./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/bin/ukojak-verify-ENZ3QT5qd3 --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4fa401c700a21fa1f98a1481c8e8ba1555a45c0429555dc041a1c04ce1059991 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:34:46,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:34:47,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:34:47,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:34:47,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:34:47,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:34:47,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:34:47,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:34:47,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:34:47,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:34:47,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:34:47,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:34:47,109 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:34:47,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:34:47,109 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:34:47,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:34:47,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:34:47,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:34:47,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:34:47,112 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:34:47,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:34:47,112 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:34:47,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:34:47,113 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:34:47,113 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:34:47,113 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:34:47,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:34:47,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:34:47,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:34:47,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:34:47,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:34:47,115 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:34:47,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:34:47,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/bin/ukojak-verify-ENZ3QT5qd3 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 -> Kojak 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 -> 4fa401c700a21fa1f98a1481c8e8ba1555a45c0429555dc041a1c04ce1059991 [2024-11-25 04:34:47,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:34:47,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:34:47,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:34:47,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:34:47,543 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:34:47,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c [2024-11-25 04:34:50,802 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/bin/ukojak-verify-ENZ3QT5qd3/data/f522b9858/ba09f3cc376d4c158e8c8a7d9318270a/FLAGe39ccfd8b [2024-11-25 04:34:51,098 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:34:51,101 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c [2024-11-25 04:34:51,133 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/bin/ukojak-verify-ENZ3QT5qd3/data/f522b9858/ba09f3cc376d4c158e8c8a7d9318270a/FLAGe39ccfd8b [2024-11-25 04:34:51,173 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/bin/ukojak-verify-ENZ3QT5qd3/data/f522b9858/ba09f3cc376d4c158e8c8a7d9318270a [2024-11-25 04:34:51,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:34:51,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:34:51,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:34:51,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:34:51,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:34:51,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:34:51" (1/1) ... [2024-11-25 04:34:51,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3989bafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:51, skipping insertion in model container [2024-11-25 04:34:51,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:34:51" (1/1) ... [2024-11-25 04:34:51,213 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:34:51,419 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c[421,434] [2024-11-25 04:34:51,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:34:51,465 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:34:51,477 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c[421,434] [2024-11-25 04:34:51,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:34:51,502 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:34:51,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:51 WrapperNode [2024-11-25 04:34:51,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:34:51,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:34:51,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:34:51,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:34:51,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:51" (1/1) ... [2024-11-25 04:34:51,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:51" (1/1) ... [2024-11-25 04:34:51,547 INFO L138 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2024-11-25 04:34:51,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:34:51,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:34:51,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:34:51,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:34:51,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:51" (1/1) ... [2024-11-25 04:34:51,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:51" (1/1) ... [2024-11-25 04:34:51,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:51" (1/1) ... [2024-11-25 04:34:51,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:51" (1/1) ... [2024-11-25 04:34:51,573 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:51" (1/1) ... [2024-11-25 04:34:51,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:51" (1/1) ... [2024-11-25 04:34:51,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:51" (1/1) ... [2024-11-25 04:34:51,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:51" (1/1) ... [2024-11-25 04:34:51,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:51" (1/1) ... [2024-11-25 04:34:51,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:34:51,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:34:51,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:34:51,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:34:51,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:34:51" (1/1) ... [2024-11-25 04:34:51,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:34:51,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:34:51,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:34:51,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b3d6873-16da-498c-abab-c78aed96fa43/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:34:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:34:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:34:51,653 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:34:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:34:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:34:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:34:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:34:51,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:34:51,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 04:34:51,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:34:51,739 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:34:51,741 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:34:51,910 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-25 04:34:51,910 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:34:51,992 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:34:51,993 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 04:34:51,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:34:51 BoogieIcfgContainer [2024-11-25 04:34:51,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:34:51,994 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:34:51,994 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:34:52,007 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:34:52,007 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:34:51" (1/1) ... [2024-11-25 04:34:52,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:34:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-25 04:34:52,083 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-25 04:34:52,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:34:52,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:52,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:34:52,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:52,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 24 transitions. [2024-11-25 04:34:52,620 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-11-25 04:34:52,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 04:34:52,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:52,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:52,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:34:53,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:53,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 20 states and 38 transitions. [2024-11-25 04:34:53,270 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2024-11-25 04:34:53,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:34:53,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:53,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:34:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:53,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:34:53,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:53,486 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 [2024-11-25 04:34:53,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:34:54,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:54,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 26 states and 59 transitions. [2024-11-25 04:34:54,658 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 59 transitions. [2024-11-25 04:34:54,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 04:34:54,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:54,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:34:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:54,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 04:34:54,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:54,895 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 [2024-11-25 04:34:54,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:34:54,987 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 23 treesize of output 22 [2024-11-25 04:34:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:34:56,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:56,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 29 states and 71 transitions. [2024-11-25 04:34:56,428 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 71 transitions. [2024-11-25 04:34:56,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:34:56,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:56,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:56,515 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:34:56,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:56,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 30 states and 73 transitions. [2024-11-25 04:34:56,701 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 73 transitions. [2024-11-25 04:34:56,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:34:56,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:56,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:57,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:34:59,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:34:59,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 37 states and 90 transitions. [2024-11-25 04:34:59,018 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 90 transitions. [2024-11-25 04:34:59,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:34:59,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:34:59,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:34:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:34:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:59,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:34:59,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:59,302 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 [2024-11-25 04:34:59,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:34:59,591 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 28 treesize of output 27 [2024-11-25 04:35:00,184 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:35:02,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:02,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 42 states and 110 transitions. [2024-11-25 04:35:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 110 transitions. [2024-11-25 04:35:02,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:35:02,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:02,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:35:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:02,463 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:35:03,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 44 states and 116 transitions. [2024-11-25 04:35:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 116 transitions. [2024-11-25 04:35:03,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:35:03,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:03,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:35:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:03,607 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:35:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:04,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 46 states and 119 transitions. [2024-11-25 04:35:04,608 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 119 transitions. [2024-11-25 04:35:04,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:35:04,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:04,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:35:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:35:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:04,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:35:04,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:35:04,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-25 04:35:05,316 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:35:08,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:08,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 52 states and 133 transitions. [2024-11-25 04:35:08,476 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 133 transitions. [2024-11-25 04:35:08,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 04:35:08,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:08,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:35:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:08,534 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:35:09,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:09,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 54 states and 139 transitions. [2024-11-25 04:35:09,139 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 139 transitions. [2024-11-25 04:35:09,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 04:35:09,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:09,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:35:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:35:12,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:12,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 61 states and 156 transitions. [2024-11-25 04:35:12,433 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 156 transitions. [2024-11-25 04:35:12,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 04:35:12,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:12,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:35:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:35:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:12,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 04:35:12,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:35:12,536 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 [2024-11-25 04:35:12,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:35:12,722 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 23 treesize of output 22 [2024-11-25 04:35:13,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:35:13,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:35:13,476 INFO L349 Elim1Store]: treesize reduction 22, result has 43.6 percent of original size [2024-11-25 04:35:13,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 49 [2024-11-25 04:36:04,053 WARN L286 SmtUtils]: Spent 40.13s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:36:04,267 INFO L349 Elim1Store]: treesize reduction 141, result has 39.0 percent of original size [2024-11-25 04:36:04,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 107 treesize of output 158 [2024-11-25 04:36:39,113 WARN L286 SmtUtils]: Spent 33.23s on a formula simplification. DAG size of input: 83 DAG size of output: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:36:40,121 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:36:44,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 04:38:14,789 WARN L286 SmtUtils]: Spent 1.34m on a formula simplification. DAG size of input: 66 DAG size of output: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:39:02,959 WARN L286 SmtUtils]: Spent 37.78s on a formula simplification. DAG size of input: 57 DAG size of output: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:39:28,943 WARN L286 SmtUtils]: Spent 25.83s on a formula simplification. DAG size of input: 62 DAG size of output: 60 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:40:04,434 WARN L286 SmtUtils]: Spent 25.08s on a formula simplification. DAG size of input: 59 DAG size of output: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:40:24,895 WARN L286 SmtUtils]: Spent 20.11s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:40:26,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:26,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 65 states and 167 transitions. [2024-11-25 04:40:26,551 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 167 transitions. [2024-11-25 04:40:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 04:40:26,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:26,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:26,670 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:40:27,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:27,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 66 states and 172 transitions. [2024-11-25 04:40:27,624 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 172 transitions. [2024-11-25 04:40:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 04:40:27,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:27,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:40:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:40:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:27,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 04:40:27,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:27,743 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 [2024-11-25 04:40:27,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:40:27,795 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 28 treesize of output 27 [2024-11-25 04:40:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:40:34,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:40:34,447 INFO L349 Elim1Store]: treesize reduction 30, result has 45.5 percent of original size [2024-11-25 04:40:34,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 58 [2024-11-25 04:41:58,678 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:43:44,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:43:44,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 67 states and 175 transitions. [2024-11-25 04:43:44,413 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 175 transitions. [2024-11-25 04:43:44,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 04:43:44,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:43:44,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:43:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:43:44,537 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-25 04:43:46,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:43:46,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 69 states and 181 transitions. [2024-11-25 04:43:46,243 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 181 transitions. [2024-11-25 04:43:46,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 04:43:46,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:43:46,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:43:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:43:47,633 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:43:57,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:43:57,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 78 states and 201 transitions. [2024-11-25 04:43:57,608 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 201 transitions. [2024-11-25 04:43:57,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:43:57,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:43:57,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:43:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:43:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:43:57,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:43:57,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:43:58,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-25 04:44:00,451 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:44:47,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:44:47,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 88 states and 228 transitions. [2024-11-25 04:44:47,340 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 228 transitions. [2024-11-25 04:44:47,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:44:47,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:44:47,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:44:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:44:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:44:47,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 04:44:47,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:44:47,882 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 13 treesize of output 9 [2024-11-25 04:44:49,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:49,003 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 30 treesize of output 29 [2024-11-25 04:44:49,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:49,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:49,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:49,534 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:44:49,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 48 [2024-11-25 04:44:52,514 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:45:15,914 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification. DAG size of input: 71 DAG size of output: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:47:42,782 WARN L286 SmtUtils]: Spent 1.44m on a formula simplification. DAG size of input: 73 DAG size of output: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:49:47,172 WARN L286 SmtUtils]: Spent 42.78s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:49:51,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.87s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0]