:0}, tmp=1, top=1] [L992] 1 i++ VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=4, m={4:0}, tmp=1, top=1] [L1007] COND TRUE 2 i<(5) VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=3, m={4:0}, top=1] [L1010] COND TRUE 2 \read(flag) [L1012] CALL, EXPR 2 pop(arr) [L976] CALL, EXPR 2 get_top() [L954] 2 return top; [L976] RET, EXPR 2 get_top() [L976] COND FALSE 2 !(get_top()==0) [L983] CALL 2 dec_top() [L950] 2 top-- [L983] RET 2 dec_top() [L984] CALL, EXPR 2 get_top() [L954] 2 return top; [L984] RET, EXPR 2 get_top() [L984] EXPR 2 stack[get_top()] [L984] 2 return stack[get_top()]; [L1012] RET, EXPR 2 pop(arr) [L1012] COND FALSE 2 !(!(pop(arr)!=(-2))) [L1007] 2 i++ VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=4, m={4:0}, top=0] [L992] COND TRUE 1 i<(5) VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=4, m={4:0}, tmp=1, top=0] [L1007] COND TRUE 2 i<(5) VAL [\old(arg)={0:0}, arg={0:0}, arr={3:0}, flag=1, i=4, m={4:0}, top=0] [L1010] COND TRUE 2 \read(flag) [L1012] CALL, EXPR 2 pop(arr) [L976] CALL, EXPR 2 get_top() [L954] 2 return top; [L976] RET, EXPR 2 get_top() [L976] COND TRUE 2 get_top()==0 [L979] 2 return (-2); [L1012] RET, EXPR 2 pop(arr) [L1012] COND TRUE 2 !(pop(arr)!=(-2)) [L1013] CALL 2 error() [L941] 2 reach_error() VAL [arr={3:0}, flag=1, m={4:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t1Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 55 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 4.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 97, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 600 NumberOfCodeBlocks, 578 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 792 ConstructedInterpolants, 24 QuantifiedInterpolants, 4120 SizeOfPredicates, 52 NumberOfNonLiveVariables, 1384 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 17 InterpolantComputations, 4 PerfectInterpolantSequences, 538/992 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, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.1s, ConditionalCommutativityCheckTime: 0.1s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 1, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 55 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 55 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 14.5s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 5.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 119, 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: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 1005 NumberOfCodeBlocks, 926 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1110 ConstructedInterpolants, 8 QuantifiedInterpolants, 8146 SizeOfPredicates, 42 NumberOfNonLiveVariables, 1623 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 18 InterpolantComputations, 7 PerfectInterpolantSequences, 1754/2215 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, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.2s, ConditionalCommutativityCheckTime: 0.2s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 3, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate proved your program to be incorrect! [2024-10-18 03:31:02,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Ended with exit code 0 [2024-10-18 03:31:02,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Forceful destruction successful, exit code 0 [2024-10-18 03:31:02,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-18 03:31:02,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE