./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -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_longest-2.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 18:37:10,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 18:37:10,336 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 18:37:10,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 18:37:10,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 18:37:10,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 18:37:10,380 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 18:37:10,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 18:37:10,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 18:37:10,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 18:37:10,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 18:37:10,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 18:37:10,383 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 18:37:10,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 18:37:10,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 18:37:10,384 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 18:37:10,385 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 18:37:10,385 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 18:37:10,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 18:37:10,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 18:37:10,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 18:37:10,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 18:37:10,387 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 18:37:10,388 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 18:37:10,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 18:37:10,389 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 18:37:10,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 18:37:10,389 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 18:37:10,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 18:37:10,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 18:37:10,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 18:37:10,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 18:37:10,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 18:37:10,392 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 18:37:10,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 18:37:10,392 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 18:37:10,393 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 18:37:10,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 18:37:10,393 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 18:37:10,394 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 18:37:10,394 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 18:37:10,403 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 -> 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-18 18:37:10,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 18:37:10,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 18:37:10,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 18:37:10,750 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 18:37:10,751 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 18:37:10,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i [2024-10-18 18:37:12,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 18:37:12,592 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 18:37:12,593 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i [2024-10-18 18:37:12,613 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7a1ea07fb/2cae2fcea2c94c38bf7ab732415293b8/FLAGd3102bde9 [2024-10-18 18:37:12,630 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7a1ea07fb/2cae2fcea2c94c38bf7ab732415293b8 [2024-10-18 18:37:12,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 18:37:12,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 18:37:12,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 18:37:12,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 18:37:12,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 18:37:12,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 06:37:12" (1/1) ... [2024-10-18 18:37:12,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6a5955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:37:12, skipping insertion in model container [2024-10-18 18:37:12,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 06:37:12" (1/1) ... [2024-10-18 18:37:12,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 18:37:13,075 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_longest-2.i[31306,31319] [2024-10-18 18:37:13,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 18:37:13,104 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 18:37:13,162 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_longest-2.i[31306,31319] [2024-10-18 18:37:13,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 18:37:13,205 INFO L204 MainTranslator]: Completed translation [2024-10-18 18:37:13,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:37:13 WrapperNode [2024-10-18 18:37:13,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 18:37:13,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 18:37:13,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 18:37:13,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 18:37:13,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:37:13" (1/1) ... [2024-10-18 18:37:13,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:37:13" (1/1) ... [2024-10-18 18:37:13,256 INFO L138 Inliner]: procedures = 179, calls = 46, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 188 [2024-10-18 18:37:13,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 18:37:13,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 18:37:13,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 18:37:13,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 18:37:13,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:37:13" (1/1) ... [2024-10-18 18:37:13,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:37:13" (1/1) ... [2024-10-18 18:37:13,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:37:13" (1/1) ... [2024-10-18 18:37:13,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:37:13" (1/1) ... [2024-10-18 18:37:13,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:37:13" (1/1) ... [2024-10-18 18:37:13,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:37:13" (1/1) ... [2024-10-18 18:37:13,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:37:13" (1/1) ... [2024-10-18 18:37:13,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:37:13" (1/1) ... [2024-10-18 18:37:13,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 18:37:13,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 18:37:13,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 18:37:13,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 18:37:13,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:37:13" (1/1) ... [2024-10-18 18:37:13,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 18:37:13,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:37:13,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 18:37:13,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 18:37:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 18:37:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-18 18:37:13,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-18 18:37:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 18:37:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 18:37:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 18:37:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-18 18:37:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-18 18:37:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 18:37:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 18:37:13,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 18:37:13,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 18:37:13,408 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 18:37:13,596 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 18:37:13,598 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 18:37:13,975 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 18:37:13,975 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 18:37:14,290 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 18:37:14,291 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-18 18:37:14,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 06:37:14 BoogieIcfgContainer [2024-10-18 18:37:14,292 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 18:37:14,296 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 18:37:14,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 18:37:14,300 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 18:37:14,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 06:37:12" (1/3) ... [2024-10-18 18:37:14,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35e96ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 06:37:14, skipping insertion in model container [2024-10-18 18:37:14,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:37:13" (2/3) ... [2024-10-18 18:37:14,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35e96ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 06:37:14, skipping insertion in model container [2024-10-18 18:37:14,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 06:37:14" (3/3) ... [2024-10-18 18:37:14,304 INFO L112 eAbstractionObserver]: Analyzing ICFG 26_stack_cas_longest-2.i [2024-10-18 18:37:14,323 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 18:37:14,324 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 18:37:14,325 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 18:37:14,396 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 18:37:14,452 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 18:37:14,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 18:37:14,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:37:14,455 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 18:37:14,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 18:37:14,550 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 18:37:14,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:14,570 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-10-18 18:37:14,577 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;@5d91affb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 18:37:14,578 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-18 18:37:15,477 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:37:15,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:15,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1068284430, now seen corresponding path program 1 times [2024-10-18 18:37:15,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:37:15,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820811442] [2024-10-18 18:37:15,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:15,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:15,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:15,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:37:15,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820811442] [2024-10-18 18:37:15,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820811442] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:37:15,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:37:15,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 18:37:15,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082982074] [2024-10-18 18:37:15,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:37:15,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 18:37:15,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:37:15,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:37:15,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 18:37:15,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:15,946 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:37:15,947 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) [2024-10-18 18:37:15,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:16,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:16,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 18:37:16,024 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:37:16,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:16,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1732640034, now seen corresponding path program 1 times [2024-10-18 18:37:16,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:37:16,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140256232] [2024-10-18 18:37:16,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:16,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:16,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:16,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:37:16,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140256232] [2024-10-18 18:37:16,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140256232] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:37:16,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565033929] [2024-10-18 18:37:16,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:16,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:37:16,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:37:16,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:37:16,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 18:37:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:16,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-18 18:37:16,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:37:16,982 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:37:16,983 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 [2024-10-18 18:37:17,149 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 [2024-10-18 18:37:17,155 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 [2024-10-18 18:37:17,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:17,238 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:37:17,381 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:37:17,381 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 [2024-10-18 18:37:17,387 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 [2024-10-18 18:37:17,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:17,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565033929] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:37:17,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:37:17,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 6] total 21 [2024-10-18 18:37:17,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186095920] [2024-10-18 18:37:17,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:37:17,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-18 18:37:17,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:37:17,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-18 18:37:17,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=431, Unknown=1, NotChecked=0, Total=506 [2024-10-18 18:37:17,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:17,613 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:37:17,613 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) [2024-10-18 18:37:17,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:17,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:18,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:18,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 18:37:18,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 18:37:18,818 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 [2024-10-18 18:37:18,819 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:37:18,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:18,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1189565365, now seen corresponding path program 1 times [2024-10-18 18:37:18,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:37:18,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158681395] [2024-10-18 18:37:18,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:18,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:19,099 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-18 18:37:19,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:37:19,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158681395] [2024-10-18 18:37:19,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158681395] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:37:19,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:37:19,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 18:37:19,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839414186] [2024-10-18 18:37:19,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:37:19,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 18:37:19,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:37:19,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 18:37:19,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 18:37:19,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:19,103 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:37:19,103 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) [2024-10-18 18:37:19,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:19,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 18:37:19,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:19,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:19,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 18:37:19,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:19,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-18 18:37:19,179 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:37:19,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:19,179 INFO L85 PathProgramCache]: Analyzing trace with hash -694505680, now seen corresponding path program 1 times [2024-10-18 18:37:19,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:37:19,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300714089] [2024-10-18 18:37:19,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:19,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:19,298 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 43 proven. 5 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-18 18:37:19,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:37:19,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300714089] [2024-10-18 18:37:19,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300714089] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:37:19,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073303912] [2024-10-18 18:37:19,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:19,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:37:19,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:37:19,301 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:37:19,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 18:37:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:19,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-18 18:37:19,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:37:19,489 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-18 18:37:19,490 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 18:37:19,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073303912] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:37:19,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 18:37:19,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2024-10-18 18:37:19,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351980054] [2024-10-18 18:37:19,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:37:19,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 18:37:19,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:37:19,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:37:19,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-18 18:37:19,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:19,494 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:37:19,495 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) [2024-10-18 18:37:19,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:19,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 18:37:19,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:19,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:19,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:19,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 18:37:19,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:19,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:19,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-18 18:37:19,775 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 [2024-10-18 18:37:19,775 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:37:19,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:19,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1567204097, now seen corresponding path program 1 times [2024-10-18 18:37:19,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:37:19,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513195709] [2024-10-18 18:37:19,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:19,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:19,864 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:19,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:37:19,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513195709] [2024-10-18 18:37:19,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513195709] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:37:19,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320926631] [2024-10-18 18:37:19,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:19,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:37:19,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:37:19,869 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:37:19,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 18:37:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:19,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-18 18:37:19,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:37:20,042 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:20,042 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:37:20,100 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:20,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320926631] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:37:20,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:37:20,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-18 18:37:20,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589430128] [2024-10-18 18:37:20,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:37:20,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 18:37:20,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:37:20,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 18:37:20,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-18 18:37:20,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:20,102 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:37:20,102 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) [2024-10-18 18:37:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 18:37:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:20,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:20,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:20,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 18:37:20,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:20,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:20,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:37:20,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-18 18:37:20,417 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 [2024-10-18 18:37:20,418 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:37:20,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:20,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1738780614, now seen corresponding path program 1 times [2024-10-18 18:37:20,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:37:20,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711083933] [2024-10-18 18:37:20,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:20,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:21,096 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-18 18:37:21,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:37:21,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711083933] [2024-10-18 18:37:21,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711083933] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:37:21,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986762305] [2024-10-18 18:37:21,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:21,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:37:21,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:37:21,100 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:37:21,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 18:37:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:21,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-18 18:37:21,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:37:21,565 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-10-18 18:37:21,566 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 [2024-10-18 18:37:21,715 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:21,715 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:37:21,988 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:21,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986762305] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:37:21,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:37:21,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 7] total 26 [2024-10-18 18:37:21,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051047305] [2024-10-18 18:37:21,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:37:21,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-18 18:37:21,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:37:21,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-18 18:37:21,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=639, Unknown=6, NotChecked=0, Total=756 [2024-10-18 18:37:21,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:21,995 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:37:21,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 5.444444444444445) internal successors, (147), 27 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:37:21,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:21,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 18:37:21,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:21,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:21,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:37:21,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:23,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:23,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 18:37:23,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:23,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:23,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:37:23,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-18 18:37:23,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-18 18:37:23,839 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 [2024-10-18 18:37:23,839 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:37:23,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:23,840 INFO L85 PathProgramCache]: Analyzing trace with hash -655296777, now seen corresponding path program 2 times [2024-10-18 18:37:23,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:37:23,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378655278] [2024-10-18 18:37:23,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:23,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:24,097 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-10-18 18:37:24,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:37:24,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378655278] [2024-10-18 18:37:24,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378655278] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:37:24,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:37:24,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 18:37:24,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193410828] [2024-10-18 18:37:24,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:37:24,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 18:37:24,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:37:24,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:37:24,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 18:37:24,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:24,101 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:37:24,101 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) [2024-10-18 18:37:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 18:37:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:37:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-18 18:37:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 18:37:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:25,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:37:25,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-10-18 18:37:25,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:25,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-18 18:37:25,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-18 18:37:25,939 INFO L414 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-10-18 18:37:25,941 INFO L312 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2024-10-18 18:37:25,945 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 18:37:25,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 18:37:25,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:37:25,948 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) [2024-10-18 18:37:25,950 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 [2024-10-18 18:37:25,990 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 18:37:25,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:25,991 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 18:37:25,991 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;@5d91affb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 18:37:25,991 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-18 18:37:26,326 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:37:26,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:26,326 INFO L85 PathProgramCache]: Analyzing trace with hash -319980758, now seen corresponding path program 1 times [2024-10-18 18:37:26,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:37:26,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528470566] [2024-10-18 18:37:26,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:26,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:26,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:37:26,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528470566] [2024-10-18 18:37:26,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528470566] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:37:26,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:37:26,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 18:37:26,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027937496] [2024-10-18 18:37:26,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:37:26,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 18:37:26,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:37:26,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:37:26,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 18:37:26,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:26,367 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:37:26,367 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) [2024-10-18 18:37:26,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:26,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:37:26,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-18 18:37:26,391 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:37:26,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:26,391 INFO L85 PathProgramCache]: Analyzing trace with hash 19260438, now seen corresponding path program 1 times [2024-10-18 18:37:26,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:37:26,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076739140] [2024-10-18 18:37:26,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:26,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:26,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:37:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:26,441 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-18 18:37:26,441 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-18 18:37:26,442 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-10-18 18:37:26,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-18 18:37:26,446 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-18 18:37:26,448 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2024-10-18 18:37:26,449 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-18 18:37:26,449 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-18 18:37:26,485 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 18:37:26,490 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 18:37:26,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 18:37:26,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:37:26,493 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 18:37:26,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2024-10-18 18:37:26,543 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 18:37:26,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:26,544 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 18:37:26,546 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;@5d91affb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 18:37:26,546 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-18 18:37:29,687 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:37:29,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2024-10-18 18:37:29,721 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:37:29,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 60 [2024-10-18 18:37:29,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:29,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:29,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:29,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:32,408 INFO L85 PathProgramCache]: Analyzing trace with hash -2019912920, now seen corresponding path program 1 times [2024-10-18 18:37:32,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:32,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:32,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:32,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:32,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:32,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:32,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:37:32,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 18:37:32,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:37:32,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 119 [2024-10-18 18:37:32,998 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:37:32,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 29 [2024-10-18 18:37:33,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:33,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:33,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:33,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:33,672 INFO L85 PathProgramCache]: Analyzing trace with hash 457999374, now seen corresponding path program 1 times [2024-10-18 18:37:33,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:33,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:33,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:37:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:34,063 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 304 treesize of output 280 [2024-10-18 18:37:34,074 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 18:37:34,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:37:34,108 INFO L85 PathProgramCache]: Analyzing trace with hash 2050649334, now seen corresponding path program 1 times [2024-10-18 18:37:34,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:34,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:34,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:37:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:34,653 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:37:34,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:34,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1555883774, now seen corresponding path program 1 times [2024-10-18 18:37:34,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:37:34,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959080084] [2024-10-18 18:37:34,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:34,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:34,761 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 18:37:34,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:37:34,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959080084] [2024-10-18 18:37:34,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959080084] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:37:34,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:37:34,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 18:37:34,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977362813] [2024-10-18 18:37:34,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:37:34,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 18:37:34,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:37:34,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 18:37:34,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 18:37:34,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:34,763 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:37:34,763 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) [2024-10-18 18:37:34,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:35,343 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:37:35,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2024-10-18 18:37:35,370 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:37:35,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 60 [2024-10-18 18:37:35,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:36,128 INFO L85 PathProgramCache]: Analyzing trace with hash 457999420, now seen corresponding path program 1 times [2024-10-18 18:37:36,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:36,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:36,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:37:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:36,667 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 420 treesize of output 384 [2024-10-18 18:37:36,677 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 18:37:36,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:37:36,704 INFO L85 PathProgramCache]: Analyzing trace with hash 2050649376, now seen corresponding path program 1 times [2024-10-18 18:37:36,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:36,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:36,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:37:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:37,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:37,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-10-18 18:37:37,051 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:37:37,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:37,052 INFO L85 PathProgramCache]: Analyzing trace with hash 605866175, now seen corresponding path program 1 times [2024-10-18 18:37:37,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:37:37,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332421499] [2024-10-18 18:37:37,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:37,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:37,122 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:37,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:37:37,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332421499] [2024-10-18 18:37:37,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332421499] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:37:37,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007755677] [2024-10-18 18:37:37,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:37,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:37:37,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:37:37,126 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) [2024-10-18 18:37:37,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 18:37:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:37,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-18 18:37:37,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:37:37,345 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:37,345 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:37:37,397 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:37,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007755677] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:37:37,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:37:37,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-18 18:37:37,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521967524] [2024-10-18 18:37:37,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:37:37,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 18:37:37,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:37:37,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 18:37:37,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-18 18:37:37,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:37,398 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:37:37,399 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) [2024-10-18 18:37:37,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:37,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:37,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:37:37,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 67 [2024-10-18 18:37:38,034 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:37:38,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 29 [2024-10-18 18:37:38,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:40,703 INFO L85 PathProgramCache]: Analyzing trace with hash 457999438, now seen corresponding path program 1 times [2024-10-18 18:37:40,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:40,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:40,723 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:37:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:41,055 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 304 treesize of output 280 [2024-10-18 18:37:41,066 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 18:37:41,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:37:41,105 INFO L85 PathProgramCache]: Analyzing trace with hash 2050649392, now seen corresponding path program 1 times [2024-10-18 18:37:41,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:41,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:41,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:37:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:41,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-18 18:37:41,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable16,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-18 18:37:41,455 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:37:41,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:41,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1850241810, now seen corresponding path program 1 times [2024-10-18 18:37:41,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:37:41,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593409219] [2024-10-18 18:37:41,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:41,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:41,772 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:41,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:37:41,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593409219] [2024-10-18 18:37:41,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593409219] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:37:41,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215510551] [2024-10-18 18:37:41,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:41,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:37:41,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:37:41,777 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:37:41,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 18:37:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:41,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-18 18:37:41,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:37:42,004 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:37:42,004 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 [2024-10-18 18:37:42,124 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 [2024-10-18 18:37:42,130 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 [2024-10-18 18:37:42,198 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:42,198 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:37:42,321 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:37:42,322 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 [2024-10-18 18:37:42,324 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 [2024-10-18 18:37:42,517 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:42,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215510551] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:37:42,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:37:42,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 26 [2024-10-18 18:37:42,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838204277] [2024-10-18 18:37:42,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:37:42,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-18 18:37:42,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:37:42,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-18 18:37:42,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=573, Unknown=3, NotChecked=0, Total=702 [2024-10-18 18:37:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:42,520 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:37:42,521 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) [2024-10-18 18:37:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:42,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:37:43,120 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:37:43,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2024-10-18 18:37:43,149 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:37:43,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 112 [2024-10-18 18:37:43,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:43,924 INFO L85 PathProgramCache]: Analyzing trace with hash 457999444, now seen corresponding path program 1 times [2024-10-18 18:37:43,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:43,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:43,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:37:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:44,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 21 treesize of output 17 [2024-10-18 18:37:44,410 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 147 treesize of output 135 [2024-10-18 18:37:44,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:37:44,447 INFO L85 PathProgramCache]: Analyzing trace with hash 2050649400, now seen corresponding path program 1 times [2024-10-18 18:37:44,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:44,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:44,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:37:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:45,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 21 treesize of output 17 [2024-10-18 18:37:45,187 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 246 treesize of output 226 [2024-10-18 18:37:45,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:37:45,219 INFO L85 PathProgramCache]: Analyzing trace with hash 375463319, now seen corresponding path program 1 times [2024-10-18 18:37:45,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:45,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:45,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:37:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:45,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:45,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:37:45,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 18:37:45,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-18 18:37:45,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:37:45,545 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 18:37:45,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:45,546 INFO L85 PathProgramCache]: Analyzing trace with hash 42787347, now seen corresponding path program 1 times [2024-10-18 18:37:45,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:37:45,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362786485] [2024-10-18 18:37:45,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:45,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:45,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:37:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:45,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-18 18:37:45,607 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-18 18:37:45,607 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-10-18 18:37:45,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-18 18:37:45,612 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-18 18:37:45,612 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2024-10-18 18:37:45,613 WARN L239 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-18 18:37:45,613 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-10-18 18:37:45,663 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 18:37:45,667 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 18:37:45,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 18:37:45,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:37:45,669 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) [2024-10-18 18:37:45,671 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 [2024-10-18 18:37:45,721 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 18:37:45,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:37:45,722 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2024-10-18 18:37:45,722 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;@5d91affb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 18:37:45,722 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-18 18:37:50,120 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:37:50,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2024-10-18 18:37:50,165 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:37:50,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 60 [2024-10-18 18:37:50,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:50,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:50,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:50,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:50,853 INFO L85 PathProgramCache]: Analyzing trace with hash -386020847, now seen corresponding path program 1 times [2024-10-18 18:37:50,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:50,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:50,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:50,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:50,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:50,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:37:50,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 18:37:51,296 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:37:51,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 119 [2024-10-18 18:37:51,334 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:37:51,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 29 [2024-10-18 18:37:51,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:53,915 INFO L85 PathProgramCache]: Analyzing trace with hash 850464095, now seen corresponding path program 1 times [2024-10-18 18:37:53,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:53,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:53,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:37:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:54,414 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:37:54,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 153 treesize of output 143 [2024-10-18 18:37:54,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:37:54,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1252034829, now seen corresponding path program 1 times [2024-10-18 18:37:54,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:54,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:54,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:37:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:56,914 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:37:56,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2024-10-18 18:37:56,953 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:37:56,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 112 [2024-10-18 18:37:57,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:57,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1269680686, now seen corresponding path program 1 times [2024-10-18 18:37:57,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:57,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:57,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:57,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:57,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:37:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:37:57,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 18:37:57,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 18:37:58,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 30 treesize of output 22 [2024-10-18 18:37:58,272 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:37:58,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 112 [2024-10-18 18:37:58,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:37:58,816 INFO L85 PathProgramCache]: Analyzing trace with hash 850464220, now seen corresponding path program 1 times [2024-10-18 18:37:58,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:58,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:58,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:37:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:59,274 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:37:59,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 310 treesize of output 288 [2024-10-18 18:37:59,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:37:59,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1252034944, now seen corresponding path program 1 times [2024-10-18 18:37:59,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:37:59,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:37:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:37:59,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:37:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:00,126 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:38:00,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 126 treesize of output 114 [2024-10-18 18:38:00,286 INFO L85 PathProgramCache]: Analyzing trace with hash 16078904, now seen corresponding path program 1 times [2024-10-18 18:38:00,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:00,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:00,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:00,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:00,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:00,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:00,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:38:00,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-18 18:38:00,875 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:38:00,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 119 [2024-10-18 18:38:00,960 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:38:00,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 29 [2024-10-18 18:38:01,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:03,496 INFO L85 PathProgramCache]: Analyzing trace with hash 850464253, now seen corresponding path program 1 times [2024-10-18 18:38:03,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:03,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:03,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:03,823 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:03,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 438 treesize of output 400 [2024-10-18 18:38:03,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:03,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1252034975, now seen corresponding path program 1 times [2024-10-18 18:38:03,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:03,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:03,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:04,259 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:38:04,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 58 [2024-10-18 18:38:04,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:04,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1838261024, now seen corresponding path program 1 times [2024-10-18 18:38:04,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:04,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:04,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:04,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:04,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:05,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:05,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-18 18:38:05,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2024-10-18 18:38:06,034 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:38:06,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2024-10-18 18:38:06,067 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:38:06,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 60 [2024-10-18 18:38:06,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:06,991 INFO L85 PathProgramCache]: Analyzing trace with hash 850464262, now seen corresponding path program 1 times [2024-10-18 18:38:06,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:06,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:07,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:07,478 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:07,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 153 treesize of output 143 [2024-10-18 18:38:07,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:07,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1252034986, now seen corresponding path program 1 times [2024-10-18 18:38:07,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:07,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:07,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:08,156 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:08,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 310 treesize of output 288 [2024-10-18 18:38:08,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:08,196 INFO L85 PathProgramCache]: Analyzing trace with hash -984540335, now seen corresponding path program 1 times [2024-10-18 18:38:08,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:08,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:08,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:09,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 21 treesize of output 17 [2024-10-18 18:38:09,189 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 304 treesize of output 280 [2024-10-18 18:38:09,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:09,224 INFO L85 PathProgramCache]: Analyzing trace with hash 764243104, now seen corresponding path program 1 times [2024-10-18 18:38:09,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:09,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:09,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:09,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:09,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:09,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:09,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 18:38:09,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=650, Unknown=0, NotChecked=0, Total=756 [2024-10-18 18:38:10,080 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:10,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 426 treesize of output 392 [2024-10-18 18:38:10,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:10,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1252035043, now seen corresponding path program 1 times [2024-10-18 18:38:10,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:10,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:10,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:10,404 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:10,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 438 treesize of output 400 [2024-10-18 18:38:10,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:10,446 INFO L85 PathProgramCache]: Analyzing trace with hash -984540294, now seen corresponding path program 1 times [2024-10-18 18:38:10,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:10,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:10,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:10,855 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 420 treesize of output 384 [2024-10-18 18:38:10,865 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 18:38:10,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:10,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1914978446, now seen corresponding path program 1 times [2024-10-18 18:38:10,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:10,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:10,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:11,326 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:38:11,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 58 [2024-10-18 18:38:11,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1701795178, now seen corresponding path program 1 times [2024-10-18 18:38:11,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:11,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:11,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:12,241 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:12,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 153 treesize of output 143 [2024-10-18 18:38:12,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:12,279 INFO L85 PathProgramCache]: Analyzing trace with hash 956993094, now seen corresponding path program 1 times [2024-10-18 18:38:12,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:12,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:12,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:13,637 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:38:13,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:38:13,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1601576746, now seen corresponding path program 1 times [2024-10-18 18:38:13,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:38:13,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130438517] [2024-10-18 18:38:13,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:13,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-18 18:38:13,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:38:13,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130438517] [2024-10-18 18:38:13,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130438517] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:38:13,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:38:13,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 18:38:13,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042340324] [2024-10-18 18:38:13,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:38:13,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 18:38:13,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:38:13,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 18:38:13,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 18:38:13,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:38:13,807 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:38:13,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:38:13,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:38:14,375 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:14,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 153 treesize of output 143 [2024-10-18 18:38:14,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:14,425 INFO L85 PathProgramCache]: Analyzing trace with hash -984540166, now seen corresponding path program 1 times [2024-10-18 18:38:14,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:14,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:14,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:14,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 21 treesize of output 17 [2024-10-18 18:38:14,735 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 304 treesize of output 280 [2024-10-18 18:38:14,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:14,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1914978326, now seen corresponding path program 1 times [2024-10-18 18:38:14,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:14,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:14,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:15,202 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:38:15,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 58 [2024-10-18 18:38:15,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:15,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1701795062, now seen corresponding path program 1 times [2024-10-18 18:38:15,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:15,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:15,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:15,764 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:15,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 264 treesize of output 242 [2024-10-18 18:38:15,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:15,799 INFO L85 PathProgramCache]: Analyzing trace with hash 956993198, now seen corresponding path program 1 times [2024-10-18 18:38:15,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:15,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:15,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:16,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:38:16,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-10-18 18:38:16,291 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:38:16,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:38:16,291 INFO L85 PathProgramCache]: Analyzing trace with hash 888066030, now seen corresponding path program 1 times [2024-10-18 18:38:16,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:38:16,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048033343] [2024-10-18 18:38:16,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:16,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:16,420 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:16,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:38:16,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048033343] [2024-10-18 18:38:16,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048033343] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:38:16,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81581582] [2024-10-18 18:38:16,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:16,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:38:16,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:38:16,423 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:38:16,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-18 18:38:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:16,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-18 18:38:16,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:38:16,839 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:16,839 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:38:16,974 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:16,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81581582] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:38:16,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:38:16,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-18 18:38:16,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636303796] [2024-10-18 18:38:16,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:38:16,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-18 18:38:16,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:38:16,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-18 18:38:16,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-18 18:38:16,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:38:16,976 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:38:16,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.0) internal successors, (165), 10 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:38:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:38:16,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:38:17,435 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:17,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 153 treesize of output 143 [2024-10-18 18:38:17,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:17,473 INFO L85 PathProgramCache]: Analyzing trace with hash -984540138, now seen corresponding path program 1 times [2024-10-18 18:38:17,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:17,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:17,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:17,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 21 treesize of output 17 [2024-10-18 18:38:17,830 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 304 treesize of output 280 [2024-10-18 18:38:17,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:17,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1914978298, now seen corresponding path program 1 times [2024-10-18 18:38:17,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:17,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:17,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:18,286 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:38:18,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 58 [2024-10-18 18:38:18,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1701795034, now seen corresponding path program 1 times [2024-10-18 18:38:18,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:18,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:18,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:18,777 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:18,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 264 treesize of output 242 [2024-10-18 18:38:18,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:18,832 INFO L85 PathProgramCache]: Analyzing trace with hash 956993224, now seen corresponding path program 1 times [2024-10-18 18:38:18,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:18,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:18,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:19,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:38:19,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 18:38:19,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-18 18:38:19,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:38:19,263 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:38:19,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:38:19,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1263429751, now seen corresponding path program 1 times [2024-10-18 18:38:19,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:38:19,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197799551] [2024-10-18 18:38:19,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:19,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:20,073 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 18:38:20,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:38:20,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197799551] [2024-10-18 18:38:20,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197799551] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:38:20,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897887112] [2024-10-18 18:38:20,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:20,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:38:20,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:38:20,077 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:38:20,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-18 18:38:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:20,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-10-18 18:38:20,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:38:21,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 18:38:21,039 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-10-18 18:38:21,039 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 [2024-10-18 18:38:21,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 18:38:21,176 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-10-18 18:38:21,177 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 [2024-10-18 18:38:21,190 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:21,191 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 17 treesize of output 17 [2024-10-18 18:38:21,406 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-10-18 18:38:21,409 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 [2024-10-18 18:38:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:21,512 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:38:21,622 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:38:21,622 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 [2024-10-18 18:38:21,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-10-18 18:38:21,627 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 [2024-10-18 18:38:21,812 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-10-18 18:38:21,813 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 [2024-10-18 18:38:22,222 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:22,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897887112] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:38:22,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:38:22,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 19, 15] total 44 [2024-10-18 18:38:22,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585817676] [2024-10-18 18:38:22,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:38:22,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-10-18 18:38:22,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:38:22,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-10-18 18:38:22,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=1706, Unknown=6, NotChecked=0, Total=2070 [2024-10-18 18:38:22,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:38:22,225 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:38:22,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 5.533333333333333) internal successors, (249), 45 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:38:22,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:38:22,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 18:38:22,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:38:23,315 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:23,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 252 treesize of output 234 [2024-10-18 18:38:23,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:23,354 INFO L85 PathProgramCache]: Analyzing trace with hash -984540116, now seen corresponding path program 1 times [2024-10-18 18:38:23,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:23,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:23,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:24,206 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 147 treesize of output 135 [2024-10-18 18:38:24,219 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 18:38:24,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:24,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1914978270, now seen corresponding path program 1 times [2024-10-18 18:38:24,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:24,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:24,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:25,002 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:25,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 438 treesize of output 400 [2024-10-18 18:38:25,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:25,043 INFO L85 PathProgramCache]: Analyzing trace with hash 956993255, now seen corresponding path program 1 times [2024-10-18 18:38:25,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:25,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:25,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:26,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:38:26,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:38:26,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-18 18:38:26,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-18 18:38:27,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2024-10-18 18:38:27,053 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:38:27,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:38:27,054 INFO L85 PathProgramCache]: Analyzing trace with hash 2074870008, now seen corresponding path program 1 times [2024-10-18 18:38:27,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:38:27,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737065267] [2024-10-18 18:38:27,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:27,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-10-18 18:38:27,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:38:27,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737065267] [2024-10-18 18:38:27,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737065267] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:38:27,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:38:27,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 18:38:27,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169439834] [2024-10-18 18:38:27,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:38:27,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 18:38:27,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:38:27,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 18:38:27,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 18:38:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:38:27,333 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:38:27,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:38:27,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:38:27,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:38:27,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-18 18:38:27,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:38:28,165 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:28,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 310 treesize of output 288 [2024-10-18 18:38:28,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:28,203 INFO L85 PathProgramCache]: Analyzing trace with hash 956993268, now seen corresponding path program 1 times [2024-10-18 18:38:28,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:28,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:28,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:28,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:38:28,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:38:28,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-10-18 18:38:28,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:38:28,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,SelfDestructingSolverStorable63 [2024-10-18 18:38:28,339 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:38:28,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:38:28,340 INFO L85 PathProgramCache]: Analyzing trace with hash 499685309, now seen corresponding path program 1 times [2024-10-18 18:38:28,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:38:28,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907148246] [2024-10-18 18:38:28,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:28,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:28,604 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-10-18 18:38:28,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:38:28,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907148246] [2024-10-18 18:38:28,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907148246] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:38:28,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:38:28,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 18:38:28,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787814430] [2024-10-18 18:38:28,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:38:28,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 18:38:28,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:38:28,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:38:28,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 18:38:28,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:38:28,607 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:38:28,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) 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) [2024-10-18 18:38:28,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:38:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:38:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-10-18 18:38:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:38:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:38:30,033 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:38:30,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 119 [2024-10-18 18:38:30,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 30 treesize of output 22 [2024-10-18 18:38:30,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:30,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:30,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:30,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:30,657 INFO L85 PathProgramCache]: Analyzing trace with hash 933186249, now seen corresponding path program 1 times [2024-10-18 18:38:30,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:30,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:31,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:31,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:31,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:31,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-18 18:38:31,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1679, Unknown=0, NotChecked=0, Total=1892 [2024-10-18 18:38:34,172 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 147 treesize of output 135 [2024-10-18 18:38:34,184 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 18:38:34,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:34,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1234301086, now seen corresponding path program 1 times [2024-10-18 18:38:34,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:34,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:34,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:35,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 21 treesize of output 17 [2024-10-18 18:38:35,504 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 147 treesize of output 135 [2024-10-18 18:38:35,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:35,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1307698478, now seen corresponding path program 1 times [2024-10-18 18:38:35,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:35,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:36,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:36,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:36,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:37,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:37,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-18 18:38:37,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=374, Invalid=3916, Unknown=0, NotChecked=0, Total=4290 [2024-10-18 18:38:39,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 21 treesize of output 17 [2024-10-18 18:38:39,471 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 304 treesize of output 280 [2024-10-18 18:38:39,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:39,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1234301028, now seen corresponding path program 1 times [2024-10-18 18:38:39,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:39,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:39,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:40,413 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:38:40,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 119 [2024-10-18 18:38:40,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 30 treesize of output 22 [2024-10-18 18:38:40,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:40,990 INFO L85 PathProgramCache]: Analyzing trace with hash -7937155, now seen corresponding path program 1 times [2024-10-18 18:38:40,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:40,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:41,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:41,889 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:41,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 310 treesize of output 288 [2024-10-18 18:38:41,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:41,928 INFO L85 PathProgramCache]: Analyzing trace with hash 961577451, now seen corresponding path program 1 times [2024-10-18 18:38:41,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:41,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:41,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:43,058 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 258 treesize of output 234 [2024-10-18 18:38:43,066 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 18:38:43,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:43,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1458465984, now seen corresponding path program 1 times [2024-10-18 18:38:43,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:43,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:43,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:44,257 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 147 treesize of output 135 [2024-10-18 18:38:44,265 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 18:38:44,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:44,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1637387480, now seen corresponding path program 1 times [2024-10-18 18:38:44,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:44,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:44,849 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:44,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:44,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:45,106 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:38:45,956 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:45,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 153 treesize of output 143 [2024-10-18 18:38:45,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:46,000 INFO L85 PathProgramCache]: Analyzing trace with hash -182537236, now seen corresponding path program 1 times [2024-10-18 18:38:46,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:46,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:46,283 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 18:38:46,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:46,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:46,438 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 18:38:46,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:38:46,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=619, Invalid=6863, Unknown=0, NotChecked=0, Total=7482 [2024-10-18 18:38:47,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 30 treesize of output 22 [2024-10-18 18:38:47,703 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:38:47,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 112 [2024-10-18 18:38:47,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:47,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:47,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:47,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:48,247 INFO L85 PathProgramCache]: Analyzing trace with hash -7937066, now seen corresponding path program 1 times [2024-10-18 18:38:48,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:48,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:48,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:48,698 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:48,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 310 treesize of output 288 [2024-10-18 18:38:48,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:48,751 INFO L85 PathProgramCache]: Analyzing trace with hash 961577528, now seen corresponding path program 1 times [2024-10-18 18:38:48,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:48,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:48,810 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:50,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 30 treesize of output 22 [2024-10-18 18:38:50,161 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:38:50,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 60 [2024-10-18 18:38:50,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:50,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1485529399, now seen corresponding path program 1 times [2024-10-18 18:38:50,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:50,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:38:50,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:50,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:51,197 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:38:51,868 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:51,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 310 treesize of output 288 [2024-10-18 18:38:51,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:51,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1665469835, now seen corresponding path program 1 times [2024-10-18 18:38:51,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:51,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:52,181 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:38:52,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:52,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:52,562 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:38:53,276 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:53,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 310 treesize of output 288 [2024-10-18 18:38:53,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:53,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1463561603, now seen corresponding path program 1 times [2024-10-18 18:38:53,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:53,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:53,541 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:38:53,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:53,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:53,794 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:38:54,501 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:54,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 252 treesize of output 234 [2024-10-18 18:38:54,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:54,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1875434616, now seen corresponding path program 1 times [2024-10-18 18:38:54,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:54,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:54,794 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 18:38:54,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:54,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:38:55,181 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 18:38:55,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:38:55,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=7035, Unknown=0, NotChecked=0, Total=7656 [2024-10-18 18:38:56,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:38:56,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2024-10-18 18:38:56,536 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:38:56,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 60 [2024-10-18 18:38:56,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:56,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:56,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:56,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:57,320 INFO L85 PathProgramCache]: Analyzing trace with hash -7936970, now seen corresponding path program 1 times [2024-10-18 18:38:57,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:57,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:57,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:57,777 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:38:57,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 310 treesize of output 288 [2024-10-18 18:38:57,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:38:57,819 INFO L85 PathProgramCache]: Analyzing trace with hash 961577624, now seen corresponding path program 1 times [2024-10-18 18:38:57,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:38:57,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:38:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:57,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:38:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:38:59,246 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:38:59,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2024-10-18 18:38:59,285 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:38:59,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 112 [2024-10-18 18:38:59,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:59,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:59,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:38:59,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:39:00,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1485529305, now seen corresponding path program 1 times [2024-10-18 18:39:00,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:00,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:00,512 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:39:00,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:00,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:00,726 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:39:00,962 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:39:00,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 153 treesize of output 143 [2024-10-18 18:39:00,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:39:01,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1665469751, now seen corresponding path program 1 times [2024-10-18 18:39:01,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:01,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:01,195 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:39:01,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:01,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:01,406 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:39:01,645 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:39:01,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 153 treesize of output 143 [2024-10-18 18:39:01,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:39:01,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1463561537, now seen corresponding path program 1 times [2024-10-18 18:39:01,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:01,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:01,892 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:39:01,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:01,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:02,264 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:39:02,757 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:39:02,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2024-10-18 18:39:02,787 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:39:02,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 60 [2024-10-18 18:39:03,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:39:03,477 INFO L85 PathProgramCache]: Analyzing trace with hash -452643946, now seen corresponding path program 1 times [2024-10-18 18:39:03,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:03,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:03,612 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 18:39:03,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:03,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:03,705 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 18:39:03,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:39:03,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=623, Invalid=7209, Unknown=0, NotChecked=0, Total=7832 [2024-10-18 18:39:04,910 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:39:04,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 119 [2024-10-18 18:39:04,953 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:39:04,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 29 [2024-10-18 18:39:05,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:39:05,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:39:05,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:39:05,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:39:05,509 INFO L85 PathProgramCache]: Analyzing trace with hash -7936914, now seen corresponding path program 1 times [2024-10-18 18:39:05,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:05,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:39:05,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:39:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:39:05,861 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:39:05,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 264 treesize of output 242 [2024-10-18 18:39:05,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:39:05,902 INFO L85 PathProgramCache]: Analyzing trace with hash 961577680, now seen corresponding path program 1 times [2024-10-18 18:39:05,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:05,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:39:05,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:39:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:39:07,373 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:39:07,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2024-10-18 18:39:07,403 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:39:07,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 112 [2024-10-18 18:39:07,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:39:08,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1485529249, now seen corresponding path program 1 times [2024-10-18 18:39:08,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:08,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:08,225 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:39:08,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:08,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:08,433 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:39:08,670 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:39:08,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 153 treesize of output 143 [2024-10-18 18:39:08,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:39:08,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1665469695, now seen corresponding path program 1 times [2024-10-18 18:39:08,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:08,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:08,907 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:39:08,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:08,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:39:09,392 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:39:09,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 153 treesize of output 143 [2024-10-18 18:39:09,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:39:09,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1463561481, now seen corresponding path program 1 times [2024-10-18 18:39:09,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:09,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:09,827 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:39:09,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:09,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:10,163 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:39:10,505 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:39:10,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 310 treesize of output 288 [2024-10-18 18:39:10,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:39:10,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1120987194, now seen corresponding path program 1 times [2024-10-18 18:39:10,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:10,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:10,870 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-18 18:39:10,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:10,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:11,183 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-18 18:39:11,657 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:39:11,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 119 [2024-10-18 18:39:11,698 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:39:11,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 29 [2024-10-18 18:39:11,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:39:11,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:39:11,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:39:11,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:39:12,280 INFO L85 PathProgramCache]: Analyzing trace with hash -940677062, now seen corresponding path program 1 times [2024-10-18 18:39:12,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:12,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:12,576 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 18:39:12,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:12,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:13,063 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 18:39:13,348 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:39:13,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 153 treesize of output 143 [2024-10-18 18:39:13,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:39:13,391 INFO L85 PathProgramCache]: Analyzing trace with hash -2048545380, now seen corresponding path program 1 times [2024-10-18 18:39:13,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:13,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-18 18:39:13,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:13,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:14,127 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-18 18:39:14,554 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:39:14,555 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 42 treesize of output 34 [2024-10-18 18:39:14,584 INFO L85 PathProgramCache]: Analyzing trace with hash -844125360, now seen corresponding path program 1 times [2024-10-18 18:39:14,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:14,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-18 18:39:14,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:14,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-18 18:39:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:39:15,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:39:15,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-18 18:39:15,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:39:15,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:39:15,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable110,SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,SelfDestructingSolverStorable108,SelfDestructingSolverStorable109,SelfDestructingSolverStorable76,SelfDestructingSolverStorable104,SelfDestructingSolverStorable77,SelfDestructingSolverStorable105,SelfDestructingSolverStorable78,SelfDestructingSolverStorable106,SelfDestructingSolverStorable79,SelfDestructingSolverStorable107,SelfDestructingSolverStorable100,SelfDestructingSolverStorable101,SelfDestructingSolverStorable102,SelfDestructingSolverStorable103,SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,SelfDestructingSolverStorable84,SelfDestructingSolverStorable85,SelfDestructingSolverStorable86,SelfDestructingSolverStorable87,SelfDestructingSolverStorable88,SelfDestructingSolverStorable89,SelfDestructingSolverStorable90,SelfDestructingSolverStorable91,SelfDestructingSolverStorable92,SelfDestructingSolverStorable93,SelfDestructingSolverStorable94,SelfDestructingSolverStorable95,SelfDestructingSolverStorable96,SelfDestructingSolverStorable97,SelfDestructingSolverStorable98,SelfDestructingSolverStorable99,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69,SelfDestructingSolverStorable111,SelfDestructingSolverStorable112,SelfDestructingSolverStorable113 [2024-10-18 18:39:15,453 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:39:15,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:39:15,453 INFO L85 PathProgramCache]: Analyzing trace with hash -398114368, now seen corresponding path program 1 times [2024-10-18 18:39:15,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:39:15,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9286844] [2024-10-18 18:39:15,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:15,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 159 proven. 119 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-10-18 18:39:15,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:39:15,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9286844] [2024-10-18 18:39:15,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9286844] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:39:15,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016105513] [2024-10-18 18:39:15,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:15,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:39:15,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:39:15,779 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 18:39:15,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-18 18:39:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:16,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 1313 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-18 18:39:16,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:39:16,745 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 159 proven. 119 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-10-18 18:39:16,745 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:39:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 159 proven. 119 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-10-18 18:39:17,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016105513] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:39:17,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:39:17,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-10-18 18:39:17,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926584403] [2024-10-18 18:39:17,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:39:17,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-18 18:39:17,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:39:17,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-18 18:39:17,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-10-18 18:39:17,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:39:17,013 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:39:17,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 15.666666666666666) internal successors, (329), 20 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:39:17,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:39:17,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:39:17,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-10-18 18:39:17,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:39:17,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:39:17,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:39:18,273 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:39:18,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 426 treesize of output 392 [2024-10-18 18:39:18,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:39:18,311 INFO L85 PathProgramCache]: Analyzing trace with hash 961577766, now seen corresponding path program 1 times [2024-10-18 18:39:18,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:18,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:39:18,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:39:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:39:21,439 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:39:21,439 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 42 treesize of output 34 [2024-10-18 18:39:21,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1268772352, now seen corresponding path program 1 times [2024-10-18 18:39:21,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:21,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:22,679 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 152 proven. 413 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-18 18:39:22,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:22,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:23,453 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 152 proven. 413 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-18 18:39:23,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:39:23,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:39:23,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-18 18:39:23,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:39:23,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:39:23,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 18:39:23,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-18 18:39:23,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable115,SelfDestructingSolverStorable116,SelfDestructingSolverStorable117,SelfDestructingSolverStorable114 [2024-10-18 18:39:23,655 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:39:23,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:39:23,655 INFO L85 PathProgramCache]: Analyzing trace with hash -677272332, now seen corresponding path program 2 times [2024-10-18 18:39:23,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:39:23,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668732448] [2024-10-18 18:39:23,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:23,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:24,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 464 proven. 764 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-10-18 18:39:24,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:39:24,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668732448] [2024-10-18 18:39:24,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668732448] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:39:24,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312480284] [2024-10-18 18:39:24,610 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 18:39:24,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:39:24,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:39:24,613 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) [2024-10-18 18:39:24,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-18 18:39:25,646 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 18:39:25,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 18:39:25,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 2123 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-18 18:39:25,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:39:26,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 13 proven. 1182 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-10-18 18:39:26,064 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:39:26,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 13 proven. 1182 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-10-18 18:39:26,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312480284] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:39:26,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:39:26,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 40 [2024-10-18 18:39:26,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530715244] [2024-10-18 18:39:26,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:39:26,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-10-18 18:39:26,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:39:26,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-10-18 18:39:26,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2024-10-18 18:39:26,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:39:26,948 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:39:26,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 15.463414634146341) internal successors, (634), 40 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:39:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:39:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:39:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-10-18 18:39:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:39:26,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:39:26,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 18:39:26,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:39:33,501 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:39:33,501 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 42 treesize of output 34 [2024-10-18 18:39:33,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1227855571, now seen corresponding path program 1 times [2024-10-18 18:39:33,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:33,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:36,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3767 backedges. 412 proven. 3323 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-18 18:39:36,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:36,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:39,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3767 backedges. 412 proven. 3323 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-18 18:39:39,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:39:39,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:39:39,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-18 18:39:39,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:39:39,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:39:39,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 18:39:39,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 18:39:39,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-18 18:39:39,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,SelfDestructingSolverStorable119,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable118 [2024-10-18 18:39:39,796 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:39:39,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:39:39,796 INFO L85 PathProgramCache]: Analyzing trace with hash 591143260, now seen corresponding path program 3 times [2024-10-18 18:39:39,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:39:39,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231550062] [2024-10-18 18:39:39,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:39:39,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:39:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:39:42,920 INFO L134 CoverageAnalysis]: Checked inductivity of 5325 backedges. 1074 proven. 4154 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-10-18 18:39:42,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:39:42,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231550062] [2024-10-18 18:39:42,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231550062] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:39:42,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451645573] [2024-10-18 18:39:42,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 18:39:42,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:39:42,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:39:42,922 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) [2024-10-18 18:39:42,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-18 18:39:44,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-18 18:39:44,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 18:39:44,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-18 18:39:44,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:39:44,423 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 [2024-10-18 18:39:44,430 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 [2024-10-18 18:39:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5325 backedges. 906 proven. 0 refuted. 0 times theorem prover too weak. 4419 trivial. 0 not checked. [2024-10-18 18:39:44,608 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 18:39:44,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451645573] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:39:44,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 18:39:44,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [40] total 47 [2024-10-18 18:39:44,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078117709] [2024-10-18 18:39:44,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:39:44,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-18 18:39:44,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:39:44,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-18 18:39:44,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=845, Invalid=1411, Unknown=0, NotChecked=0, Total=2256 [2024-10-18 18:39:44,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:39:44,611 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:39:44,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:39:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:39:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:39:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-10-18 18:39:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:39:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:39:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 18:39:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 18:39:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:39:55,615 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:39:55,615 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 44 treesize of output 36 [2024-10-18 18:39:55,645 INFO L349 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2024-10-18 18:39:55,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1065 treesize of output 976 [2024-10-18 18:39:55,700 INFO L349 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2024-10-18 18:39:55,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 630 treesize of output 593 [2024-10-18 18:39:55,812 INFO L349 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2024-10-18 18:39:55,812 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 92 treesize of output 1 [2024-10-18 18:39:55,838 INFO L349 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2024-10-18 18:39:55,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1231 treesize of output 1154 [2024-10-18 18:40:06,749 INFO L85 PathProgramCache]: Analyzing trace with hash 911153242, now seen corresponding path program 1 times [2024-10-18 18:40:06,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:40:06,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:40:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:40:07,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2910 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 2589 trivial. 0 not checked. [2024-10-18 18:40:07,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:40:07,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:40:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:40:08,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2910 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 2589 trivial. 0 not checked. [2024-10-18 18:40:08,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:40:08,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1513, Invalid=13007, Unknown=0, NotChecked=0, Total=14520 [2024-10-18 18:40:17,194 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:40:17,195 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 42 treesize of output 34 [2024-10-18 18:40:17,216 INFO L85 PathProgramCache]: Analyzing trace with hash 342868887, now seen corresponding path program 1 times [2024-10-18 18:40:17,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:40:17,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:40:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:40:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2649 trivial. 0 not checked. [2024-10-18 18:40:18,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:40:18,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:40:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:40:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2649 trivial. 0 not checked. [2024-10-18 18:40:19,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:40:19,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1517, Invalid=13489, Unknown=0, NotChecked=0, Total=15006 [2024-10-18 18:40:27,381 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:40:27,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 67 [2024-10-18 18:40:27,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 30 treesize of output 22 [2024-10-18 18:40:27,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:40:28,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1278684431, now seen corresponding path program 1 times [2024-10-18 18:40:28,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:40:28,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:40:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:40:30,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2619 backedges. 34 proven. 2585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:40:30,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:40:30,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:40:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:40:32,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2619 backedges. 34 proven. 2585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:40:33,246 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:40:33,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 438 treesize of output 400 [2024-10-18 18:40:33,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:40:33,290 INFO L85 PathProgramCache]: Analyzing trace with hash -456974559, now seen corresponding path program 1 times [2024-10-18 18:40:33,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:40:33,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:40:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:40:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2619 backedges. 34 proven. 2585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:40:35,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:40:35,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:40:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:40:37,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2619 backedges. 34 proven. 2585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:40:38,368 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 420 treesize of output 384 [2024-10-18 18:40:38,378 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 18:40:38,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:40:38,414 INFO L85 PathProgramCache]: Analyzing trace with hash 633075, now seen corresponding path program 1 times [2024-10-18 18:40:38,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:40:38,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:40:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:40:40,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2619 backedges. 34 proven. 2585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:40:40,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:40:40,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:40:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:40:42,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2619 backedges. 34 proven. 2585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:40:43,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 21 treesize of output 17 [2024-10-18 18:40:43,455 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 432 treesize of output 392 [2024-10-18 18:40:43,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:40:43,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1225858624, now seen corresponding path program 1 times [2024-10-18 18:40:43,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:40:43,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:40:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:40:45,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2631 backedges. 46 proven. 2585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:40:45,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:40:45,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:40:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:40:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2631 backedges. 46 proven. 2585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:40:48,654 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 258 treesize of output 234 [2024-10-18 18:40:48,664 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 18:40:48,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:40:48,699 INFO L85 PathProgramCache]: Analyzing trace with hash -41747969, now seen corresponding path program 1 times [2024-10-18 18:40:48,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:40:48,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:40:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:40:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2717 trivial. 0 not checked. [2024-10-18 18:40:49,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:40:49,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:40:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:40:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2717 trivial. 0 not checked. [2024-10-18 18:40:50,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:40:50,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1525, Invalid=14225, Unknown=0, NotChecked=0, Total=15750 [2024-10-18 18:40:58,729 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 18:40:58,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 67 [2024-10-18 18:40:58,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 30 treesize of output 22 [2024-10-18 18:40:58,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:40:58,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:40:58,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:40:58,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2024-10-18 18:40:59,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1278684142, now seen corresponding path program 1 times [2024-10-18 18:40:59,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:40:59,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:40:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:01,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2619 backedges. 34 proven. 2585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:41:01,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:01,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:04,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2619 backedges. 34 proven. 2585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:41:04,688 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-18 18:41:04,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 426 treesize of output 392 [2024-10-18 18:41:04,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:41:04,730 INFO L85 PathProgramCache]: Analyzing trace with hash -456974282, now seen corresponding path program 1 times [2024-10-18 18:41:04,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:04,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2619 backedges. 34 proven. 2585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:41:06,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:06,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:08,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2619 backedges. 34 proven. 2585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:41:09,239 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 147 treesize of output 135 [2024-10-18 18:41:09,249 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 18:41:09,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:41:09,283 INFO L85 PathProgramCache]: Analyzing trace with hash 633332, now seen corresponding path program 1 times [2024-10-18 18:41:09,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:09,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:11,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2619 backedges. 34 proven. 2585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:41:11,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:11,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:13,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2619 backedges. 34 proven. 2585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:41:14,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 21 treesize of output 17 [2024-10-18 18:41:14,151 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 304 treesize of output 280 [2024-10-18 18:41:14,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:41:14,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1225858389, now seen corresponding path program 1 times [2024-10-18 18:41:14,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:14,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:16,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2631 backedges. 46 proven. 2585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:41:16,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:16,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2631 backedges. 46 proven. 2585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 18:41:19,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 21 treesize of output 17 [2024-10-18 18:41:19,417 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 147 treesize of output 135 [2024-10-18 18:41:19,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:41:19,455 INFO L85 PathProgramCache]: Analyzing trace with hash -269201231, now seen corresponding path program 1 times [2024-10-18 18:41:19,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:19,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:21,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2731 backedges. 142 proven. 2585 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 18:41:21,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:21,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:24,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2731 backedges. 142 proven. 2585 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-18 18:41:24,607 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 147 treesize of output 135 [2024-10-18 18:41:24,616 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 18:41:24,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:41:24,651 INFO L85 PathProgramCache]: Analyzing trace with hash -159855586, now seen corresponding path program 1 times [2024-10-18 18:41:24,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:24,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2744 backedges. 142 proven. 2585 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 18:41:27,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:27,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:29,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2744 backedges. 142 proven. 2585 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-18 18:41:29,864 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 304 treesize of output 280 [2024-10-18 18:41:29,875 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 18:41:29,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:41:29,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1942430167, now seen corresponding path program 1 times [2024-10-18 18:41:29,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:29,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:32,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2765 backedges. 154 proven. 2585 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-18 18:41:32,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:32,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:34,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2765 backedges. 154 proven. 2585 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-18 18:41:35,351 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 304 treesize of output 280 [2024-10-18 18:41:35,362 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 18:41:35,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:41:35,395 INFO L85 PathProgramCache]: Analyzing trace with hash -401379408, now seen corresponding path program 1 times [2024-10-18 18:41:35,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:35,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:38,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2863 backedges. 238 proven. 2585 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-18 18:41:38,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:38,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:40,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2863 backedges. 238 proven. 2585 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-18 18:41:43,099 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:41:43,100 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 42 treesize of output 34 [2024-10-18 18:41:43,119 INFO L85 PathProgramCache]: Analyzing trace with hash 2086502203, now seen corresponding path program 1 times [2024-10-18 18:41:43,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:43,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:45,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2892 backedges. 238 proven. 2585 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-18 18:41:45,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:45,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:48,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2892 backedges. 238 proven. 2585 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-18 18:41:49,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:41:49,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:41:49,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-10-18 18:41:49,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:41:49,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:41:49,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 18:41:49,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 18:41:49,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:41:49,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-18 18:41:49,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,SelfDestructingSolverStorable130,SelfDestructingSolverStorable152,SelfDestructingSolverStorable131,SelfDestructingSolverStorable153,SelfDestructingSolverStorable132,SelfDestructingSolverStorable150,SelfDestructingSolverStorable126,SelfDestructingSolverStorable148,SelfDestructingSolverStorable127,SelfDestructingSolverStorable149,SelfDestructingSolverStorable128,SelfDestructingSolverStorable129,SelfDestructingSolverStorable122,SelfDestructingSolverStorable144,SelfDestructingSolverStorable123,SelfDestructingSolverStorable145,SelfDestructingSolverStorable124,SelfDestructingSolverStorable146,SelfDestructingSolverStorable125,SelfDestructingSolverStorable147,SelfDestructingSolverStorable140,SelfDestructingSolverStorable141,SelfDestructingSolverStorable142,SelfDestructingSolverStorable121,SelfDestructingSolverStorable143,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable137,SelfDestructingSolverStorable138,SelfDestructingSolverStorable139,SelfDestructingSolverStorable133,SelfDestructingSolverStorable134,SelfDestructingSolverStorable135,SelfDestructingSolverStorable136 [2024-10-18 18:41:49,292 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:41:49,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:41:49,293 INFO L85 PathProgramCache]: Analyzing trace with hash 256983438, now seen corresponding path program 1 times [2024-10-18 18:41:49,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:41:49,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285564655] [2024-10-18 18:41:49,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:49,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:41:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 5278 backedges. 1799 proven. 3066 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2024-10-18 18:41:52,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:41:52,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285564655] [2024-10-18 18:41:52,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285564655] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 18:41:52,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248981360] [2024-10-18 18:41:52,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:41:52,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 18:41:52,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:41:52,628 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) [2024-10-18 18:41:52,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-18 18:41:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:41:55,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 4289 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-10-18 18:41:55,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 18:41:55,992 INFO L134 CoverageAnalysis]: Checked inductivity of 5278 backedges. 1799 proven. 3066 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2024-10-18 18:41:55,992 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 18:41:58,923 INFO L134 CoverageAnalysis]: Checked inductivity of 5278 backedges. 1799 proven. 3066 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2024-10-18 18:41:58,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248981360] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 18:41:58,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 18:41:58,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 80 [2024-10-18 18:41:58,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703799995] [2024-10-18 18:41:58,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 18:41:58,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-10-18 18:41:58,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:41:58,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-10-18 18:41:58,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2024-10-18 18:41:58,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:41:58,929 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:41:58,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 14.419753086419753) internal successors, (1168), 80 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 18:41:58,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:41:58,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:41:58,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-10-18 18:41:58,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:41:58,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:41:58,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 18:41:58,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 18:41:58,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:41:58,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:42:18,437 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 258 treesize of output 234 [2024-10-18 18:42:18,451 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 18:42:18,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 10 treesize of output 6 [2024-10-18 18:42:18,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1948098148, now seen corresponding path program 1 times [2024-10-18 18:42:18,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:42:18,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:42:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:42:31,040 INFO L134 CoverageAnalysis]: Checked inductivity of 12927 backedges. 398 proven. 12528 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:42:31,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:42:31,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:42:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:42:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 12927 backedges. 398 proven. 12528 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 18:42:42,889 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 18:42:42,889 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 42 treesize of output 34 [2024-10-18 18:42:42,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1350748710, now seen corresponding path program 1 times [2024-10-18 18:42:42,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:42:42,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:42:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:42:52,753 INFO L134 CoverageAnalysis]: Checked inductivity of 13228 backedges. 623 proven. 12528 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-10-18 18:42:52,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:42:52,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:42:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:43:02,553 INFO L134 CoverageAnalysis]: Checked inductivity of 13228 backedges. 623 proven. 12528 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-10-18 18:43:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:43:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:43:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-10-18 18:43:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 18:43:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 18:43:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 18:43:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 18:43:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 18:43:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-10-18 18:43:02,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-18 18:43:02,815 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,SelfDestructingSolverStorable154,SelfDestructingSolverStorable155,SelfDestructingSolverStorable156,SelfDestructingSolverStorable157,SelfDestructingSolverStorable158 [2024-10-18 18:43:02,816 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 18:43:02,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:43:02,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1076371415, now seen corresponding path program 2 times [2024-10-18 18:43:02,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:43:02,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676158519] [2024-10-18 18:43:02,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:43:02,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:43:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat