./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fbe9f324c9eba6beb8c990e3f85f0b00a68548fe05ffdb4e97bc061354d1cdf2 --traceabstraction.commutativity.condition.synthesis NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 07:11:08,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 07:11:08,114 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 07:11:08,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 07:11:08,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 07:11:08,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 07:11:08,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 07:11:08,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 07:11:08,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 07:11:08,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 07:11:08,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 07:11:08,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 07:11:08,140 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 07:11:08,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 07:11:08,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 07:11:08,140 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 07:11:08,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 07:11:08,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 07:11:08,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 07:11:08,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 07:11:08,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 07:11:08,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 07:11:08,141 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 07:11:08,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 07:11:08,141 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 07:11:08,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 07:11:08,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 07:11:08,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 07:11:08,141 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 07:11:08,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 07:11:08,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 07:11:08,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 07:11:08,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 07:11:08,142 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 07:11:08,142 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 07:11:08,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 07:11:08,142 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 07:11:08,142 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 07:11:08,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 07:11:08,142 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 07:11:08,142 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 07:11:08,142 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 07:11:08,142 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 07:11:08,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbe9f324c9eba6beb8c990e3f85f0b00a68548fe05ffdb4e97bc061354d1cdf2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2024-12-17 07:11:08,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 07:11:08,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 07:11:08,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 07:11:08,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 07:11:08,365 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 07:11:08,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2024-12-17 07:11:09,437 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/0ff2dce41/6620b3e3c4434dde9336cacde1701e6b/FLAG8b8f4d8da [2024-12-17 07:11:09,652 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 07:11:09,653 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2024-12-17 07:11:09,659 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/0ff2dce41/6620b3e3c4434dde9336cacde1701e6b/FLAG8b8f4d8da [2024-12-17 07:11:10,008 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/0ff2dce41/6620b3e3c4434dde9336cacde1701e6b [2024-12-17 07:11:10,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 07:11:10,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 07:11:10,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 07:11:10,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 07:11:10,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 07:11:10,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:11:10" (1/1) ... [2024-12-17 07:11:10,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d7cc67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:11:10, skipping insertion in model container [2024-12-17 07:11:10,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:11:10" (1/1) ... [2024-12-17 07:11:10,030 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 07:11:10,137 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c[2707,2720] [2024-12-17 07:11:10,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 07:11:10,152 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 07:11:10,169 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c[2707,2720] [2024-12-17 07:11:10,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 07:11:10,183 INFO L204 MainTranslator]: Completed translation [2024-12-17 07:11:10,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:11:10 WrapperNode [2024-12-17 07:11:10,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 07:11:10,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 07:11:10,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 07:11:10,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 07:11:10,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:11:10" (1/1) ... [2024-12-17 07:11:10,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:11:10" (1/1) ... [2024-12-17 07:11:10,212 INFO L138 Inliner]: procedures = 23, calls = 35, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 179 [2024-12-17 07:11:10,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 07:11:10,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 07:11:10,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 07:11:10,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 07:11:10,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:11:10" (1/1) ... [2024-12-17 07:11:10,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:11:10" (1/1) ... [2024-12-17 07:11:10,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:11:10" (1/1) ... [2024-12-17 07:11:10,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:11:10" (1/1) ... [2024-12-17 07:11:10,229 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:11:10" (1/1) ... [2024-12-17 07:11:10,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:11:10" (1/1) ... [2024-12-17 07:11:10,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:11:10" (1/1) ... [2024-12-17 07:11:10,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:11:10" (1/1) ... [2024-12-17 07:11:10,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:11:10" (1/1) ... [2024-12-17 07:11:10,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 07:11:10,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 07:11:10,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 07:11:10,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 07:11:10,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:11:10" (1/1) ... [2024-12-17 07:11:10,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 07:11:10,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:11:10,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-17 07:11:10,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-17 07:11:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 07:11:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 07:11:10,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 07:11:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 07:11:10,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 07:11:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 07:11:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 07:11:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 07:11:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 07:11:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 07:11:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 07:11:10,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 07:11:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 07:11:10,296 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 07:11:10,376 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 07:11:10,378 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 07:11:10,598 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 07:11:10,598 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 07:11:10,765 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 07:11:10,765 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 07:11:10,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:11:10 BoogieIcfgContainer [2024-12-17 07:11:10,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 07:11:10,767 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 07:11:10,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 07:11:10,771 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 07:11:10,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:11:10" (1/3) ... [2024-12-17 07:11:10,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685b3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:11:10, skipping insertion in model container [2024-12-17 07:11:10,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:11:10" (2/3) ... [2024-12-17 07:11:10,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685b3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:11:10, skipping insertion in model container [2024-12-17 07:11:10,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:11:10" (3/3) ... [2024-12-17 07:11:10,773 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-counter-fun.wvr.c [2024-12-17 07:11:10,783 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 07:11:10,784 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-counter-fun.wvr.c that has 3 procedures, 23 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-12-17 07:11:10,785 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 07:11:10,839 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-17 07:11:10,874 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 07:11:10,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 07:11:10,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:11:10,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-17 07:11:10,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-17 07:11:10,934 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 07:11:10,941 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 07:11:10,949 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c4b0fe9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 07:11:10,949 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-17 07:11:11,168 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:11:11,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:11:11,171 INFO L85 PathProgramCache]: Analyzing trace with hash -134407652, now seen corresponding path program 1 times [2024-12-17 07:11:11,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 07:11:11,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018051632] [2024-12-17 07:11:11,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 07:11:11,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 07:11:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 07:11:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 07:11:11,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 07:11:11,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018051632] [2024-12-17 07:11:11,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018051632] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 07:11:11,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 07:11:11,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-17 07:11:11,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214306816] [2024-12-17 07:11:11,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 07:11:11,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-17 07:11:11,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 07:11:11,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 07:11:11,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-17 07:11:11,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:11:11,482 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:11:11,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 07:11:11,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:11:11,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:11:11,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 07:11:11,602 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:11:11,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:11:11,603 INFO L85 PathProgramCache]: Analyzing trace with hash -2145713577, now seen corresponding path program 1 times [2024-12-17 07:11:11,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 07:11:11,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949947367] [2024-12-17 07:11:11,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 07:11:11,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 07:11:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 07:11:11,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 07:11:11,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 07:11:11,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949947367] [2024-12-17 07:11:11,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949947367] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 07:11:11,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 07:11:11,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 07:11:11,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25763512] [2024-12-17 07:11:11,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 07:11:11,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 07:11:11,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 07:11:11,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 07:11:11,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 07:11:11,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:11:11,824 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:11:11,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-12-17 07:11:11,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:11:11,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:11:11,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:11:11,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:11:11,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 07:11:11,885 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:11:11,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:11:11,886 INFO L85 PathProgramCache]: Analyzing trace with hash -897684209, now seen corresponding path program 1 times [2024-12-17 07:11:11,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 07:11:11,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005364412] [2024-12-17 07:11:11,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 07:11:11,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 07:11:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 07:11:12,023 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 07:11:12,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 07:11:12,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005364412] [2024-12-17 07:11:12,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005364412] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 07:11:12,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 07:11:12,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 07:11:12,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730109227] [2024-12-17 07:11:12,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 07:11:12,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 07:11:12,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 07:11:12,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 07:11:12,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 07:11:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:11:12,025 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:11:12,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 07:11:12,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:11:12,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:11:12,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:11:12,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:11:12,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:11:12,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:11:12,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-17 07:11:12,073 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:11:12,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:11:12,073 INFO L85 PathProgramCache]: Analyzing trace with hash -807069443, now seen corresponding path program 1 times [2024-12-17 07:11:12,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 07:11:12,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158052331] [2024-12-17 07:11:12,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 07:11:12,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 07:11:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 07:11:12,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 07:11:12,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 07:11:12,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158052331] [2024-12-17 07:11:12,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158052331] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 07:11:12,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764385198] [2024-12-17 07:11:12,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 07:11:12,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:11:12,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:11:12,196 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 07:11:12,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-17 07:11:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 07:11:12,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-17 07:11:12,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 07:11:12,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 07:11:12,360 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 07:11:12,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 07:11:12,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764385198] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 07:11:12,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 07:11:12,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 13 [2024-12-17 07:11:12,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99309611] [2024-12-17 07:11:12,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 07:11:12,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-17 07:11:12,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 07:11:12,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-17 07:11:12,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-12-17 07:11:12,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:11:12,412 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:11:12,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 07:11:12,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:11:12,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:11:12,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:11:12,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:11:12,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:11:12,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:11:12,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:11:12,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 07:11:12,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-17 07:11:12,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:11:12,863 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:11:12,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:11:12,863 INFO L85 PathProgramCache]: Analyzing trace with hash 493540339, now seen corresponding path program 2 times [2024-12-17 07:11:12,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 07:11:12,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255039861] [2024-12-17 07:11:12,863 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 07:11:12,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 07:11:12,896 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 07:11:12,897 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 07:11:13,063 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 07:11:13,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 07:11:13,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255039861] [2024-12-17 07:11:13,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255039861] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 07:11:13,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359311664] [2024-12-17 07:11:13,065 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 07:11:13,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:11:13,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:11:13,067 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 07:11:13,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-17 07:11:13,162 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 07:11:13,162 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 07:11:13,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 07:11:13,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 07:11:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 07:11:13,315 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 07:11:13,402 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-17 07:11:13,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359311664] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 07:11:13,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 07:11:13,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 7] total 18 [2024-12-17 07:11:13,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268668895] [2024-12-17 07:11:13,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 07:11:13,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-17 07:11:13,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 07:11:13,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-17 07:11:13,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-12-17 07:11:13,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:11:13,404 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:11:13,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 states have internal predecessors, (63), 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) [2024-12-17 07:11:13,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:11:13,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:11:13,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:11:13,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 07:11:13,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:11:13,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:11:13,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:11:13,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:11:13,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 07:11:13,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 07:11:13,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-17 07:11:13,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:11:13,970 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:11:13,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:11:13,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1701822505, now seen corresponding path program 3 times [2024-12-17 07:11:13,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 07:11:13,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136482357] [2024-12-17 07:11:13,971 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 07:11:13,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 07:11:13,993 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 07:11:13,993 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 07:11:14,215 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-17 07:11:14,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 07:11:14,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136482357] [2024-12-17 07:11:14,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136482357] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 07:11:14,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963723327] [2024-12-17 07:11:14,215 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 07:11:14,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:11:14,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:11:14,218 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 07:11:14,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-17 07:11:14,304 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 07:11:14,304 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 07:11:14,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-17 07:11:14,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 07:11:14,391 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-17 07:11:14,392 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 07:11:14,417 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 36 treesize of output 12 [2024-12-17 07:11:14,495 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-17 07:11:14,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963723327] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 07:11:14,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 07:11:14,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2024-12-17 07:11:14,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672466502] [2024-12-17 07:11:14,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 07:11:14,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-17 07:11:14,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 07:11:14,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-17 07:11:14,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-12-17 07:11:14,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:11:14,497 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:11:14,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 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) [2024-12-17 07:11:14,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:11:14,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:11:14,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:11:14,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 07:11:14,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 07:11:14,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:11:14,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:11:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:11:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:11:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 07:11:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 07:11:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:11:14,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-17 07:11:14,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:11:14,805 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:11:14,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:11:14,805 INFO L85 PathProgramCache]: Analyzing trace with hash 183575877, now seen corresponding path program 4 times [2024-12-17 07:11:14,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 07:11:14,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782230603] [2024-12-17 07:11:14,805 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 07:11:14,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 07:11:14,890 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 07:11:14,894 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 07:11:16,040 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 07:11:16,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 07:11:16,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782230603] [2024-12-17 07:11:16,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782230603] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 07:11:16,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598179220] [2024-12-17 07:11:16,042 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 07:11:16,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:11:16,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:11:16,044 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 07:11:16,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-17 07:11:16,144 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 07:11:16,144 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 07:11:16,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-12-17 07:11:16,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 07:11:16,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-17 07:11:16,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-17 07:11:16,219 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-17 07:11:16,219 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 11 treesize of output 11 [2024-12-17 07:11:16,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 07:11:16,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-17 07:11:16,622 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 17 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-17 07:11:16,623 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 07:11:18,518 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 07:11:18,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 375 treesize of output 207 [2024-12-17 07:11:18,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 07:11:18,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 602 treesize of output 620 [2024-12-17 07:11:18,807 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 07:11:18,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 434 treesize of output 468 [2024-12-17 07:12:35,592 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-17 07:12:35,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598179220] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 07:12:35,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 07:12:35,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 12] total 30 [2024-12-17 07:12:35,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435760069] [2024-12-17 07:12:35,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 07:12:35,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-12-17 07:12:35,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 07:12:35,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-12-17 07:12:35,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=699, Unknown=2, NotChecked=0, Total=930 [2024-12-17 07:12:35,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:12:35,594 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:12:35,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 30 states have internal predecessors, (103), 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) [2024-12-17 07:12:35,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:12:35,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:12:35,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:12:35,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 07:12:35,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 07:12:35,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:12:35,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:12:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:12:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:12:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:12:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 07:12:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 07:12:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:12:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-17 07:12:37,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-17 07:12:37,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:12:37,462 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:12:37,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:12:37,462 INFO L85 PathProgramCache]: Analyzing trace with hash 518907901, now seen corresponding path program 5 times [2024-12-17 07:12:37,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 07:12:37,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046197678] [2024-12-17 07:12:37,462 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 07:12:37,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 07:12:37,533 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-17 07:12:37,534 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 07:12:39,698 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 07:12:39,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 07:12:39,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046197678] [2024-12-17 07:12:39,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046197678] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 07:12:39,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380403360] [2024-12-17 07:12:39,699 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 07:12:39,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:12:39,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:12:39,701 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 07:12:39,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-17 07:12:39,818 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-17 07:12:39,818 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 07:12:39,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-12-17 07:12:39,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 07:12:39,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-17 07:12:40,626 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 12 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-17 07:12:40,626 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 07:12:41,959 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 07:12:41,960 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 7884 treesize of output 7012 [2024-12-17 07:12:42,963 INFO L349 Elim1Store]: treesize reduction 122, result has 73.3 percent of original size [2024-12-17 07:12:42,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 15 new quantified variables, introduced 36 case distinctions, treesize of input 7796 treesize of output 5376 [2024-12-17 07:14:29,281 WARN L249 Executor]: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-17 07:14:29,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2024-12-17 07:14:29,282 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-12-17 07:14:29,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-17 07:14:29,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:29,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-12-17 07:14:29,489 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:192) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:122) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:542) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:521) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:514) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:325) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.pushContext(SimplifyDDA.java:738) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:389) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:648) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:223) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:346) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:227) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) ... 64 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 80 more [2024-12-17 07:14:29,497 INFO L158 Benchmark]: Toolchain (without parser) took 199485.85ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 105.3MB in the beginning and 680.1MB in the end (delta: -574.8MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-12-17 07:14:29,497 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 201.3MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 07:14:29,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.96ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 93.0MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 07:14:29,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.30ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 91.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 07:14:29,497 INFO L158 Benchmark]: Boogie Preprocessor took 27.71ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 89.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 07:14:29,497 INFO L158 Benchmark]: RCFGBuilder took 524.29ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 38.1MB in the end (delta: 51.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-17 07:14:29,497 INFO L158 Benchmark]: TraceAbstraction took 198728.79ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 38.1MB in the beginning and 680.1MB in the end (delta: -642.0MB). Peak memory consumption was 960.2MB. Max. memory is 16.1GB. [2024-12-17 07:14:29,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 201.3MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.96ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 93.0MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.30ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 91.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.71ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 89.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 524.29ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 38.1MB in the end (delta: 51.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 198728.79ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 38.1MB in the beginning and 680.1MB in the end (delta: -642.0MB). Peak memory consumption was 960.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:192) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fbe9f324c9eba6beb8c990e3f85f0b00a68548fe05ffdb4e97bc061354d1cdf2 --traceabstraction.commutativity.condition.synthesis NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 07:14:31,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 07:14:31,220 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-12-17 07:14:31,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 07:14:31,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 07:14:31,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 07:14:31,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 07:14:31,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 07:14:31,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 07:14:31,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 07:14:31,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 07:14:31,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 07:14:31,249 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 07:14:31,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 07:14:31,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 07:14:31,249 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 07:14:31,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 07:14:31,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 07:14:31,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 07:14:31,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 07:14:31,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 07:14:31,250 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-17 07:14:31,250 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-17 07:14:31,250 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 07:14:31,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 07:14:31,250 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 07:14:31,250 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 07:14:31,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 07:14:31,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 07:14:31,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 07:14:31,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 07:14:31,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 07:14:31,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 07:14:31,252 INFO L153 SettingsManager]: * Refinement strategy for commutativity condition synthesis=FOX [2024-12-17 07:14:31,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 07:14:31,252 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 07:14:31,252 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 07:14:31,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 07:14:31,252 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-17 07:14:31,252 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 07:14:31,252 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-17 07:14:31,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 07:14:31,252 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 07:14:31,252 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 07:14:31,252 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 07:14:31,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbe9f324c9eba6beb8c990e3f85f0b00a68548fe05ffdb4e97bc061354d1cdf2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2024-12-17 07:14:31,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 07:14:31,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 07:14:31,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 07:14:31,468 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 07:14:31,468 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 07:14:31,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2024-12-17 07:14:32,579 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/b8711ae3a/816ca93d4d7444b3ba3e11399be85b8b/FLAGefe11e3a1 [2024-12-17 07:14:32,771 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 07:14:32,771 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2024-12-17 07:14:32,779 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/b8711ae3a/816ca93d4d7444b3ba3e11399be85b8b/FLAGefe11e3a1 [2024-12-17 07:14:33,146 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/b8711ae3a/816ca93d4d7444b3ba3e11399be85b8b [2024-12-17 07:14:33,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 07:14:33,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 07:14:33,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 07:14:33,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 07:14:33,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 07:14:33,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:14:33" (1/1) ... [2024-12-17 07:14:33,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a3b84c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:14:33, skipping insertion in model container [2024-12-17 07:14:33,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:14:33" (1/1) ... [2024-12-17 07:14:33,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 07:14:33,278 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c[2707,2720] [2024-12-17 07:14:33,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 07:14:33,295 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 07:14:33,311 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c[2707,2720] [2024-12-17 07:14:33,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 07:14:33,322 INFO L204 MainTranslator]: Completed translation [2024-12-17 07:14:33,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:14:33 WrapperNode [2024-12-17 07:14:33,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 07:14:33,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 07:14:33,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 07:14:33,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 07:14:33,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:14:33" (1/1) ... [2024-12-17 07:14:33,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:14:33" (1/1) ... [2024-12-17 07:14:33,352 INFO L138 Inliner]: procedures = 25, calls = 35, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 174 [2024-12-17 07:14:33,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 07:14:33,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 07:14:33,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 07:14:33,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 07:14:33,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:14:33" (1/1) ... [2024-12-17 07:14:33,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:14:33" (1/1) ... [2024-12-17 07:14:33,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:14:33" (1/1) ... [2024-12-17 07:14:33,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:14:33" (1/1) ... [2024-12-17 07:14:33,364 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:14:33" (1/1) ... [2024-12-17 07:14:33,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:14:33" (1/1) ... [2024-12-17 07:14:33,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:14:33" (1/1) ... [2024-12-17 07:14:33,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:14:33" (1/1) ... [2024-12-17 07:14:33,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:14:33" (1/1) ... [2024-12-17 07:14:33,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 07:14:33,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 07:14:33,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 07:14:33,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 07:14:33,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:14:33" (1/1) ... [2024-12-17 07:14:33,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 07:14:33,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:14:33,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-17 07:14:33,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-17 07:14:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 07:14:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 07:14:33,423 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 07:14:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 07:14:33,424 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 07:14:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-17 07:14:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 07:14:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 07:14:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 07:14:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-17 07:14:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 07:14:33,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 07:14:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-17 07:14:33,425 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 07:14:33,507 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 07:14:33,509 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 07:14:33,807 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 07:14:33,807 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 07:14:34,044 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 07:14:34,044 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 07:14:34,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:14:34 BoogieIcfgContainer [2024-12-17 07:14:34,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 07:14:34,048 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 07:14:34,048 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 07:14:34,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 07:14:34,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:14:33" (1/3) ... [2024-12-17 07:14:34,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66603af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:14:34, skipping insertion in model container [2024-12-17 07:14:34,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:14:33" (2/3) ... [2024-12-17 07:14:34,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66603af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:14:34, skipping insertion in model container [2024-12-17 07:14:34,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:14:34" (3/3) ... [2024-12-17 07:14:34,053 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-counter-fun.wvr.c [2024-12-17 07:14:34,064 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 07:14:34,065 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-counter-fun.wvr.c that has 3 procedures, 23 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-12-17 07:14:34,065 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 07:14:34,102 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-17 07:14:34,135 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 07:14:34,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 07:14:34,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:14:34,138 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-17 07:14:34,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-17 07:14:34,190 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 07:14:34,202 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 07:14:34,206 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@602f5679, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 07:14:34,206 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-17 07:14:35,495 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:14:35,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:14:35,498 INFO L85 PathProgramCache]: Analyzing trace with hash 147082972, now seen corresponding path program 1 times [2024-12-17 07:14:35,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 07:14:35,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [658792342] [2024-12-17 07:14:35,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 07:14:35,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:35,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:14:35,560 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 07:14:35,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-17 07:14:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 07:14:35,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-17 07:14:35,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 07:14:35,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 07:14:35,702 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 07:14:35,703 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 07:14:35,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658792342] [2024-12-17 07:14:35,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658792342] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 07:14:35,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 07:14:35,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 07:14:35,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852236827] [2024-12-17 07:14:35,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 07:14:35,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 07:14:35,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 07:14:35,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 07:14:35,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-17 07:14:35,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:35,720 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:14:35,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 07:14:35,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:35,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:35,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-17 07:14:36,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:36,031 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:14:36,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:14:36,032 INFO L85 PathProgramCache]: Analyzing trace with hash -21654697, now seen corresponding path program 1 times [2024-12-17 07:14:36,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 07:14:36,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [594143336] [2024-12-17 07:14:36,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 07:14:36,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:36,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:14:36,034 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 07:14:36,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-17 07:14:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 07:14:36,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-17 07:14:36,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 07:14:36,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 07:14:36,207 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 07:14:36,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 07:14:36,389 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 07:14:36,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594143336] [2024-12-17 07:14:36,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594143336] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 07:14:36,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 07:14:36,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-12-17 07:14:36,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612033152] [2024-12-17 07:14:36,389 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 07:14:36,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-17 07:14:36,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 07:14:36,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-17 07:14:36,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-12-17 07:14:36,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:36,391 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:14:36,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 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) [2024-12-17 07:14:36,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:36,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:36,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:36,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:14:36,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-17 07:14:37,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:37,087 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:14:37,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:14:37,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1990085747, now seen corresponding path program 2 times [2024-12-17 07:14:37,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 07:14:37,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1728635573] [2024-12-17 07:14:37,088 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 07:14:37,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:37,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:14:37,090 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 07:14:37,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-17 07:14:37,174 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 07:14:37,174 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 07:14:37,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-17 07:14:37,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 07:14:37,258 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-17 07:14:37,258 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 07:14:37,258 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 07:14:37,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728635573] [2024-12-17 07:14:37,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728635573] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 07:14:37,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 07:14:37,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 07:14:37,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681655104] [2024-12-17 07:14:37,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 07:14:37,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 07:14:37,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 07:14:37,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 07:14:37,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 07:14:37,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:37,259 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:14:37,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-12-17 07:14:37,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:37,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:14:37,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:37,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:37,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:14:37,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:37,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-17 07:14:37,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:37,526 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:14:37,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:14:37,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1100252987, now seen corresponding path program 1 times [2024-12-17 07:14:37,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 07:14:37,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1207958060] [2024-12-17 07:14:37,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 07:14:37,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:37,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:14:37,529 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 07:14:37,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-17 07:14:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 07:14:37,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-17 07:14:37,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 07:14:37,657 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-17 07:14:37,657 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 07:14:37,657 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 07:14:37,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207958060] [2024-12-17 07:14:37,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207958060] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 07:14:37,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 07:14:37,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 07:14:37,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778609850] [2024-12-17 07:14:37,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 07:14:37,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 07:14:37,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 07:14:37,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 07:14:37,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 07:14:37,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:37,659 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:14:37,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-12-17 07:14:37,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:37,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:14:37,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:37,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:37,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:37,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:14:37,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:37,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:37,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-17 07:14:37,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:37,916 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:14:37,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:14:37,917 INFO L85 PathProgramCache]: Analyzing trace with hash -739729421, now seen corresponding path program 1 times [2024-12-17 07:14:37,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 07:14:37,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525299586] [2024-12-17 07:14:37,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 07:14:37,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:37,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:14:37,919 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 07:14:37,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-17 07:14:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 07:14:38,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 07:14:38,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 07:14:38,484 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-17 07:14:38,487 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 07:14:38,487 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 24 treesize of output 13 [2024-12-17 07:14:38,517 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-17 07:14:38,517 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 07:14:38,985 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 07:14:38,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 70 [2024-12-17 07:14:40,440 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-17 07:14:40,441 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 07:14:40,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525299586] [2024-12-17 07:14:40,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525299586] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 07:14:40,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 07:14:40,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2024-12-17 07:14:40,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072411556] [2024-12-17 07:14:40,441 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 07:14:40,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-17 07:14:40,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 07:14:40,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-17 07:14:40,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2024-12-17 07:14:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:40,442 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:14:40,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 17 states have internal predecessors, (54), 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) [2024-12-17 07:14:40,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:40,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:14:40,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:40,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:40,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:41,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:41,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:14:41,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:41,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:41,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 07:14:41,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-17 07:14:41,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:41,388 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:14:41,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:14:41,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1253392417, now seen corresponding path program 2 times [2024-12-17 07:14:41,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 07:14:41,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [181101683] [2024-12-17 07:14:41,389 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 07:14:41,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:41,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:14:41,391 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 07:14:41,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-17 07:14:41,485 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 07:14:41,485 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 07:14:41,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-17 07:14:41,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 07:14:41,573 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 34 treesize of output 10 [2024-12-17 07:14:41,607 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-17 07:14:41,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 07:14:41,626 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 36 treesize of output 12 [2024-12-17 07:14:41,691 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-17 07:14:41,691 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 07:14:41,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181101683] [2024-12-17 07:14:41,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181101683] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 07:14:41,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 07:14:41,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2024-12-17 07:14:41,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681878376] [2024-12-17 07:14:41,692 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 07:14:41,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-17 07:14:41,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 07:14:41,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-17 07:14:41,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-17 07:14:41,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:41,692 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:14:41,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) [2024-12-17 07:14:41,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:41,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:14:41,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:41,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:41,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 07:14:41,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:41,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:41,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:14:41,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:41,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:41,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 07:14:41,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:41,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-17 07:14:42,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:42,060 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:14:42,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:14:42,060 INFO L85 PathProgramCache]: Analyzing trace with hash -287374387, now seen corresponding path program 3 times [2024-12-17 07:14:42,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 07:14:42,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114541775] [2024-12-17 07:14:42,062 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 07:14:42,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:42,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:14:42,065 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 07:14:42,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-17 07:14:42,176 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-17 07:14:42,177 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 07:14:42,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-17 07:14:42,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 07:14:42,350 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 07:14:42,350 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 07:14:42,735 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 07:14:42,736 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 07:14:42,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114541775] [2024-12-17 07:14:42,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114541775] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 07:14:42,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 07:14:42,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2024-12-17 07:14:42,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552278701] [2024-12-17 07:14:42,736 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 07:14:42,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-17 07:14:42,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 07:14:42,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-17 07:14:42,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2024-12-17 07:14:42,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:42,737 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:14:42,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 22 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 07:14:42,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:42,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:14:42,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:42,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:42,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 07:14:42,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:42,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:43,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:43,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:14:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 07:14:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-17 07:14:43,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-12-17 07:14:44,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:44,173 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:14:44,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:14:44,174 INFO L85 PathProgramCache]: Analyzing trace with hash 2006851897, now seen corresponding path program 4 times [2024-12-17 07:14:44,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 07:14:44,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1653623233] [2024-12-17 07:14:44,174 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 07:14:44,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:44,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:14:44,176 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 07:14:44,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-17 07:14:44,270 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 07:14:44,271 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 07:14:44,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-17 07:14:44,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 07:14:44,632 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 07:14:44,632 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 07:14:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 07:14:45,648 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 07:14:45,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653623233] [2024-12-17 07:14:45,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653623233] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 07:14:45,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 07:14:45,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 38 [2024-12-17 07:14:45,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481178366] [2024-12-17 07:14:45,648 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 07:14:45,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-12-17 07:14:45,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 07:14:45,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-12-17 07:14:45,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=1115, Unknown=0, NotChecked=0, Total=1406 [2024-12-17 07:14:45,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:45,650 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:14:45,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.973684210526316) internal successors, (113), 38 states have internal predecessors, (113), 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) [2024-12-17 07:14:45,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:45,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:14:45,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:45,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:45,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 07:14:45,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:45,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-17 07:14:45,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:51,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:51,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:14:51,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:51,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:51,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 07:14:51,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:51,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-17 07:14:51,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-17 07:14:51,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-12-17 07:14:51,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:51,820 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:14:51,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:14:51,821 INFO L85 PathProgramCache]: Analyzing trace with hash -2085302255, now seen corresponding path program 5 times [2024-12-17 07:14:51,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 07:14:51,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1836411263] [2024-12-17 07:14:51,821 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 07:14:51,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:14:51,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:14:51,823 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 07:14:51,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-17 07:14:52,313 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-12-17 07:14:52,314 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 07:14:52,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-17 07:14:52,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 07:14:53,244 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 0 proven. 690 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 07:14:53,245 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 07:14:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 0 proven. 690 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 07:14:56,297 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 07:14:56,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836411263] [2024-12-17 07:14:56,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836411263] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 07:14:56,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 07:14:56,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36] total 70 [2024-12-17 07:14:56,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713993208] [2024-12-17 07:14:56,297 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 07:14:56,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-12-17 07:14:56,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 07:14:56,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-12-17 07:14:56,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=947, Invalid=3883, Unknown=0, NotChecked=0, Total=4830 [2024-12-17 07:14:56,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:14:56,302 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:14:56,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 2.9857142857142858) internal successors, (209), 70 states have internal predecessors, (209), 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) [2024-12-17 07:14:56,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:14:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:14:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 07:14:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:14:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-17 07:14:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-17 07:14:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:15:31,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:15:31,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:15:31,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:15:31,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:15:31,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 07:15:31,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:15:31,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-17 07:15:31,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-17 07:15:31,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-12-17 07:15:31,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-17 07:15:31,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:15:31,384 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:15:31,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:15:31,384 INFO L85 PathProgramCache]: Analyzing trace with hash 982777281, now seen corresponding path program 6 times [2024-12-17 07:15:31,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 07:15:31,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2209768] [2024-12-17 07:15:31,385 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 07:15:31,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:15:31,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:15:31,387 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 07:15:31,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-17 07:15:32,480 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2024-12-17 07:15:32,480 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 07:15:32,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-12-17 07:15:32,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 07:15:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2920 backedges. 0 proven. 2914 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 07:15:35,260 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 07:15:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2920 backedges. 0 proven. 2914 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 07:15:46,220 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 07:15:46,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2209768] [2024-12-17 07:15:46,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2209768] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 07:15:46,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 07:15:46,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 68] total 134 [2024-12-17 07:15:46,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191982975] [2024-12-17 07:15:46,221 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 07:15:46,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2024-12-17 07:15:46,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 07:15:46,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2024-12-17 07:15:46,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3411, Invalid=14411, Unknown=0, NotChecked=0, Total=17822 [2024-12-17 07:15:46,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:15:46,226 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:15:46,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 2.9925373134328357) internal successors, (401), 134 states have internal predecessors, (401), 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) [2024-12-17 07:15:46,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:15:46,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:15:46,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:15:46,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:15:46,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 07:15:46,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:15:46,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-17 07:15:46,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-17 07:15:46,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-12-17 07:15:46,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:20:20,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:20:20,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:20:20,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:20:20,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:20:20,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 07:20:20,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:20:20,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-17 07:20:20,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-12-17 07:20:20,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-12-17 07:20:20,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2024-12-17 07:20:20,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-17 07:20:20,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:20:20,640 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 07:20:20,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 07:20:20,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1516660447, now seen corresponding path program 7 times [2024-12-17 07:20:20,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 07:20:20,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [819067836] [2024-12-17 07:20:20,642 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 07:20:20,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 07:20:20,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 07:20:20,646 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 07:20:20,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-17 07:20:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 07:20:21,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 1120 conjuncts, 131 conjuncts are in the unsatisfiable core [2024-12-17 07:20:21,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 07:20:31,793 INFO L134 CoverageAnalysis]: Checked inductivity of 11976 backedges. 0 proven. 11970 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 07:20:31,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 07:21:15,997 INFO L134 CoverageAnalysis]: Checked inductivity of 11976 backedges. 0 proven. 11970 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 07:21:15,997 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 07:21:15,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819067836] [2024-12-17 07:21:15,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819067836] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 07:21:15,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 07:21:15,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [132, 132] total 262 [2024-12-17 07:21:15,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702634103] [2024-12-17 07:21:15,997 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 07:21:15,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 262 states [2024-12-17 07:21:15,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 07:21:16,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 262 interpolants. [2024-12-17 07:21:16,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12947, Invalid=55435, Unknown=0, NotChecked=0, Total=68382 [2024-12-17 07:21:16,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:21:16,010 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 07:21:16,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 262 states, 262 states have (on average 2.99618320610687) internal successors, (785), 262 states have internal predecessors, (785), 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) [2024-12-17 07:21:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:21:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 07:21:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:21:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 07:21:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 07:21:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 07:21:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-17 07:21:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-12-17 07:21:16,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-12-17 07:21:16,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2024-12-17 07:21:16,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 07:21:29,788 WARN L286 SmtUtils]: Spent 7.13s on a formula simplification. DAG size of input: 514 DAG size of output: 386 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 07:22:02,495 WARN L286 SmtUtils]: Spent 23.52s on a formula simplification that was a NOOP. DAG size: 515 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 07:23:23,326 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 518 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 07:23:49,243 WARN L286 SmtUtils]: Spent 13.47s on a formula simplification that was a NOOP. DAG size: 447 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 07:24:09,889 WARN L286 SmtUtils]: Spent 9.78s on a formula simplification that was a NOOP. DAG size: 444 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 07:24:52,016 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 438 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Killed by 15