/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 50 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 17:46:14,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 17:46:14,231 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 17:46:14,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 17:46:14,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 17:46:14,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 17:46:14,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 17:46:14,259 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 17:46:14,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 17:46:14,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 17:46:14,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 17:46:14,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 17:46:14,264 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 17:46:14,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 17:46:14,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 17:46:14,265 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 17:46:14,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 17:46:14,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 17:46:14,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 17:46:14,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 17:46:14,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 17:46:14,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 17:46:14,267 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 17:46:14,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 17:46:14,267 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 17:46:14,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 17:46:14,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 17:46:14,268 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 17:46:14,268 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 17:46:14,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 17:46:14,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 17:46:14,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 17:46:14,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 17:46:14,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 17:46:14,270 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 17:46:14,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 17:46:14,270 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 17:46:14,270 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 17:46:14,270 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 17:46:14,270 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 50 [2024-04-05 17:46:14,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 17:46:14,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 17:46:14,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 17:46:14,546 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 17:46:14,546 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 17:46:14,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c [2024-04-05 17:46:15,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 17:46:15,862 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 17:46:15,862 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c [2024-04-05 17:46:15,873 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5351e07ef/159bcb323f4143bc8b10c136420cb2ab/FLAG5d95d40ae [2024-04-05 17:46:15,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5351e07ef/159bcb323f4143bc8b10c136420cb2ab [2024-04-05 17:46:15,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 17:46:15,894 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 17:46:15,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 17:46:15,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 17:46:15,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 17:46:15,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:46:15" (1/1) ... [2024-04-05 17:46:15,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b57ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:46:15, skipping insertion in model container [2024-04-05 17:46:15,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:46:15" (1/1) ... [2024-04-05 17:46:15,933 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 17:46:16,102 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c[3271,3284] [2024-04-05 17:46:16,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 17:46:16,125 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 17:46:16,165 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c[3271,3284] [2024-04-05 17:46:16,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 17:46:16,178 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 17:46:16,178 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 17:46:16,185 INFO L206 MainTranslator]: Completed translation [2024-04-05 17:46:16,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:46:16 WrapperNode [2024-04-05 17:46:16,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 17:46:16,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 17:46:16,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 17:46:16,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 17:46:16,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:46:16" (1/1) ... [2024-04-05 17:46:16,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:46:16" (1/1) ... [2024-04-05 17:46:16,238 INFO L138 Inliner]: procedures = 27, calls = 75, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 178 [2024-04-05 17:46:16,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 17:46:16,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 17:46:16,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 17:46:16,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 17:46:16,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:46:16" (1/1) ... [2024-04-05 17:46:16,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:46:16" (1/1) ... [2024-04-05 17:46:16,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:46:16" (1/1) ... [2024-04-05 17:46:16,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:46:16" (1/1) ... [2024-04-05 17:46:16,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:46:16" (1/1) ... [2024-04-05 17:46:16,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:46:16" (1/1) ... [2024-04-05 17:46:16,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:46:16" (1/1) ... [2024-04-05 17:46:16,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:46:16" (1/1) ... [2024-04-05 17:46:16,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 17:46:16,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 17:46:16,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 17:46:16,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 17:46:16,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:46:16" (1/1) ... [2024-04-05 17:46:16,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 17:46:16,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 17:46:16,325 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) [2024-04-05 17:46:16,340 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 [2024-04-05 17:46:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 17:46:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 17:46:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 17:46:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 17:46:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 17:46:16,376 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 17:46:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 17:46:16,377 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 17:46:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 17:46:16,377 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 17:46:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-05 17:46:16,377 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-05 17:46:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 17:46:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-04-05 17:46:16,377 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-04-05 17:46:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 17:46:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 17:46:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 17:46:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 17:46:16,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 17:46:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 17:46:16,379 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 17:46:16,467 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 17:46:16,469 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 17:46:16,846 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 17:46:16,920 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 17:46:16,920 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2024-04-05 17:46:16,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:46:16 BoogieIcfgContainer [2024-04-05 17:46:16,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 17:46:16,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 17:46:16,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 17:46:16,928 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 17:46:16,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 05:46:15" (1/3) ... [2024-04-05 17:46:16,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669e3ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:46:16, skipping insertion in model container [2024-04-05 17:46:16,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:46:16" (2/3) ... [2024-04-05 17:46:16,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669e3ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:46:16, skipping insertion in model container [2024-04-05 17:46:16,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:46:16" (3/3) ... [2024-04-05 17:46:16,932 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c [2024-04-05 17:46:16,939 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 17:46:16,949 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 17:46:16,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 17:46:16,949 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 17:46:17,017 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-04-05 17:46:17,050 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 17:46:17,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 17:46:17,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 17:46:17,053 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) [2024-04-05 17:46:17,061 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 [2024-04-05 17:46:17,086 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 17:46:17,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:46:17,104 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 17:46:17,109 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@17e9ff1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=50, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-05 17:46:17,109 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-04-05 17:46:21,526 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 55 treesize of output 47 [2024-04-05 17:46:21,536 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:46:21,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 32 [2024-04-05 17:46:21,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1653010273, now seen corresponding path program 1 times [2024-04-05 17:46:21,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:21,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:21,934 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 17:46:21,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:21,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:21,996 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 17:46:22,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 17:46:22,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 17:46:22,815 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 44 treesize of output 38 [2024-04-05 17:46:22,821 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:46:22,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 29 [2024-04-05 17:46:23,637 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 104 treesize of output 88 [2024-04-05 17:46:23,644 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:46:23,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 55 [2024-04-05 17:46:23,668 INFO L85 PathProgramCache]: Analyzing trace with hash -647371329, now seen corresponding path program 1 times [2024-04-05 17:46:23,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:23,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:23,935 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 17:46:23,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:23,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:24,125 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 17:46:24,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 17:46:24,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-04-05 17:46:25,634 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 76 treesize of output 64 [2024-04-05 17:46:25,640 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:46:25,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 38 [2024-04-05 17:46:27,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1954674413, now seen corresponding path program 1 times [2024-04-05 17:46:27,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:27,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-05 17:46:27,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:27,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:28,269 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-05 17:46:28,355 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 61 treesize of output 51 [2024-04-05 17:46:28,360 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:46:28,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-04-05 17:46:28,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1720368802, now seen corresponding path program 2 times [2024-04-05 17:46:28,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:28,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:28,637 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 17:46:28,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:28,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:28,849 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 17:46:28,959 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:46:28,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-04-05 17:46:31,045 INFO L85 PathProgramCache]: Analyzing trace with hash -2084935167, now seen corresponding path program 1 times [2024-04-05 17:46:31,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:31,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:31,364 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 17:46:31,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:31,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:31,613 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 17:46:31,647 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:46:31,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 36 [2024-04-05 17:46:33,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1998482317, now seen corresponding path program 2 times [2024-04-05 17:46:33,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:33,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:34,049 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 17:46:34,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:34,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-05 17:46:34,662 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 72 treesize of output 60 [2024-04-05 17:46:34,669 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:46:34,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 29 [2024-04-05 17:46:34,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1873874990, now seen corresponding path program 3 times [2024-04-05 17:46:34,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:34,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:35,041 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-05 17:46:35,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:35,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:35,206 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-05 17:46:35,471 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-05 17:46:35,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:46:35,472 INFO L85 PathProgramCache]: Analyzing trace with hash -159439195, now seen corresponding path program 1 times [2024-04-05 17:46:35,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 17:46:35,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310099976] [2024-04-05 17:46:35,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:35,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-04-05 17:46:35,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 17:46:35,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310099976] [2024-04-05 17:46:35,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310099976] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 17:46:35,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482488619] [2024-04-05 17:46:35,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:35,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 17:46:35,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 17:46:35,858 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) [2024-04-05 17:46:35,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 17:46:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:36,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 17:46:36,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 17:46:36,371 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 145 proven. 1 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-04-05 17:46:36,372 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 17:46:36,624 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 145 proven. 1 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-04-05 17:46:36,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482488619] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 17:46:36,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 17:46:36,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-04-05 17:46:36,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659938393] [2024-04-05 17:46:36,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 17:46:36,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-05 17:46:36,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 17:46:36,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-05 17:46:36,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-04-05 17:46:36,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:46:36,650 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 17:46:36,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.083333333333334) internal successors, (314), 24 states have internal predecessors, (314), 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) [2024-04-05 17:46:36,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:46:38,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 17:46:38,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-05 17:46:38,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-04-05 17:46:38,665 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-05 17:46:38,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 17:46:38,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1543240338, now seen corresponding path program 2 times [2024-04-05 17:46:38,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 17:46:38,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919927666] [2024-04-05 17:46:38,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:38,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:39,080 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 237 proven. 15 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-04-05 17:46:39,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 17:46:39,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919927666] [2024-04-05 17:46:39,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919927666] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 17:46:39,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688518605] [2024-04-05 17:46:39,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 17:46:39,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 17:46:39,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 17:46:39,098 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) [2024-04-05 17:46:39,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 17:46:39,289 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-04-05 17:46:39,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 17:46:39,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-05 17:46:39,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 17:46:39,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 17:46:39,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-05 17:46:39,544 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 15 treesize of output 7 [2024-04-05 17:46:39,907 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-04-05 17:46:39,907 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 17:46:39,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688518605] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 17:46:39,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-05 17:46:39,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15] total 28 [2024-04-05 17:46:39,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114633188] [2024-04-05 17:46:39,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 17:46:39,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-05 17:46:39,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 17:46:39,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-05 17:46:39,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2024-04-05 17:46:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:46:39,913 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 17:46:39,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 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) [2024-04-05 17:46:39,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 17:46:39,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 17:46:41,042 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 44 treesize of output 38 [2024-04-05 17:46:41,050 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:46:41,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 29 [2024-04-05 17:46:41,938 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 87 treesize of output 73 [2024-04-05 17:46:41,945 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:46:41,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 41 [2024-04-05 17:46:42,282 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 76 treesize of output 64 [2024-04-05 17:46:42,290 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:46:42,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 38 [2024-04-05 17:46:42,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1124821178, now seen corresponding path program 4 times [2024-04-05 17:46:42,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:42,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:42,985 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 17:46:42,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:42,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:43,165 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 17:46:43,319 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 61 treesize of output 51 [2024-04-05 17:46:43,326 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:46:43,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-04-05 17:46:43,438 INFO L85 PathProgramCache]: Analyzing trace with hash 863347727, now seen corresponding path program 5 times [2024-04-05 17:46:43,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:43,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:43,631 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-05 17:46:43,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:43,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:43,824 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-05 17:46:44,385 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 72 treesize of output 60 [2024-04-05 17:46:44,393 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:46:44,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 29 [2024-04-05 17:46:46,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1794873925, now seen corresponding path program 6 times [2024-04-05 17:46:46,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:46,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:48,150 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 17:46:48,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:48,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:48,807 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 17:46:50,080 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:46:50,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 36 [2024-04-05 17:46:52,449 INFO L85 PathProgramCache]: Analyzing trace with hash -2074812350, now seen corresponding path program 1 times [2024-04-05 17:46:52,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:52,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:52,882 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-05 17:46:52,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:52,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:53,173 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-05 17:46:53,258 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:46:53,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-04-05 17:46:55,586 INFO L85 PathProgramCache]: Analyzing trace with hash -770522221, now seen corresponding path program 2 times [2024-04-05 17:46:55,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:55,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:55,881 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-05 17:46:55,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:55,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:56,157 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-05 17:46:56,580 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 78 treesize of output 66 [2024-04-05 17:46:56,589 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:46:56,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 40 [2024-04-05 17:46:58,792 INFO L85 PathProgramCache]: Analyzing trace with hash 498384736, now seen corresponding path program 1 times [2024-04-05 17:46:58,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:58,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:58,996 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-05 17:46:58,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:46:58,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:46:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:46:59,172 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-05 17:46:59,351 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 59 treesize of output 49 [2024-04-05 17:46:59,358 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:46:59,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 24 [2024-04-05 17:46:59,583 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 55 treesize of output 47 [2024-04-05 17:46:59,591 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:46:59,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 32 [2024-04-05 17:47:00,081 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:47:00,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-04-05 17:47:02,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1599381727, now seen corresponding path program 1 times [2024-04-05 17:47:02,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:47:02,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:47:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:47:02,474 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:47:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:47:03,254 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:47:03,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 36 [2024-04-05 17:47:05,587 INFO L85 PathProgramCache]: Analyzing trace with hash -2027394174, now seen corresponding path program 1 times [2024-04-05 17:47:05,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:47:05,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:47:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:47:06,070 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 17:47:06,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:47:06,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:47:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:47:06,242 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 17:47:07,107 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:47:07,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 36 [2024-04-05 17:47:09,572 INFO L85 PathProgramCache]: Analyzing trace with hash 267632507, now seen corresponding path program 1 times [2024-04-05 17:47:09,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:47:09,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:47:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:47:09,869 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 17:47:09,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:47:09,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:47:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:47:10,016 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 17:47:10,117 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:47:10,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-04-05 17:47:12,542 INFO L85 PathProgramCache]: Analyzing trace with hash 544500538, now seen corresponding path program 2 times [2024-04-05 17:47:12,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:47:12,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:47:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:47:12,731 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-05 17:47:12,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:47:12,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:47:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:47:12,883 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-05 17:47:47,959 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 55 treesize of output 47 [2024-04-05 17:47:47,966 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:47:47,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 32 [2024-04-05 17:47:48,991 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 104 treesize of output 88 [2024-04-05 17:47:48,999 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:47:48,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 55 [2024-04-05 17:47:49,397 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 76 treesize of output 64 [2024-04-05 17:47:49,403 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:47:49,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 38 [2024-04-05 17:47:49,644 INFO L85 PathProgramCache]: Analyzing trace with hash -227369937, now seen corresponding path program 1 times [2024-04-05 17:47:49,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:47:49,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:47:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:47:49,803 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 17:47:49,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:47:49,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:47:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:47:49,955 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 17:47:50,091 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 61 treesize of output 51 [2024-04-05 17:47:50,098 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:47:50,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-04-05 17:47:50,175 INFO L85 PathProgramCache]: Analyzing trace with hash 661786630, now seen corresponding path program 2 times [2024-04-05 17:47:50,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:47:50,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:47:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:47:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-05 17:47:50,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:47:50,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:47:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:47:50,454 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-05 17:47:51,197 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 72 treesize of output 60 [2024-04-05 17:47:51,204 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:47:51,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 29 [2024-04-05 17:47:53,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1911246830, now seen corresponding path program 3 times [2024-04-05 17:47:53,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:47:53,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:47:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:47:53,958 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 17:47:53,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:47:53,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:47:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:47:54,368 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 17:47:56,063 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:47:56,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 36 [2024-04-05 17:47:58,334 INFO L85 PathProgramCache]: Analyzing trace with hash -419876309, now seen corresponding path program 1 times [2024-04-05 17:47:58,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:47:58,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:47:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:47:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-05 17:47:58,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:47:58,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:47:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:47:58,769 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-05 17:47:58,866 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:47:58,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-04-05 17:48:01,139 INFO L85 PathProgramCache]: Analyzing trace with hash -941276534, now seen corresponding path program 2 times [2024-04-05 17:48:01,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:01,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:01,348 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-05 17:48:01,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:01,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:01,725 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-05 17:48:02,138 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 89 treesize of output 75 [2024-04-05 17:48:02,145 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:48:02,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 43 [2024-04-05 17:48:04,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1520152119, now seen corresponding path program 1 times [2024-04-05 17:48:04,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:04,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:04,597 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-05 17:48:04,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:04,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-05 17:48:04,972 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 59 treesize of output 49 [2024-04-05 17:48:04,980 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:48:04,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 24 [2024-04-05 17:48:05,176 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 44 treesize of output 38 [2024-04-05 17:48:05,183 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 17:48:05,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 29 [2024-04-05 17:48:05,640 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:48:05,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-04-05 17:48:07,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1019755018, now seen corresponding path program 1 times [2024-04-05 17:48:07,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:07,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:48:07,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:48:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:48:08,751 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:48:08,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 36 [2024-04-05 17:48:11,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1013891349, now seen corresponding path program 1 times [2024-04-05 17:48:11,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:11,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:11,133 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 17:48:11,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:11,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:11,248 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 17:48:12,377 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:48:12,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 36 [2024-04-05 17:48:14,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1529728846, now seen corresponding path program 1 times [2024-04-05 17:48:14,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:14,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 17:48:14,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:14,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:14,954 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 17:48:15,055 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:48:15,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-04-05 17:48:17,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1293714723, now seen corresponding path program 2 times [2024-04-05 17:48:17,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:17,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:17,571 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-05 17:48:17,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:17,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:17,864 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-05 17:48:29,225 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:48:29,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2677 treesize of output 2225 [2024-04-05 17:48:29,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1972083760, now seen corresponding path program 1 times [2024-04-05 17:48:29,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:29,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:48:29,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:48:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:48:29,767 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:48:29,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2679 treesize of output 2227 [2024-04-05 17:48:30,342 INFO L85 PathProgramCache]: Analyzing trace with hash -237706060, now seen corresponding path program 1 times [2024-04-05 17:48:30,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:30,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:48:30,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 17:48:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 17:48:30,589 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 102 treesize of output 70 [2024-04-05 17:48:30,599 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 92 treesize of output 68 [2024-04-05 17:48:32,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1526321461, now seen corresponding path program 1 times [2024-04-05 17:48:32,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:32,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:33,042 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 17:48:33,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:33,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 17:48:33,477 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:48:33,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1375 treesize of output 1147 [2024-04-05 17:48:33,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1294314837, now seen corresponding path program 1 times [2024-04-05 17:48:33,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:33,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 17:48:33,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:33,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:34,121 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 17:48:34,283 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 92 treesize of output 68 [2024-04-05 17:48:34,296 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 102 treesize of output 70 [2024-04-05 17:48:36,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1534628790, now seen corresponding path program 2 times [2024-04-05 17:48:36,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:36,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:37,013 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 17:48:37,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:37,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:37,130 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 17:48:37,408 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 92 treesize of output 68 [2024-04-05 17:48:37,420 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 102 treesize of output 70 [2024-04-05 17:48:39,917 INFO L85 PathProgramCache]: Analyzing trace with hash -290962803, now seen corresponding path program 1 times [2024-04-05 17:48:39,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:39,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:40,057 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 17:48:40,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:40,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:40,165 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 17:48:42,313 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-05 17:48:42,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1341 treesize of output 1113 [2024-04-05 17:48:42,857 INFO L85 PathProgramCache]: Analyzing trace with hash -424067717, now seen corresponding path program 1 times [2024-04-05 17:48:42,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:42,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-05 17:48:42,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 17:48:42,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 17:48:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 17:48:43,132 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.