./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/26_stack_cas.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity SYMBOLIC_RELATION -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-ext/26_stack_cas.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity SYMBOLIC_RELATION -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-17 06:40:15,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 06:40:15,277 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 06:40:15,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 06:40:15,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 06:40:15,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 06:40:15,309 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 06:40:15,310 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 06:40:15,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 06:40:15,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 06:40:15,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 06:40:15,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 06:40:15,313 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 06:40:15,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 06:40:15,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 06:40:15,315 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 06:40:15,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 06:40:15,315 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 06:40:15,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 06:40:15,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 06:40:15,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 06:40:15,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 06:40:15,319 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 06:40:15,319 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 06:40:15,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 06:40:15,319 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 06:40:15,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 06:40:15,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 06:40:15,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 06:40:15,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 06:40:15,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 06:40:15,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 06:40:15,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 06:40:15,321 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 06:40:15,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 06:40:15,321 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 06:40:15,321 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 06:40:15,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 06:40:15,321 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 06:40:15,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 06:40:15,322 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 06:40:15,324 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION [2024-10-17 06:40:15,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 06:40:15,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 06:40:15,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 06:40:15,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 06:40:15,560 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 06:40:15,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/26_stack_cas.i [2024-10-17 06:40:16,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 06:40:17,175 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 06:40:17,176 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas.i [2024-10-17 06:40:17,190 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/102471f5d/6a59a6d0c2444d3fa3ec6d43c429a1fc/FLAG697eb1901 [2024-10-17 06:40:17,204 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/102471f5d/6a59a6d0c2444d3fa3ec6d43c429a1fc [2024-10-17 06:40:17,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 06:40:17,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 06:40:17,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 06:40:17,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 06:40:17,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 06:40:17,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 06:40:17" (1/1) ... [2024-10-17 06:40:17,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@617feed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:40:17, skipping insertion in model container [2024-10-17 06:40:17,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 06:40:17" (1/1) ... [2024-10-17 06:40:17,259 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 06:40:17,601 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas.i[31294,31307] [2024-10-17 06:40:17,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 06:40:17,624 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 06:40:17,669 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas.i[31294,31307] [2024-10-17 06:40:17,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 06:40:17,707 INFO L204 MainTranslator]: Completed translation [2024-10-17 06:40:17,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:40:17 WrapperNode [2024-10-17 06:40:17,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 06:40:17,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 06:40:17,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 06:40:17,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 06:40:17,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:40:17" (1/1) ... [2024-10-17 06:40:17,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:40:17" (1/1) ... [2024-10-17 06:40:17,757 INFO L138 Inliner]: procedures = 179, calls = 46, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 188 [2024-10-17 06:40:17,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 06:40:17,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 06:40:17,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 06:40:17,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 06:40:17,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:40:17" (1/1) ... [2024-10-17 06:40:17,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:40:17" (1/1) ... [2024-10-17 06:40:17,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:40:17" (1/1) ... [2024-10-17 06:40:17,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:40:17" (1/1) ... [2024-10-17 06:40:17,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:40:17" (1/1) ... [2024-10-17 06:40:17,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:40:17" (1/1) ... [2024-10-17 06:40:17,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:40:17" (1/1) ... [2024-10-17 06:40:17,779 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:40:17" (1/1) ... [2024-10-17 06:40:17,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 06:40:17,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 06:40:17,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 06:40:17,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 06:40:17,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:40:17" (1/1) ... [2024-10-17 06:40:17,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 06:40:17,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:40:17,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-17 06:40:17,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-17 06:40:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-17 06:40:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-17 06:40:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-17 06:40:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-17 06:40:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 06:40:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 06:40:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-17 06:40:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-17 06:40:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 06:40:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 06:40:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 06:40:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 06:40:17,880 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-17 06:40:18,043 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 06:40:18,044 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 06:40:18,300 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 06:40:18,301 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 06:40:18,477 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 06:40:18,477 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-17 06:40:18,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 06:40:18 BoogieIcfgContainer [2024-10-17 06:40:18,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 06:40:18,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 06:40:18,479 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 06:40:18,481 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 06:40:18,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 06:40:17" (1/3) ... [2024-10-17 06:40:18,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39072940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 06:40:18, skipping insertion in model container [2024-10-17 06:40:18,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 06:40:17" (2/3) ... [2024-10-17 06:40:18,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39072940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 06:40:18, skipping insertion in model container [2024-10-17 06:40:18,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 06:40:18" (3/3) ... [2024-10-17 06:40:18,484 INFO L112 eAbstractionObserver]: Analyzing ICFG 26_stack_cas.i [2024-10-17 06:40:18,497 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 06:40:18,497 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 06:40:18,497 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 06:40:18,536 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-17 06:40:18,567 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 06:40:18,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 06:40:18,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:40:18,570 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-17 06:40:18,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-17 06:40:18,641 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 06:40:18,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:18,660 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-10-17 06:40:18,670 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;@4eda1b38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 06:40:18,670 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-17 06:40:19,431 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:19,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:19,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1068284430, now seen corresponding path program 1 times [2024-10-17 06:40:19,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:19,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345154248] [2024-10-17 06:40:19,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:19,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:19,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:19,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345154248] [2024-10-17 06:40:19,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345154248] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 06:40:19,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 06:40:19,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 06:40:19,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496075927] [2024-10-17 06:40:19,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:40:19,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 06:40:19,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:19,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 06:40:19,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 06:40:19,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:19,742 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:19,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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) [2024-10-17 06:40:19,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:19,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:19,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 06:40:19,779 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:19,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:19,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1732640034, now seen corresponding path program 1 times [2024-10-17 06:40:19,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:19,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348774741] [2024-10-17 06:40:19,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:19,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:20,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:20,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:20,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348774741] [2024-10-17 06:40:20,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348774741] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:40:20,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406620433] [2024-10-17 06:40:20,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:20,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:40:20,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:40:20,228 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:40:20,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-17 06:40:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:20,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-17 06:40:20,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:40:20,391 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-17 06:40:20,392 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 [2024-10-17 06:40:20,508 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 0 case distinctions, treesize of input 16 treesize of output 16 [2024-10-17 06:40:20,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-17 06:40:20,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:20,599 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 06:40:20,707 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 06:40:20,707 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 19 treesize of output 20 [2024-10-17 06:40:20,712 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 33 treesize of output 25 [2024-10-17 06:40:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:20,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406620433] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 06:40:20,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 06:40:20,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 6] total 21 [2024-10-17 06:40:20,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749437909] [2024-10-17 06:40:20,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 06:40:20,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-17 06:40:20,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:20,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-17 06:40:20,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=431, Unknown=1, NotChecked=0, Total=506 [2024-10-17 06:40:20,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:20,867 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:20,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 3.090909090909091) internal successors, (68), 22 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:20,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:20,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:21,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:21,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-17 06:40:21,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-17 06:40:21,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-17 06:40:21,860 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:21,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:21,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1189565365, now seen corresponding path program 1 times [2024-10-17 06:40:21,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:21,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790323934] [2024-10-17 06:40:21,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:21,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:22,097 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-17 06:40:22,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:22,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790323934] [2024-10-17 06:40:22,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790323934] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 06:40:22,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 06:40:22,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 06:40:22,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944300407] [2024-10-17 06:40:22,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:40:22,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 06:40:22,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:22,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 06:40:22,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-17 06:40:22,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:22,100 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:22,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:22,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:22,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-17 06:40:22,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:22,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:22,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-17 06:40:22,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:22,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-17 06:40:22,160 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:22,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:22,160 INFO L85 PathProgramCache]: Analyzing trace with hash -694505680, now seen corresponding path program 1 times [2024-10-17 06:40:22,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:22,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839196427] [2024-10-17 06:40:22,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:22,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:22,242 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 43 proven. 5 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-17 06:40:22,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:22,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839196427] [2024-10-17 06:40:22,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839196427] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:40:22,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600907858] [2024-10-17 06:40:22,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:22,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:40:22,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:40:22,245 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:40:22,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-17 06:40:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:22,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-17 06:40:22,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:40:22,412 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-17 06:40:22,412 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 06:40:22,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600907858] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 06:40:22,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 06:40:22,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2024-10-17 06:40:22,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612680758] [2024-10-17 06:40:22,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:40:22,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 06:40:22,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:22,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 06:40:22,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-17 06:40:22,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:22,415 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:22,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:22,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:22,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-17 06:40:22,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:22,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:22,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:22,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-17 06:40:22,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:22,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:22,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-17 06:40:22,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:40:22,692 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:22,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:22,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1567204097, now seen corresponding path program 1 times [2024-10-17 06:40:22,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:22,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824531643] [2024-10-17 06:40:22,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:22,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:22,756 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:22,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:22,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824531643] [2024-10-17 06:40:22,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824531643] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:40:22,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94003736] [2024-10-17 06:40:22,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:22,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:40:22,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:40:22,759 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:40:22,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-17 06:40:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:22,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-17 06:40:22,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:40:22,892 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:22,893 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 06:40:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:22,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94003736] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 06:40:22,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 06:40:22,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-17 06:40:22,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091444444] [2024-10-17 06:40:22,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 06:40:22,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-17 06:40:22,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:22,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-17 06:40:22,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-17 06:40:22,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:22,939 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:22,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:22,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:22,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-17 06:40:22,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:22,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:22,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:23,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:23,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-17 06:40:23,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:23,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:23,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:23,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-17 06:40:23,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:40:23,227 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:23,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:23,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1738780614, now seen corresponding path program 1 times [2024-10-17 06:40:23,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:23,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160934880] [2024-10-17 06:40:23,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:23,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:23,901 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-17 06:40:23,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:23,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160934880] [2024-10-17 06:40:23,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160934880] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:40:23,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389495980] [2024-10-17 06:40:23,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:23,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:40:23,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:40:23,906 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:40:23,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-17 06:40:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:24,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-17 06:40:24,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:40:24,303 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-10-17 06:40:24,303 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 1 case distinctions, treesize of input 27 treesize of output 19 [2024-10-17 06:40:24,410 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:24,410 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 06:40:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:24,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389495980] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 06:40:24,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 06:40:24,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 7] total 28 [2024-10-17 06:40:24,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692166798] [2024-10-17 06:40:24,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 06:40:24,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-17 06:40:24,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:24,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-17 06:40:24,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=769, Unknown=3, NotChecked=0, Total=870 [2024-10-17 06:40:24,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:24,651 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:24,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 5.172413793103448) internal successors, (150), 29 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:24,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-17 06:40:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:24,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:26,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:26,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-17 06:40:26,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:26,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:26,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:26,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-17 06:40:26,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-17 06:40:26,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-17 06:40:26,512 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:26,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:26,513 INFO L85 PathProgramCache]: Analyzing trace with hash -655296777, now seen corresponding path program 2 times [2024-10-17 06:40:26,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:26,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158641285] [2024-10-17 06:40:26,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:26,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:26,658 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-10-17 06:40:26,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:26,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158641285] [2024-10-17 06:40:26,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158641285] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 06:40:26,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 06:40:26,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 06:40:26,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955635048] [2024-10-17 06:40:26,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:40:26,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 06:40:26,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:26,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 06:40:26,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 06:40:26,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:26,660 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:26,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:26,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:26,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-17 06:40:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-17 06:40:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-17 06:40:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-10-17 06:40:28,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:28,217 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-17 06:40:28,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-17 06:40:28,223 INFO L414 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-10-17 06:40:28,224 INFO L312 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2024-10-17 06:40:28,226 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 06:40:28,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 06:40:28,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:40:28,229 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-17 06:40:28,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2024-10-17 06:40:28,264 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 06:40:28,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:28,264 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 06:40:28,265 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;@4eda1b38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 06:40:28,265 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-17 06:40:28,537 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 06:40:28,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:28,537 INFO L85 PathProgramCache]: Analyzing trace with hash -319980758, now seen corresponding path program 1 times [2024-10-17 06:40:28,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:28,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430010542] [2024-10-17 06:40:28,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:28,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:28,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:28,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:28,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430010542] [2024-10-17 06:40:28,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430010542] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 06:40:28,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 06:40:28,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 06:40:28,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565869332] [2024-10-17 06:40:28,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:40:28,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 06:40:28,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:28,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 06:40:28,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 06:40:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:28,563 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:28,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:28,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:28,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:28,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-17 06:40:28,581 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 06:40:28,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:28,582 INFO L85 PathProgramCache]: Analyzing trace with hash 19260438, now seen corresponding path program 1 times [2024-10-17 06:40:28,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:28,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935272094] [2024-10-17 06:40:28,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:28,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 06:40:28,592 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 06:40:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 06:40:28,621 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-17 06:40:28,621 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-17 06:40:28,621 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-10-17 06:40:28,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-17 06:40:28,623 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-17 06:40:28,623 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2024-10-17 06:40:28,624 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-17 06:40:28,624 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-17 06:40:28,654 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-17 06:40:28,656 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 06:40:28,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 06:40:28,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:40:28,658 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-17 06:40:28,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2024-10-17 06:40:28,696 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 06:40:28,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:28,697 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 06:40:28,697 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;@4eda1b38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 06:40:28,697 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-17 06:40:31,332 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 06:40:31,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:31,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1644520901, now seen corresponding path program 1 times [2024-10-17 06:40:31,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:31,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283493628] [2024-10-17 06:40:31,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:31,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:31,440 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 06:40:31,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:31,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283493628] [2024-10-17 06:40:31,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283493628] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 06:40:31,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 06:40:31,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 06:40:31,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937266907] [2024-10-17 06:40:31,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:40:31,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 06:40:31,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:31,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 06:40:31,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 06:40:31,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:31,442 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:31,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:31,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:31,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:31,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-17 06:40:31,549 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 06:40:31,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:31,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1555883774, now seen corresponding path program 1 times [2024-10-17 06:40:31,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:31,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930403458] [2024-10-17 06:40:31,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:31,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:31,643 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-17 06:40:31,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:31,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930403458] [2024-10-17 06:40:31,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930403458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 06:40:31,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 06:40:31,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 06:40:31,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979736698] [2024-10-17 06:40:31,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:40:31,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 06:40:31,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:31,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 06:40:31,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-17 06:40:31,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:31,646 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:31,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:31,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:31,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:32,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:32,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-17 06:40:32,046 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 06:40:32,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:32,047 INFO L85 PathProgramCache]: Analyzing trace with hash 605866175, now seen corresponding path program 1 times [2024-10-17 06:40:32,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:32,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053296394] [2024-10-17 06:40:32,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:32,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:32,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:32,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053296394] [2024-10-17 06:40:32,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053296394] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:40:32,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700136822] [2024-10-17 06:40:32,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:32,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:40:32,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:40:32,097 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:40:32,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-17 06:40:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:32,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-17 06:40:32,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:40:32,247 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:32,248 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 06:40:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:32,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700136822] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 06:40:32,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 06:40:32,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-17 06:40:32,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621613286] [2024-10-17 06:40:32,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 06:40:32,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-17 06:40:32,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:32,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-17 06:40:32,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-17 06:40:32,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:32,288 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:32,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:32,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:32,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:32,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:32,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:32,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:32,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:32,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-17 06:40:32,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:40:32,545 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 06:40:32,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:32,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1850241810, now seen corresponding path program 1 times [2024-10-17 06:40:32,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:32,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813880763] [2024-10-17 06:40:32,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:32,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:32,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:32,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813880763] [2024-10-17 06:40:32,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813880763] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:40:32,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200178510] [2024-10-17 06:40:32,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:32,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:40:32,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:40:32,874 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:40:32,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-17 06:40:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:32,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-17 06:40:32,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:40:33,054 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-17 06:40:33,055 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 [2024-10-17 06:40:33,156 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 0 case distinctions, treesize of input 16 treesize of output 16 [2024-10-17 06:40:33,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-17 06:40:33,206 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:33,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 06:40:33,296 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 06:40:33,297 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 19 treesize of output 20 [2024-10-17 06:40:33,298 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 33 treesize of output 25 [2024-10-17 06:40:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:33,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200178510] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 06:40:33,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 06:40:33,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 26 [2024-10-17 06:40:33,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868960878] [2024-10-17 06:40:33,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 06:40:33,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-17 06:40:33,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:33,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-17 06:40:33,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=572, Unknown=4, NotChecked=0, Total=702 [2024-10-17 06:40:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:33,431 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:33,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.814814814814815) internal successors, (103), 26 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) [2024-10-17 06:40:33,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:33,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:33,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:33,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:34,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:34,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:34,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:34,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 06:40:34,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-17 06:40:34,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:40:34,367 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-17 06:40:34,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:34,368 INFO L85 PathProgramCache]: Analyzing trace with hash 42787347, now seen corresponding path program 1 times [2024-10-17 06:40:34,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:34,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628258872] [2024-10-17 06:40:34,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:34,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 06:40:34,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 06:40:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 06:40:34,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-17 06:40:34,422 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-17 06:40:34,422 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-10-17 06:40:34,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-17 06:40:34,425 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-17 06:40:34,426 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2024-10-17 06:40:34,426 WARN L239 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-17 06:40:34,426 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-10-17 06:40:34,466 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-17 06:40:34,468 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 06:40:34,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 06:40:34,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:40:34,470 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-17 06:40:34,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Waiting until timeout for monitored process [2024-10-17 06:40:34,513 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 06:40:34,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:34,513 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2024-10-17 06:40:34,514 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;@4eda1b38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 06:40:34,514 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-17 06:40:42,114 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:42,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:42,115 INFO L85 PathProgramCache]: Analyzing trace with hash -2111897433, now seen corresponding path program 1 times [2024-10-17 06:40:42,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:42,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309357006] [2024-10-17 06:40:42,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:42,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:42,188 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-17 06:40:42,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:42,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309357006] [2024-10-17 06:40:42,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309357006] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 06:40:42,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 06:40:42,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 06:40:42,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218909588] [2024-10-17 06:40:42,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:40:42,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 06:40:42,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:42,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 06:40:42,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 06:40:42,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:42,190 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:42,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:42,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:42,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-17 06:40:42,282 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:42,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:42,283 INFO L85 PathProgramCache]: Analyzing trace with hash -2004497964, now seen corresponding path program 1 times [2024-10-17 06:40:42,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:42,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132360123] [2024-10-17 06:40:42,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:42,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:42,442 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-17 06:40:42,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:42,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132360123] [2024-10-17 06:40:42,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132360123] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 06:40:42,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 06:40:42,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 06:40:42,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733977740] [2024-10-17 06:40:42,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:40:42,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 06:40:42,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:42,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 06:40:42,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-17 06:40:42,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:42,447 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:42,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:42,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:42,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:42,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:42,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:42,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-17 06:40:42,978 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:42,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:42,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1014203919, now seen corresponding path program 1 times [2024-10-17 06:40:42,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:42,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513463020] [2024-10-17 06:40:42,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:42,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:43,058 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 06:40:43,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:43,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513463020] [2024-10-17 06:40:43,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513463020] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:40:43,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506192225] [2024-10-17 06:40:43,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:43,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:40:43,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:40:43,061 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:40:43,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-17 06:40:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:43,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-17 06:40:43,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:40:43,268 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 06:40:43,268 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 06:40:43,317 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 06:40:43,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506192225] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 06:40:43,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 06:40:43,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-17 06:40:43,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61369375] [2024-10-17 06:40:43,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 06:40:43,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-17 06:40:43,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:43,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-17 06:40:43,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-17 06:40:43,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:43,320 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:43,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:43,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:43,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:43,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:43,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:43,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:43,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:43,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-17 06:40:43,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-17 06:40:43,710 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:43,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:43,711 INFO L85 PathProgramCache]: Analyzing trace with hash -665676961, now seen corresponding path program 1 times [2024-10-17 06:40:43,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:43,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746204874] [2024-10-17 06:40:43,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:43,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:43,813 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-17 06:40:43,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:43,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746204874] [2024-10-17 06:40:43,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746204874] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 06:40:43,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 06:40:43,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 06:40:43,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236846880] [2024-10-17 06:40:43,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:40:43,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 06:40:43,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:43,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 06:40:43,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-17 06:40:43,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:43,815 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:43,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:43,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:43,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:43,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:43,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:44,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:44,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:44,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:44,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:44,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-17 06:40:44,230 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:44,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:44,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1787757853, now seen corresponding path program 1 times [2024-10-17 06:40:44,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:44,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49606845] [2024-10-17 06:40:44,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:44,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:44,628 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 06:40:44,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:44,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49606845] [2024-10-17 06:40:44,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49606845] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:40:44,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360022835] [2024-10-17 06:40:44,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:44,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:40:44,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:40:44,631 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:40:44,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-17 06:40:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:44,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-10-17 06:40:44,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:40:45,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-17 06:40:45,255 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-10-17 06:40:45,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 27 [2024-10-17 06:40:45,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-17 06:40:45,336 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-10-17 06:40:45,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 31 [2024-10-17 06:40:45,490 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-10-17 06:40:45,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 35 [2024-10-17 06:40:45,502 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-10-17 06:40:45,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 26 [2024-10-17 06:40:45,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2024-10-17 06:40:45,581 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:45,581 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 06:40:45,739 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_8 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| (store (select |c_#memory_int| |c_~#top~0.base|) |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_index_malloc_~curr_alloc_idx~0#1|)) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2024-10-17 06:40:45,744 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_8 (Array Int Int)) (v_ArrVal_1272 (Array Int Int))) (not (= (select (select (store (let ((.cse0 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1272))) (store .cse0 |c_~#top~0.base| (store (select .cse0 |c_~#top~0.base|) |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_index_malloc_~curr_alloc_idx~0#1|))) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2024-10-17 06:40:45,749 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_8 (Array Int Int)) (v_ArrVal_1272 (Array Int Int))) (not (= (select (select (store (let ((.cse0 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1272))) (store .cse0 |c_~#top~0.base| (store (select .cse0 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2024-10-17 06:40:45,802 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-10-17 06:40:45,802 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 69 treesize of output 68 [2024-10-17 06:40:45,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2024-10-17 06:40:46,070 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:46,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360022835] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 06:40:46,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 06:40:46,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 18, 14] total 41 [2024-10-17 06:40:46,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350112160] [2024-10-17 06:40:46,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 06:40:46,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-10-17 06:40:46,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:46,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-10-17 06:40:46,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1302, Unknown=10, NotChecked=228, Total=1722 [2024-10-17 06:40:46,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:46,072 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:46,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 5.119047619047619) internal successors, (215), 41 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:46,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:46,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:46,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:46,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:46,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:48,928 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_~#top~0.offset| 0)) (.cse1 (= c_~next_alloc_idx~0 0))) (and (or (and .cse0 (not (= (+ c_~next_alloc_idx~0 4) 0))) .cse1) .cse0 (forall ((v_DerPreprocessor_8 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| (store (select |c_#memory_int| |c_~#top~0.base|) |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not (= (+ c_~next_alloc_idx~0 2) 0)) (not .cse1) (forall ((|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_21| Int) (v_DerPreprocessor_8 (Array Int Int)) (v_ArrVal_1272 (Array Int Int))) (or (not (= (select (select (store (let ((.cse2 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1272))) (store .cse2 |c_~#top~0.base| (store (select .cse2 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_21| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (+ (select (select |c_#memory_int| |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_21|) 0) 1) 0)))))) is different from false [2024-10-17 06:40:49,335 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_~#top~0.offset| 0) (forall ((v_DerPreprocessor_8 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| (store (select |c_#memory_int| |c_~#top~0.base|) |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not (= (+ c_~next_alloc_idx~0 2) 0)) (not (= c_~next_alloc_idx~0 0)) (forall ((|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_21| Int) (v_DerPreprocessor_8 (Array Int Int)) (v_ArrVal_1272 (Array Int Int))) (or (not (= (select (select (store (let ((.cse0 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1272))) (store .cse0 |c_~#top~0.base| (store (select .cse0 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_21| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (+ (select (select |c_#memory_int| |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_21|) 0) 1) 0))))) is different from false [2024-10-17 06:40:49,339 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_~#top~0.offset| 0) (forall ((v_DerPreprocessor_8 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| (store (select |c_#memory_int| |c_~#top~0.base|) |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not (= (+ c_~next_alloc_idx~0 2) 0)) (not (= c_~next_alloc_idx~0 0))) is different from false [2024-10-17 06:40:49,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:49,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:49,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:49,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:49,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-17 06:40:49,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-17 06:40:49,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:40:49,846 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:49,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:49,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1958015305, now seen corresponding path program 1 times [2024-10-17 06:40:49,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:49,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685160545] [2024-10-17 06:40:49,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:49,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:50,376 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:50,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:50,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685160545] [2024-10-17 06:40:50,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685160545] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:40:50,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688345463] [2024-10-17 06:40:50,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:50,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:40:50,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:40:50,382 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:40:50,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-17 06:40:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:50,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-10-17 06:40:50,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:40:50,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-17 06:40:50,951 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-10-17 06:40:50,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 27 [2024-10-17 06:40:50,998 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-17 06:40:50,998 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 21 treesize of output 17 [2024-10-17 06:40:51,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-10-17 06:40:51,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-10-17 06:40:51,194 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-17 06:40:51,194 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 06:40:51,350 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 06:40:51,351 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 19 treesize of output 20 [2024-10-17 06:40:51,361 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 33 treesize of output 25 [2024-10-17 06:40:51,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-10-17 06:40:51,518 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-17 06:40:51,518 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 19 treesize of output 14 [2024-10-17 06:40:51,720 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-17 06:40:51,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688345463] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 06:40:51,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 06:40:51,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 13] total 40 [2024-10-17 06:40:51,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087099494] [2024-10-17 06:40:51,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 06:40:51,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-10-17 06:40:51,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:51,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-10-17 06:40:51,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=1372, Unknown=7, NotChecked=0, Total=1640 [2024-10-17 06:40:51,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:51,722 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:51,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 5.902439024390244) internal successors, (242), 40 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:51,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-17 06:40:51,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:55,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:55,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:55,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:55,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:55,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-17 06:40:55,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-17 06:40:55,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-17 06:40:55,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:40:55,816 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:55,904 INFO L85 PathProgramCache]: Analyzing trace with hash -549146802, now seen corresponding path program 1 times [2024-10-17 06:40:55,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:55,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:56,009 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-17 06:40:56,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:56,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:56,111 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-17 06:40:56,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 06:40:56,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 06:40:56,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 06:40:56,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:56,114 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:56,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:56,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:56,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:56,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:56,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:56,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-17 06:40:56,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-17 06:40:56,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-17 06:40:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 06:40:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:40:56,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable21 [2024-10-17 06:40:56,346 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:56,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:56,347 INFO L85 PathProgramCache]: Analyzing trace with hash -869684245, now seen corresponding path program 1 times [2024-10-17 06:40:56,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:56,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210704387] [2024-10-17 06:40:56,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:56,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:56,482 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-17 06:40:56,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:56,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210704387] [2024-10-17 06:40:56,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210704387] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 06:40:56,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 06:40:56,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-17 06:40:56,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786102997] [2024-10-17 06:40:56,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:40:56,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 06:40:56,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:56,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 06:40:56,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 06:40:56,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:56,483 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:56,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:56,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:56,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:56,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:56,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:56,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-17 06:40:56,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 06:40:56,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:40:56,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:57,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:57,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:57,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:57,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:57,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-17 06:40:57,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-17 06:40:57,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:40:57,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:57,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-17 06:40:57,239 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:57,630 INFO L85 PathProgramCache]: Analyzing trace with hash 426547328, now seen corresponding path program 1 times [2024-10-17 06:40:57,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:57,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 06:40:57,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:57,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:58,107 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 06:40:58,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 06:40:58,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 06:40:58,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-17 06:40:58,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:58,108 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:58,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:58,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:58,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:58,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:58,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:58,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-17 06:40:58,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-17 06:40:58,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:40:58,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:58,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:58,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:58,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:58,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:58,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:58,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-17 06:40:58,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-17 06:40:58,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:40:58,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:58,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:58,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2024-10-17 06:40:58,605 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:58,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:58,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1617828588, now seen corresponding path program 1 times [2024-10-17 06:40:58,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:58,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045784685] [2024-10-17 06:40:58,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:58,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:58,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:40:58,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045784685] [2024-10-17 06:40:58,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045784685] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:40:58,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068757893] [2024-10-17 06:40:58,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:58,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:40:58,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:40:58,781 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:40:58,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-17 06:40:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:40:59,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-17 06:40:59,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:40:59,098 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:59,098 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 06:40:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:40:59,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068757893] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 06:40:59,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 06:40:59,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-10-17 06:40:59,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237200273] [2024-10-17 06:40:59,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 06:40:59,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-17 06:40:59,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:40:59,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-17 06:40:59,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-17 06:40:59,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:59,211 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:40:59,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.538461538461538) internal successors, (189), 12 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:40:59,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:59,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:59,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:59,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:59,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-17 06:40:59,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-17 06:40:59,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:40:59,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:59,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:59,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:40:59,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:40:59,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:59,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:40:59,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:59,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-17 06:40:59,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-17 06:40:59,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:40:59,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:59,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:40:59,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-17 06:40:59,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-17 06:40:59,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-17 06:40:59,707 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:40:59,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:40:59,708 INFO L85 PathProgramCache]: Analyzing trace with hash -812731633, now seen corresponding path program 1 times [2024-10-17 06:40:59,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:40:59,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094164825] [2024-10-17 06:40:59,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:40:59,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:40:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:00,306 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-17 06:41:00,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:41:00,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094164825] [2024-10-17 06:41:00,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094164825] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:41:00,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675316813] [2024-10-17 06:41:00,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:00,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:41:00,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:41:00,308 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:41:00,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-17 06:41:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:00,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-17 06:41:00,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:41:00,748 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 11 treesize of output 7 [2024-10-17 06:41:00,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2024-10-17 06:41:00,832 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-17 06:41:00,832 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 06:41:00,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675316813] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 06:41:00,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 06:41:00,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 16 [2024-10-17 06:41:00,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000242041] [2024-10-17 06:41:00,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:41:00,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-17 06:41:00,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:41:00,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-17 06:41:00,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-10-17 06:41:00,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:41:00,836 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:41:00,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:41:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-10-17 06:41:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-17 06:41:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-17 06:41:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:41:04,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:04,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:04,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:04,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:04,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 06:41:04,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-17 06:41:04,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:04,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:04,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:04,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:41:04,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:04,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-17 06:41:04,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-17 06:41:04,710 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:41:05,033 INFO L85 PathProgramCache]: Analyzing trace with hash -742315455, now seen corresponding path program 1 times [2024-10-17 06:41:05,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:05,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:05,547 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 56 proven. 93 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-17 06:41:05,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:05,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:05,879 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 56 proven. 93 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-17 06:41:05,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:41:05,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1022599532, now seen corresponding path program 1 times [2024-10-17 06:41:05,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:41:05,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885003749] [2024-10-17 06:41:05,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:05,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-10-17 06:41:06,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:41:06,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885003749] [2024-10-17 06:41:06,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885003749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 06:41:06,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 06:41:06,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 06:41:06,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611390390] [2024-10-17 06:41:06,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:41:06,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 06:41:06,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:41:06,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 06:41:06,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 06:41:06,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:41:06,078 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:41:06,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:41:06,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:06,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:06,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:06,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:06,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 06:41:06,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-10-17 06:41:06,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:06,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:06,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:06,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:41:06,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:06,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:41:06,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:06,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:06,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:06,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:06,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 06:41:06,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-17 06:41:06,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:06,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:06,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:06,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:41:06,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:06,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:06,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-17 06:41:06,277 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:41:06,619 INFO L85 PathProgramCache]: Analyzing trace with hash -742315442, now seen corresponding path program 1 times [2024-10-17 06:41:06,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:06,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:06,985 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 56 proven. 93 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-17 06:41:06,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:06,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 56 proven. 93 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-17 06:41:07,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1261747084, now seen corresponding path program 1 times [2024-10-17 06:41:07,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:07,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:07,828 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 56 proven. 93 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-17 06:41:07,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:07,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:08,270 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 56 proven. 93 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-17 06:41:08,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:41:08,271 INFO L85 PathProgramCache]: Analyzing trace with hash 823748735, now seen corresponding path program 2 times [2024-10-17 06:41:08,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:41:08,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367431981] [2024-10-17 06:41:08,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:08,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:08,717 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 182 proven. 185 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-17 06:41:08,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:41:08,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367431981] [2024-10-17 06:41:08,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367431981] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:41:08,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913895780] [2024-10-17 06:41:08,717 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 06:41:08,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:41:08,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:41:08,718 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:41:08,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-17 06:41:09,171 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 06:41:09,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 06:41:09,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-17 06:41:09,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:41:09,310 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 182 proven. 185 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-17 06:41:09,310 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 06:41:09,571 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 182 proven. 185 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-17 06:41:09,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913895780] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 06:41:09,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 06:41:09,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2024-10-17 06:41:09,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103224701] [2024-10-17 06:41:09,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 06:41:09,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-17 06:41:09,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:41:09,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-17 06:41:09,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-10-17 06:41:09,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:41:09,574 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:41:09,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 14.72) internal successors, (368), 24 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:41:09,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:09,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:09,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:09,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:09,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 06:41:09,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-10-17 06:41:09,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:09,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:09,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:09,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:41:09,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:09,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:09,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:41:10,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:10,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:10,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:10,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:10,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-17 06:41:10,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-17 06:41:10,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:10,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:10,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:10,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:41:10,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:10,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:10,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:41:10,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-17 06:41:10,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34 [2024-10-17 06:41:10,298 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:41:10,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1737737596, now seen corresponding path program 1 times [2024-10-17 06:41:10,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:10,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:11,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 158 proven. 1035 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-17 06:41:11,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:11,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:12,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 158 proven. 1035 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-17 06:41:13,084 INFO L85 PathProgramCache]: Analyzing trace with hash 894962522, now seen corresponding path program 1 times [2024-10-17 06:41:13,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:13,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:14,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 158 proven. 1035 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-17 06:41:14,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:14,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:15,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 158 proven. 1035 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-17 06:41:15,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:41:15,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1351544153, now seen corresponding path program 3 times [2024-10-17 06:41:15,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:41:15,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815758957] [2024-10-17 06:41:15,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:15,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:16,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1767 backedges. 464 proven. 1247 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-17 06:41:16,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:41:16,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815758957] [2024-10-17 06:41:16,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815758957] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:41:16,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049362968] [2024-10-17 06:41:16,251 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 06:41:16,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:41:16,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:41:16,253 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:41:16,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-17 06:41:16,757 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-17 06:41:16,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 06:41:16,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-17 06:41:16,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:41:16,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2024-10-17 06:41:16,939 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 11 treesize of output 7 [2024-10-17 06:41:17,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1767 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 1534 trivial. 0 not checked. [2024-10-17 06:41:17,032 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 06:41:17,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049362968] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 06:41:17,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 06:41:17,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [24] total 31 [2024-10-17 06:41:17,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815343949] [2024-10-17 06:41:17,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:41:17,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-17 06:41:17,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:41:17,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-17 06:41:17,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=667, Unknown=0, NotChecked=0, Total=992 [2024-10-17 06:41:17,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:41:17,034 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:41:17,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:41:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-17 06:41:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-10-17 06:41:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:41:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:41:17,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:41:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-17 06:41:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-10-17 06:41:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:41:24,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:24,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:24,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:41:24,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:24,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-17 06:41:25,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-10-17 06:41:25,165 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:41:25,591 INFO L85 PathProgramCache]: Analyzing trace with hash 2096141309, now seen corresponding path program 1 times [2024-10-17 06:41:25,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:25,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:26,035 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2024-10-17 06:41:26,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:26,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2024-10-17 06:41:26,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 06:41:26,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 06:41:26,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=738, Unknown=0, NotChecked=0, Total=1056 [2024-10-17 06:41:26,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:41:26,365 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:41:26,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:41:26,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:26,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:26,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:26,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:26,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-17 06:41:26,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-10-17 06:41:26,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:26,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:26,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:26,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:41:26,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:26,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:26,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:41:26,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:26,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:41:28,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:28,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:28,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:28,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:28,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-17 06:41:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-10-17 06:41:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:41:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:41:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:28,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41 [2024-10-17 06:41:28,179 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:41:28,508 INFO L85 PathProgramCache]: Analyzing trace with hash -949995415, now seen corresponding path program 1 times [2024-10-17 06:41:28,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:28,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:29,296 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 824 trivial. 0 not checked. [2024-10-17 06:41:29,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:29,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:29,983 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 824 trivial. 0 not checked. [2024-10-17 06:41:29,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 06:41:29,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 06:41:29,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=868, Unknown=0, NotChecked=0, Total=1190 [2024-10-17 06:41:29,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:41:29,984 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:41:29,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:41:29,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:29,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:29,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:29,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:29,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-17 06:41:29,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-10-17 06:41:29,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:29,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:29,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:29,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:41:29,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:29,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:29,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:41:29,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:29,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:29,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:41:32,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:32,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:32,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:32,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:32,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 06:41:32,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-10-17 06:41:32,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:32,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:41:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:41:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:32,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,SelfDestructingSolverStorable43 [2024-10-17 06:41:32,858 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:41:32,880 INFO L85 PathProgramCache]: Analyzing trace with hash -33150213, now seen corresponding path program 1 times [2024-10-17 06:41:32,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:32,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:33,864 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 80 proven. 696 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-17 06:41:33,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:33,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:34,952 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 80 proven. 696 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-17 06:41:35,160 INFO L85 PathProgramCache]: Analyzing trace with hash 425346377, now seen corresponding path program 1 times [2024-10-17 06:41:35,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:35,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:35,736 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2024-10-17 06:41:35,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:35,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2024-10-17 06:41:36,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 06:41:36,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 06:41:36,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=1004, Unknown=0, NotChecked=0, Total=1332 [2024-10-17 06:41:36,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:41:36,424 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:41:36,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:41:36,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:36,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:36,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:36,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:36,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 06:41:36,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-10-17 06:41:36,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:36,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:36,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:36,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:41:36,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:36,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:36,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:41:36,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:36,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:36,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:36,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:41:36,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:36,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:36,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:36,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:36,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 06:41:36,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-10-17 06:41:36,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:36,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:41:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:41:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:36,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47 [2024-10-17 06:41:36,777 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:41:36,800 INFO L85 PathProgramCache]: Analyzing trace with hash -35055749, now seen corresponding path program 1 times [2024-10-17 06:41:36,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:36,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:37,789 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 80 proven. 696 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-17 06:41:37,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:37,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:39,120 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 80 proven. 696 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-17 06:41:39,226 INFO L85 PathProgramCache]: Analyzing trace with hash -545313424, now seen corresponding path program 1 times [2024-10-17 06:41:39,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:39,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:40,254 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 80 proven. 696 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-17 06:41:40,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:40,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:41,404 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 80 proven. 696 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-17 06:41:41,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1224723567, now seen corresponding path program 1 times [2024-10-17 06:41:41,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:41,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:42,890 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 80 proven. 696 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-10-17 06:41:42,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:42,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:43,962 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 80 proven. 696 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-10-17 06:41:44,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1590795101, now seen corresponding path program 1 times [2024-10-17 06:41:44,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:44,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:45,355 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 80 proven. 696 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-10-17 06:41:45,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:45,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 80 proven. 696 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-10-17 06:41:46,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:41:46,589 INFO L85 PathProgramCache]: Analyzing trace with hash 668678364, now seen corresponding path program 1 times [2024-10-17 06:41:46,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:41:46,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099243588] [2024-10-17 06:41:46,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:46,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:48,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2207 backedges. 885 proven. 968 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-10-17 06:41:48,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:41:48,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099243588] [2024-10-17 06:41:48,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099243588] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:41:48,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281974316] [2024-10-17 06:41:48,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:48,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:41:48,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:41:48,106 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:41:48,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-17 06:41:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:49,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 2865 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-17 06:41:49,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:41:49,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2207 backedges. 885 proven. 968 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-10-17 06:41:49,511 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 06:41:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2207 backedges. 885 proven. 968 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-10-17 06:41:50,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281974316] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 06:41:50,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 06:41:50,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2024-10-17 06:41:50,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079450341] [2024-10-17 06:41:50,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 06:41:50,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-10-17 06:41:50,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:41:50,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-10-17 06:41:50,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2024-10-17 06:41:50,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:41:50,149 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:41:50,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 14.571428571428571) internal successors, (714), 48 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:41:50,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:50,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:50,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:50,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:50,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 06:41:50,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-10-17 06:41:50,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:50,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:50,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:50,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:41:50,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:50,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:50,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:41:50,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:50,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:50,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:50,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:50,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:41:54,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:54,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:54,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:54,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:54,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-17 06:41:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-10-17 06:41:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:41:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:41:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:41:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:41:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:41:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:41:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:41:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-17 06:41:54,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-17 06:41:54,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-10-17 06:41:54,866 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:41:55,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1209598242, now seen corresponding path program 1 times [2024-10-17 06:41:55,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:55,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:41:59,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1993 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 1802 trivial. 0 not checked. [2024-10-17 06:41:59,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:41:59,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:41:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:00,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1993 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 1802 trivial. 0 not checked. [2024-10-17 06:42:00,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 06:42:00,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 06:42:00,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=1150, Unknown=0, NotChecked=0, Total=1482 [2024-10-17 06:42:00,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:42:00,219 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:42:00,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:42:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:42:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-17 06:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-10-17 06:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:42:00,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-17 06:42:00,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:42:15,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:42:15,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:42:15,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:42:15,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:42:15,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-17 06:42:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-10-17 06:42:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:42:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:42:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:42:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:42:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:42:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:42:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:42:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:42:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:42:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:42:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:42:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-17 06:42:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:42:15,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,SelfDestructingSolverStorable58 [2024-10-17 06:42:15,810 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:42:15,837 INFO L85 PathProgramCache]: Analyzing trace with hash 50599470, now seen corresponding path program 1 times [2024-10-17 06:42:15,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:15,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:17,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 1594 trivial. 0 not checked. [2024-10-17 06:42:17,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:17,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:18,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 1594 trivial. 0 not checked. [2024-10-17 06:42:19,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1101557365, now seen corresponding path program 1 times [2024-10-17 06:42:19,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:19,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 91 proven. 185 refuted. 0 times theorem prover too weak. 1579 trivial. 0 not checked. [2024-10-17 06:42:22,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:22,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:24,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 105 proven. 173 refuted. 0 times theorem prover too weak. 1577 trivial. 0 not checked. [2024-10-17 06:42:24,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1563298199, now seen corresponding path program 1 times [2024-10-17 06:42:24,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:24,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:26,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 17 proven. 243 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2024-10-17 06:42:26,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:26,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:28,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 17 proven. 243 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2024-10-17 06:42:28,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1836062826, now seen corresponding path program 1 times [2024-10-17 06:42:28,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:28,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:30,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 65 proven. 243 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2024-10-17 06:42:30,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:30,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:32,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 79 proven. 247 refuted. 0 times theorem prover too weak. 1577 trivial. 0 not checked. [2024-10-17 06:42:32,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1698228297, now seen corresponding path program 1 times [2024-10-17 06:42:32,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:32,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:34,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1898 trivial. 0 not checked. [2024-10-17 06:42:34,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:34,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1898 trivial. 0 not checked. [2024-10-17 06:42:35,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-17 06:42:35,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-17 06:42:35,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=462, Invalid=3828, Unknown=0, NotChecked=0, Total=4290 [2024-10-17 06:42:35,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:42:35,312 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:42:35,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:42:35,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:42:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:42:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:42:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:42:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:42:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-17 06:42:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-10-17 06:42:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:42:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:42:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:42:38,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:42:38,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:42:38,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:42:38,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:42:38,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:42:38,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:42:38,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:42:38,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:42:38,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-17 06:42:38,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:42:38,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 06:42:38,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable59 [2024-10-17 06:42:38,793 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:42:38,821 INFO L85 PathProgramCache]: Analyzing trace with hash 50599741, now seen corresponding path program 1 times [2024-10-17 06:42:38,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:38,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:40,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 1594 trivial. 0 not checked. [2024-10-17 06:42:40,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:40,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:41,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 1594 trivial. 0 not checked. [2024-10-17 06:42:41,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1101557094, now seen corresponding path program 1 times [2024-10-17 06:42:41,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:41,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:43,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 91 proven. 185 refuted. 0 times theorem prover too weak. 1579 trivial. 0 not checked. [2024-10-17 06:42:43,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:43,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:44,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 99 proven. 177 refuted. 0 times theorem prover too weak. 1579 trivial. 0 not checked. [2024-10-17 06:42:44,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1563298470, now seen corresponding path program 1 times [2024-10-17 06:42:44,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:44,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 17 proven. 243 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2024-10-17 06:42:46,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:46,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 17 proven. 243 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2024-10-17 06:42:48,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1836063097, now seen corresponding path program 1 times [2024-10-17 06:42:48,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:48,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:51,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 69 proven. 255 refuted. 0 times theorem prover too weak. 1579 trivial. 0 not checked. [2024-10-17 06:42:51,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:51,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:53,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 65 proven. 243 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2024-10-17 06:42:53,082 INFO L85 PathProgramCache]: Analyzing trace with hash 336890201, now seen corresponding path program 1 times [2024-10-17 06:42:53,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:53,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:54,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1904 backedges. 66 proven. 243 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2024-10-17 06:42:54,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:54,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:56,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1904 backedges. 66 proven. 243 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2024-10-17 06:42:56,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1853588002, now seen corresponding path program 1 times [2024-10-17 06:42:56,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:56,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:42:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1904 backedges. 66 proven. 243 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2024-10-17 06:42:58,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:42:58,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:42:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:43:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1904 backedges. 66 proven. 243 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2024-10-17 06:43:00,652 INFO L85 PathProgramCache]: Analyzing trace with hash 2783162, now seen corresponding path program 1 times [2024-10-17 06:43:00,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:43:00,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:43:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:43:02,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1917 backedges. 89 proven. 249 refuted. 0 times theorem prover too weak. 1579 trivial. 0 not checked. [2024-10-17 06:43:02,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:43:02,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:43:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:43:04,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1917 backedges. 43 proven. 271 refuted. 0 times theorem prover too weak. 1603 trivial. 0 not checked. [2024-10-17 06:43:05,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1191804970, now seen corresponding path program 1 times [2024-10-17 06:43:05,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:43:05,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:43:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:43:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 58 proven. 271 refuted. 0 times theorem prover too weak. 1603 trivial. 0 not checked. [2024-10-17 06:43:07,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:43:07,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:43:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:43:09,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 76 proven. 271 refuted. 0 times theorem prover too weak. 1585 trivial. 0 not checked. [2024-10-17 06:43:09,947 INFO L85 PathProgramCache]: Analyzing trace with hash -359934216, now seen corresponding path program 1 times [2024-10-17 06:43:09,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:43:09,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:43:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:43:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1962 backedges. 114 proven. 255 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2024-10-17 06:43:11,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:43:11,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:43:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:43:14,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1962 backedges. 86 proven. 277 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2024-10-17 06:43:14,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:43:14,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1359313360, now seen corresponding path program 1 times [2024-10-17 06:43:14,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:43:14,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68684540] [2024-10-17 06:43:14,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:43:14,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:43:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:43:15,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3577 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 3368 trivial. 0 not checked. [2024-10-17 06:43:15,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:43:15,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68684540] [2024-10-17 06:43:15,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68684540] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 06:43:15,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 06:43:15,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 06:43:15,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414185737] [2024-10-17 06:43:15,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:43:15,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 06:43:15,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:43:15,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 06:43:15,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 06:43:15,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:43:15,407 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:43:15,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:43:15,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:43:15,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:43:15,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:43:15,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:43:15,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-17 06:43:15,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-10-17 06:43:15,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:43:15,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:43:15,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:43:15,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:43:15,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:43:15,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:43:15,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:43:15,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:43:15,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:43:15,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:43:15,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:43:15,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-17 06:43:15,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:43:15,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 06:43:15,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:43:59,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:43:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:43:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:43:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:43:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-17 06:43:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-10-17 06:43:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:43:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:43:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:43:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:43:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:43:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:43:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:43:59,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:43:59,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:43:59,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:43:59,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:43:59,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-17 06:43:59,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:43:59,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 06:43:59,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:43:59,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,SelfDestructingSolverStorable70,SelfDestructingSolverStorable81,SelfDestructingSolverStorable71,SelfDestructingSolverStorable82,SelfDestructingSolverStorable72,SelfDestructingSolverStorable83,SelfDestructingSolverStorable73,SelfDestructingSolverStorable84,SelfDestructingSolverStorable74,SelfDestructingSolverStorable85,SelfDestructingSolverStorable75,SelfDestructingSolverStorable86,SelfDestructingSolverStorable76,SelfDestructingSolverStorable87,SelfDestructingSolverStorable77,SelfDestructingSolverStorable78,SelfDestructingSolverStorable79,SelfDestructingSolverStorable69 [2024-10-17 06:43:59,565 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:43:59,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:43:59,567 INFO L85 PathProgramCache]: Analyzing trace with hash 153489161, now seen corresponding path program 1 times [2024-10-17 06:43:59,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:43:59,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166505349] [2024-10-17 06:43:59,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:43:59,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:43:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:44:01,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2726 backedges. 2674 proven. 41 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-17 06:44:01,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:44:01,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166505349] [2024-10-17 06:44:01,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166505349] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:44:01,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179334013] [2024-10-17 06:44:01,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:44:01,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:44:01,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:44:01,756 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:44:01,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-17 06:44:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:44:03,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 3108 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-17 06:44:03,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:44:04,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2726 backedges. 2709 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-17 06:44:04,271 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 06:44:04,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179334013] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 06:44:04,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 06:44:04,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [35] total 36 [2024-10-17 06:44:04,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291051166] [2024-10-17 06:44:04,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:44:04,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-17 06:44:04,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:44:04,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-17 06:44:04,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=633, Invalid=699, Unknown=0, NotChecked=0, Total=1332 [2024-10-17 06:44:04,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:44:04,273 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:44:04,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 14.82857142857143) internal successors, (519), 34 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 06:44:04,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:44:04,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:44:07,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:44:07,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:07,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:07,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:07,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-17 06:44:07,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-10-17 06:44:07,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:44:07,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:44:07,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:07,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:44:07,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:44:07,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:44:07,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:44:07,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:44:07,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:44:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:44:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:44:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-17 06:44:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:44:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 06:44:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:44:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-17 06:44:07,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-17 06:44:07,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:44:07,862 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:44:07,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:44:07,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1703128443, now seen corresponding path program 1 times [2024-10-17 06:44:07,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:44:07,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379280505] [2024-10-17 06:44:07,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:44:07,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:44:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:44:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 0 proven. 249 refuted. 0 times theorem prover too weak. 1983 trivial. 0 not checked. [2024-10-17 06:44:12,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:44:12,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379280505] [2024-10-17 06:44:12,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379280505] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:44:12,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568921667] [2024-10-17 06:44:12,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:44:12,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:44:12,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:44:12,087 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:44:12,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-17 06:44:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:44:14,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-10-17 06:44:14,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:44:15,712 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-10-17 06:44:15,713 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 1 case distinctions, treesize of input 27 treesize of output 19 [2024-10-17 06:44:15,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 0 proven. 2232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:44:15,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 06:44:15,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 2033 trivial. 0 not checked. [2024-10-17 06:44:15,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568921667] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-17 06:44:15,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-17 06:44:15,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 39] total 52 [2024-10-17 06:44:15,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733993499] [2024-10-17 06:44:15,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 06:44:15,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 06:44:15,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:44:15,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 06:44:15,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=2557, Unknown=1, NotChecked=0, Total=2756 [2024-10-17 06:44:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:44:15,909 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:44:15,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:44:15,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:44:15,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:15,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:15,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:15,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-17 06:44:15,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-10-17 06:44:15,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:44:15,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:44:15,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:15,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:44:15,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:44:15,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:44:15,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:44:15,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:44:15,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:44:15,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:44:15,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:44:15,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-17 06:44:15,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:44:15,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 06:44:15,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:44:15,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-10-17 06:44:15,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:44:23,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:44:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-17 06:44:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-10-17 06:44:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:44:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:44:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:44:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:44:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:44:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:44:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:44:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:44:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:44:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:44:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-17 06:44:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:44:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 06:44:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:44:23,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-17 06:44:23,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:23,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-17 06:44:23,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2024-10-17 06:44:23,231 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:44:23,262 INFO L85 PathProgramCache]: Analyzing trace with hash -325299726, now seen corresponding path program 1 times [2024-10-17 06:44:23,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:44:23,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:44:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:44:24,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1710 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2024-10-17 06:44:24,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:44:24,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:44:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:44:26,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1710 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2024-10-17 06:44:26,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1700295009, now seen corresponding path program 1 times [2024-10-17 06:44:26,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:44:26,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:44:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:44:28,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2024-10-17 06:44:28,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:44:28,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:44:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:44:30,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2024-10-17 06:44:30,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:44:30,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1214130852, now seen corresponding path program 1 times [2024-10-17 06:44:30,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:44:30,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197366395] [2024-10-17 06:44:30,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:44:30,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:44:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:44:31,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2409 backedges. 44 proven. 382 refuted. 0 times theorem prover too weak. 1983 trivial. 0 not checked. [2024-10-17 06:44:31,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:44:31,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197366395] [2024-10-17 06:44:31,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197366395] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:44:31,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493847022] [2024-10-17 06:44:31,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:44:31,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:44:31,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:44:31,715 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:44:31,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-17 06:44:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:44:33,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 2923 conjuncts, 103 conjuncts are in the unsatisfiable core [2024-10-17 06:44:33,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:44:36,887 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-10-17 06:44:36,887 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 1 case distinctions, treesize of input 27 treesize of output 19 [2024-10-17 06:44:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-17 06:44:36,995 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-10-17 06:44:36,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 29 [2024-10-17 06:44:37,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-17 06:44:37,106 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-10-17 06:44:37,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 33 [2024-10-17 06:44:37,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-17 06:44:37,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2024-10-17 06:44:37,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2024-10-17 06:44:37,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-17 06:44:37,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-17 06:44:37,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2409 backedges. 4 proven. 2405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:44:37,558 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 06:44:37,710 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234))) (let ((.cse1 (select .cse0 |c_~#top~0.base|))) (or (forall ((v_DerPreprocessor_14 (Array Int Int))) (not (= (select (select (store (store .cse0 |c_~#top~0.base| (store .cse1 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_14) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select .cse1 |c_~#top~0.offset|))))))) (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234))) (or (forall ((v_DerPreprocessor_15 (Array Int Int))) (not (= (select (select (store .cse2 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_15) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select (select .cse2 |c_~#top~0.base|) |c_~#top~0.offset|)))))) is different from false [2024-10-17 06:44:37,737 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_~#top~0.base|) |c_~#top~0.offset|))) (and (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234))) (let ((.cse1 (select .cse2 |c_~#top~0.base|))) (or (not (= .cse0 (select .cse1 |c_~#top~0.offset|))) (forall ((v_DerPreprocessor_14 (Array Int Int))) (not (= (select (select (store (store .cse2 |c_~#top~0.base| (store .cse1 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_14) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))))) (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234))) (or (= .cse0 (select (select .cse3 |c_~#top~0.base|) |c_~#top~0.offset|)) (forall ((v_DerPreprocessor_15 (Array Int Int))) (not (= (select (select (store .cse3 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_15) |c_~#top~0.base|) |c_~#top~0.offset|) 0)))))))) is different from false [2024-10-17 06:44:38,039 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_37233 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37233))) (or (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234))) (or (forall ((v_DerPreprocessor_15 (Array Int Int))) (not (= (select (select (store .cse0 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_15) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (= (select (select .cse1 |c_~#top~0.base|) |c_~#top~0.offset|) (select (select .cse0 |c_~#top~0.base|) |c_~#top~0.offset|))))) (= (select (select .cse1 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1)))) (forall ((v_ArrVal_37233 (Array Int Int))) (let ((.cse4 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37233))) (or (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234))) (let ((.cse3 (select .cse2 |c_~#top~0.base|))) (or (forall ((v_DerPreprocessor_14 (Array Int Int))) (not (= (select (select (store (store .cse2 |c_~#top~0.base| (store .cse3 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_14) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not (= (select (select .cse4 |c_~#top~0.base|) |c_~#top~0.offset|) (select .cse3 |c_~#top~0.offset|))))))) (= (select (select .cse4 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1))))) is different from false [2024-10-17 06:44:40,513 INFO L349 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2024-10-17 06:44:40,513 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 2 case distinctions, treesize of input 121 treesize of output 75 [2024-10-17 06:44:40,521 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 06:44:40,522 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 105 treesize of output 96 [2024-10-17 06:44:40,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-10-17 06:44:40,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2024-10-17 06:44:40,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 06:44:40,539 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 16 treesize of output 20 [2024-10-17 06:44:40,546 INFO L349 Elim1Store]: treesize reduction 49, result has 2.0 percent of original size [2024-10-17 06:44:40,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 122 treesize of output 1 [2024-10-17 06:44:43,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2409 backedges. 162 proven. 2084 refuted. 18 times theorem prover too weak. 0 trivial. 145 not checked. [2024-10-17 06:44:43,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493847022] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 06:44:43,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 06:44:43,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 45, 43] total 97 [2024-10-17 06:44:43,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979143724] [2024-10-17 06:44:43,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 06:44:43,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-10-17 06:44:43,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:44:43,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-10-17 06:44:43,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1752, Invalid=7111, Unknown=79, NotChecked=564, Total=9506 [2024-10-17 06:44:43,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:44:43,867 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:44:43,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 11.36734693877551) internal successors, (1114), 97 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:44:43,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:44:43,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:43,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:43,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:43,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:44:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:45:41,578 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse0 (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select .cse6 |c_~#top~0.offset|)))) (and (= |c_~#m~0.offset| 0) (not (= |c_~#m~0.base| |c_~#top~0.base|)) (= |c_~#top~0.offset| 0) (or .cse0 (and (forall ((v_prenex_8 (Array Int Int)) (v_prenex_9 (Array Int Int)) (|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_15 (Array Int Int)) (v_DerPreprocessor_16 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_16))) (let ((.cse1 (store .cse2 |c_~#m~0.base| v_prenex_8))) (or (= (select (select .cse1 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1) (not (= (select (select (store (store |c_#memory_int| |c_~#m~0.base| v_prenex_9) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_15) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (= (select (select .cse1 |c_~#top~0.base|) |c_~#top~0.offset|) (select (select (store .cse2 |c_~#m~0.base| v_prenex_9) |c_~#top~0.base|) |c_~#top~0.offset|)))))) (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_16 (Array Int Int)) (v_ArrVal_37233 (Array Int Int)) (v_ArrVal_37234 (Array Int Int)) (v_DerPreprocessor_14 (Array Int Int))) (let ((.cse5 (store |c_#memory_int| |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_16))) (let ((.cse3 (select (store .cse5 |c_~#m~0.base| v_ArrVal_37234) |c_~#top~0.base|)) (.cse4 (store .cse5 |c_~#m~0.base| v_ArrVal_37233))) (or (not (= (select (select (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234) |c_~#top~0.base| (store .cse3 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_14) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (select .cse3 |c_~#top~0.offset|) (select (select .cse4 |c_~#top~0.base|) |c_~#top~0.offset|))) (= (select (select .cse4 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1))))))) (not (= |c_thr1Thread2of3ForFork0_push_~newTop~0#1| 0)) (<= 1 |c_thr1Thread3of3ForFork0_push_loop_~r~0#1|) (<= 4 |c_~#top~0.base|) (= (select .cse6 0) 63) (or (let ((.cse9 (store |c_#memory_int| |c_~#top~0.base| (store .cse6 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)))) (and (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_ArrVal_37233 (Array Int Int))) (let ((.cse8 (store .cse9 |thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select .cse9 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)))) (let ((.cse7 (store .cse8 |c_~#m~0.base| v_ArrVal_37233))) (or (forall ((v_ArrVal_37234 (Array Int Int))) (or (= (select (select .cse7 |c_~#top~0.base|) |c_~#top~0.offset|) (select (select (store .cse8 |c_~#m~0.base| v_ArrVal_37234) |c_~#top~0.base|) |c_~#top~0.offset|)) (forall ((v_DerPreprocessor_15 (Array Int Int))) (not (= (select (select (store (store .cse9 |c_~#m~0.base| v_ArrVal_37234) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_15) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))) (= (select (select .cse7 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1))))) (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_ArrVal_37233 (Array Int Int))) (let ((.cse12 (store .cse9 |thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select .cse9 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)))) (let ((.cse10 (store .cse12 |c_~#m~0.base| v_ArrVal_37233))) (or (= (select (select .cse10 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1) (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse11 (select (store .cse12 |c_~#m~0.base| v_ArrVal_37234) |c_~#top~0.base|))) (or (forall ((v_DerPreprocessor_14 (Array Int Int))) (not (= (select (select (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234) |c_~#top~0.base| (store .cse11 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_14) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not (= (select (select .cse10 |c_~#top~0.base|) |c_~#top~0.offset|) (select .cse11 |c_~#top~0.offset|)))))))))))) (not .cse0))))) is different from false [2024-10-17 06:45:47,735 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse13 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse0 (select .cse13 |c_~#top~0.offset|))) (let ((.cse1 (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| .cse0))) (and (= |c_~#m~0.offset| 0) (not (= |c_~#m~0.base| |c_~#top~0.base|)) (not (= .cse0 0)) (or .cse1 (and (forall ((v_prenex_8 (Array Int Int)) (v_prenex_9 (Array Int Int)) (|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_15 (Array Int Int)) (v_DerPreprocessor_16 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_16))) (let ((.cse2 (store .cse3 |c_~#m~0.base| v_prenex_8))) (or (= (select (select .cse2 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1) (not (= (select (select (store (store |c_#memory_int| |c_~#m~0.base| v_prenex_9) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_15) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (= (select (select .cse2 |c_~#top~0.base|) |c_~#top~0.offset|) (select (select (store .cse3 |c_~#m~0.base| v_prenex_9) |c_~#top~0.base|) |c_~#top~0.offset|)))))) (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_16 (Array Int Int)) (v_ArrVal_37233 (Array Int Int)) (v_ArrVal_37234 (Array Int Int)) (v_DerPreprocessor_14 (Array Int Int))) (let ((.cse6 (store |c_#memory_int| |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_16))) (let ((.cse4 (select (store .cse6 |c_~#m~0.base| v_ArrVal_37234) |c_~#top~0.base|)) (.cse5 (store .cse6 |c_~#m~0.base| v_ArrVal_37233))) (or (not (= (select (select (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234) |c_~#top~0.base| (store .cse4 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_14) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (select .cse4 |c_~#top~0.offset|) (select (select .cse5 |c_~#top~0.base|) |c_~#top~0.offset|))) (= (select (select .cse5 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1))))))) (not (= |c_thr1Thread2of3ForFork0_push_~newTop~0#1| 0)) (or (let ((.cse9 (store |c_#memory_int| |c_~#top~0.base| (store .cse13 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)))) (and (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_ArrVal_37233 (Array Int Int))) (let ((.cse8 (store .cse9 |thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select .cse9 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)))) (let ((.cse7 (store .cse8 |c_~#m~0.base| v_ArrVal_37233))) (or (forall ((v_ArrVal_37234 (Array Int Int))) (or (= (select (select .cse7 |c_~#top~0.base|) |c_~#top~0.offset|) (select (select (store .cse8 |c_~#m~0.base| v_ArrVal_37234) |c_~#top~0.base|) |c_~#top~0.offset|)) (forall ((v_DerPreprocessor_15 (Array Int Int))) (not (= (select (select (store (store .cse9 |c_~#m~0.base| v_ArrVal_37234) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_15) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))) (= (select (select .cse7 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1))))) (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_ArrVal_37233 (Array Int Int))) (let ((.cse12 (store .cse9 |thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select .cse9 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)))) (let ((.cse10 (store .cse12 |c_~#m~0.base| v_ArrVal_37233))) (or (= (select (select .cse10 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1) (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse11 (select (store .cse12 |c_~#m~0.base| v_ArrVal_37234) |c_~#top~0.base|))) (or (forall ((v_DerPreprocessor_14 (Array Int Int))) (not (= (select (select (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234) |c_~#top~0.base| (store .cse11 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_14) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not (= (select (select .cse10 |c_~#top~0.base|) |c_~#top~0.offset|) (select .cse11 |c_~#top~0.offset|)))))))))))) (not .cse1)))))) is different from false [2024-10-17 06:46:26,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:46:26,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:46:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:46:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:46:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-17 06:46:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-10-17 06:46:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:46:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:46:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:46:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:46:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:46:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:46:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:46:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:46:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:46:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:46:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:46:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-17 06:46:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:46:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 06:46:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:46:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-17 06:46:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:46:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-10-17 06:46:26,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-17 06:46:26,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,SelfDestructingSolverStorable91,SelfDestructingSolverStorable92,SelfDestructingSolverStorable93,SelfDestructingSolverStorable94,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:46:26,699 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 06:46:27,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1813362993, now seen corresponding path program 1 times [2024-10-17 06:46:27,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:46:27,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:46:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:46:30,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:46:30,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:46:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:46:35,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 06:46:35,712 INFO L85 PathProgramCache]: Analyzing trace with hash -18495700, now seen corresponding path program 2 times [2024-10-17 06:46:35,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 06:46:35,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518832807] [2024-10-17 06:46:35,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 06:46:35,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 06:46:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 06:46:43,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2224 backedges. 1575 proven. 649 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 06:46:43,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 06:46:43,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518832807] [2024-10-17 06:46:43,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518832807] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 06:46:43,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685587715] [2024-10-17 06:46:43,740 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 06:46:43,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 06:46:43,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 06:46:43,742 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 06:46:43,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-17 06:46:46,157 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 06:46:46,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 06:46:46,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 2830 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-10-17 06:46:46,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 06:46:48,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2024-10-17 06:46:48,484 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 11 treesize of output 7 [2024-10-17 06:46:48,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-17 06:46:48,569 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-10-17 06:46:48,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 33 [2024-10-17 06:46:48,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-17 06:46:48,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-10-17 06:46:48,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2224 backedges. 260 proven. 184 refuted. 0 times theorem prover too weak. 1780 trivial. 0 not checked. [2024-10-17 06:46:48,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 06:46:48,902 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse0 (= (select .cse2 |c_~#top~0.offset|) |c_thr1Thread3of3ForFork0_push_~oldTop~0#1|))) (and (or (not .cse0) (forall ((v_ArrVal_39264 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int)) (not (= 0 (select (select (store (let ((.cse1 (store |c_#memory_int| |c_~#top~0.base| (store .cse2 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse1 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| (store (select .cse1 |thr1Thread3of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#m~0.base| v_ArrVal_39264) |c_~#top~0.base|) |c_~#top~0.offset|))))) (or (forall ((v_ArrVal_39264 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_18 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_18) |c_~#m~0.base| v_ArrVal_39264) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) .cse0)))) is different from false [2024-10-17 06:46:48,925 INFO L349 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2024-10-17 06:46:48,926 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 2 case distinctions, treesize of input 35 treesize of output 38 [2024-10-17 06:46:48,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-17 06:46:48,938 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 51 treesize of output 50 [2024-10-17 06:46:48,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-10-17 06:46:49,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2224 backedges. 268 proven. 113 refuted. 0 times theorem prover too weak. 1825 trivial. 18 not checked. [2024-10-17 06:46:49,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685587715] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 06:46:49,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 06:46:49,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 13, 10] total 71 [2024-10-17 06:46:49,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12912162] [2024-10-17 06:46:49,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 06:46:49,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-10-17 06:46:49,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 06:46:49,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-10-17 06:46:49,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1046, Invalid=4064, Unknown=6, NotChecked=140, Total=5256 [2024-10-17 06:46:49,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:46:49,576 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 06:46:49,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 72 states have (on average 9.73611111111111) internal successors, (701), 72 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 06:46:49,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:46:49,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:46:49,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:46:49,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:46:49,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-17 06:46:49,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-10-17 06:46:49,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:46:49,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:46:49,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:46:49,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-17 06:46:49,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:46:49,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:46:49,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-17 06:46:49,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 06:46:49,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:46:49,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:46:49,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 06:46:49,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-10-17 06:46:49,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 06:46:49,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 06:46:49,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 06:46:49,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-10-17 06:46:49,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 06:46:49,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2024-10-17 06:46:49,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 06:48:25,832 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse5 (select .cse0 |c_~#top~0.offset|))) (let ((.cse1 (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| .cse5)) (.cse4 (select |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|))) (and (= |c_~#m~0.offset| 0) (or (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#top~0.base|) (= (select .cse0 0) 63)) (or (forall ((v_DerPreprocessor_14 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| (store .cse0 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_14) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not .cse1)) (forall ((v_ArrVal_37233 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37233))) (or (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234))) (or (forall ((v_DerPreprocessor_15 (Array Int Int))) (not (= (select (select (store .cse2 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_15) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (= (select (select .cse3 |c_~#top~0.base|) |c_~#top~0.offset|) (select (select .cse2 |c_~#top~0.base|) |c_~#top~0.offset|))))) (= (select (select .cse3 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1)))) (= |c_~#top~0.offset| 0) (<= |c_~#m~0.base| 3) (= 63 |c_thr1Thread2of3ForFork0_push_~newTop~0#1|) (= (select .cse4 0) 1) (or (= |c_~#m~0.offset| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) (not (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#m~0.base|))) (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 0) (<= 1 |c_thr1Thread3of3ForFork0_push_loop_~r~0#1|) (<= 4 |c_~#top~0.base|) (<= 1 |c_thr1Thread3of3ForFork0_push_#res#1|) (or (forall ((v_DerPreprocessor_15 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_15) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) .cse1) (or (and (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse7 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234))) (let ((.cse6 (select .cse7 |c_~#top~0.base|))) (or (not (= .cse5 (select .cse6 |c_~#top~0.offset|))) (forall ((v_DerPreprocessor_14 (Array Int Int))) (not (= (select (select (store (store .cse7 |c_~#top~0.base| (store .cse6 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_14) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))))) (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse8 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234))) (or (= .cse5 (select (select .cse8 |c_~#top~0.base|) |c_~#top~0.offset|)) (forall ((v_DerPreprocessor_15 (Array Int Int))) (not (= (select (select (store .cse8 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_15) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))))) (= |c_thr1Thread2of3ForFork0_push_#t~mem9#1| 1)) (forall ((v_ArrVal_37233 (Array Int Int))) (let ((.cse11 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37233))) (or (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse9 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234))) (let ((.cse10 (select .cse9 |c_~#top~0.base|))) (or (forall ((v_DerPreprocessor_14 (Array Int Int))) (not (= (select (select (store (store .cse9 |c_~#top~0.base| (store .cse10 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_14) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not (= (select (select .cse11 |c_~#top~0.base|) |c_~#top~0.offset|) (select .cse10 |c_~#top~0.offset|))))))) (= (select (select .cse11 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1)))) (= (select .cse4 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1))))) is different from false [2024-10-17 06:48:28,221 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse5 (select .cse0 |c_~#top~0.offset|))) (let ((.cse1 (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| .cse5)) (.cse4 (select |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|))) (and (= |c_~#m~0.offset| 0) (or (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#top~0.base|) (= (select .cse0 0) 63)) (or (forall ((v_DerPreprocessor_14 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| (store .cse0 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_14) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not .cse1)) (forall ((v_ArrVal_37233 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37233))) (or (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234))) (or (forall ((v_DerPreprocessor_15 (Array Int Int))) (not (= (select (select (store .cse2 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_15) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (= (select (select .cse3 |c_~#top~0.base|) |c_~#top~0.offset|) (select (select .cse2 |c_~#top~0.base|) |c_~#top~0.offset|))))) (= (select (select .cse3 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1)))) (= |c_~#top~0.offset| 0) (<= |c_~#m~0.base| 3) (= 63 |c_thr1Thread2of3ForFork0_push_~newTop~0#1|) (= (select .cse4 0) 1) (or (= |c_~#m~0.offset| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) (not (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#m~0.base|))) (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 0) (<= 1 |c_thr1Thread3of3ForFork0_push_loop_~r~0#1|) (<= 4 |c_~#top~0.base|) (or (forall ((v_DerPreprocessor_15 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_15) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) .cse1) (or (and (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse7 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234))) (let ((.cse6 (select .cse7 |c_~#top~0.base|))) (or (not (= .cse5 (select .cse6 |c_~#top~0.offset|))) (forall ((v_DerPreprocessor_14 (Array Int Int))) (not (= (select (select (store (store .cse7 |c_~#top~0.base| (store .cse6 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_14) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))))) (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse8 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234))) (or (= .cse5 (select (select .cse8 |c_~#top~0.base|) |c_~#top~0.offset|)) (forall ((v_DerPreprocessor_15 (Array Int Int))) (not (= (select (select (store .cse8 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_15) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))))) (= |c_thr1Thread2of3ForFork0_push_#t~mem9#1| 1)) (forall ((v_ArrVal_37233 (Array Int Int))) (let ((.cse11 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37233))) (or (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse9 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234))) (let ((.cse10 (select .cse9 |c_~#top~0.base|))) (or (forall ((v_DerPreprocessor_14 (Array Int Int))) (not (= (select (select (store (store .cse9 |c_~#top~0.base| (store .cse10 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_14) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not (= (select (select .cse11 |c_~#top~0.base|) |c_~#top~0.offset|) (select .cse10 |c_~#top~0.offset|))))))) (= (select (select .cse11 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1)))) (= (select .cse4 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1))))) is different from false [2024-10-17 06:48:50,020 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse13 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse0 (select .cse13 |c_~#top~0.offset|))) (let ((.cse1 (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| .cse0))) (and (not (= |c_~#m~0.base| |c_~#top~0.base|)) (not (= .cse0 0)) (or .cse1 (and (forall ((v_prenex_8 (Array Int Int)) (v_prenex_9 (Array Int Int)) (|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_15 (Array Int Int)) (v_DerPreprocessor_16 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_16))) (let ((.cse2 (store .cse3 |c_~#m~0.base| v_prenex_8))) (or (= (select (select .cse2 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1) (not (= (select (select (store (store |c_#memory_int| |c_~#m~0.base| v_prenex_9) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_15) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (= (select (select .cse2 |c_~#top~0.base|) |c_~#top~0.offset|) (select (select (store .cse3 |c_~#m~0.base| v_prenex_9) |c_~#top~0.base|) |c_~#top~0.offset|)))))) (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_16 (Array Int Int)) (v_ArrVal_37233 (Array Int Int)) (v_ArrVal_37234 (Array Int Int)) (v_DerPreprocessor_14 (Array Int Int))) (let ((.cse6 (store |c_#memory_int| |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_16))) (let ((.cse4 (select (store .cse6 |c_~#m~0.base| v_ArrVal_37234) |c_~#top~0.base|)) (.cse5 (store .cse6 |c_~#m~0.base| v_ArrVal_37233))) (or (not (= (select (select (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234) |c_~#top~0.base| (store .cse4 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_14) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (select .cse4 |c_~#top~0.offset|) (select (select .cse5 |c_~#top~0.base|) |c_~#top~0.offset|))) (= (select (select .cse5 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1))))))) (not (= |c_thr1Thread2of3ForFork0_push_~newTop~0#1| 0)) (or (let ((.cse9 (store |c_#memory_int| |c_~#top~0.base| (store .cse13 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)))) (and (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_ArrVal_37233 (Array Int Int))) (let ((.cse8 (store .cse9 |thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select .cse9 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)))) (let ((.cse7 (store .cse8 |c_~#m~0.base| v_ArrVal_37233))) (or (forall ((v_ArrVal_37234 (Array Int Int))) (or (= (select (select .cse7 |c_~#top~0.base|) |c_~#top~0.offset|) (select (select (store .cse8 |c_~#m~0.base| v_ArrVal_37234) |c_~#top~0.base|) |c_~#top~0.offset|)) (forall ((v_DerPreprocessor_15 (Array Int Int))) (not (= (select (select (store (store .cse9 |c_~#m~0.base| v_ArrVal_37234) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_15) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))) (= (select (select .cse7 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1))))) (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_ArrVal_37233 (Array Int Int))) (let ((.cse12 (store .cse9 |thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select .cse9 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)))) (let ((.cse10 (store .cse12 |c_~#m~0.base| v_ArrVal_37233))) (or (= (select (select .cse10 |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1) (forall ((v_ArrVal_37234 (Array Int Int))) (let ((.cse11 (select (store .cse12 |c_~#m~0.base| v_ArrVal_37234) |c_~#top~0.base|))) (or (forall ((v_DerPreprocessor_14 (Array Int Int))) (not (= (select (select (store (store (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_37234) |c_~#top~0.base| (store .cse11 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_14) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not (= (select (select .cse10 |c_~#top~0.base|) |c_~#top~0.offset|) (select .cse11 |c_~#top~0.offset|)))))))))))) (not .cse1)))))) is different from false