./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/bin/ukojak-verify-Qdu7aM0XO9 --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 b28c8175bc39dd1c459be6d9349fe3be895f115cd8cddc9719a89a6e0edbf727 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:38:22,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:38:22,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:38:22,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:38:22,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:38:22,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:38:22,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:38:22,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:38:22,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:38:22,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:38:22,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:38:22,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:38:22,450 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:38:22,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:38:22,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:38:22,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:38:22,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:38:22,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:38:22,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:38:22,454 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:38:22,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:38:22,455 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:38:22,456 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:38:22,456 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:38:22,457 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:38:22,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:38:22,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:38:22,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:38:22,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:38:22,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:38:22,459 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:38:22,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:38:22,460 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:38:22,460 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b28c8175bc39dd1c459be6d9349fe3be895f115cd8cddc9719a89a6e0edbf727 [2023-12-02 21:38:22,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:38:22,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:38:22,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:38:22,687 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:38:22,687 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:38:22,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i [2023-12-02 21:38:25,439 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:38:25,661 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:38:25,661 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i [2023-12-02 21:38:25,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/bin/ukojak-verify-Qdu7aM0XO9/data/224971795/2fb3e40b8e0f4e36b765e94ced3c00d1/FLAGbc3cbd760 [2023-12-02 21:38:25,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/bin/ukojak-verify-Qdu7aM0XO9/data/224971795/2fb3e40b8e0f4e36b765e94ced3c00d1 [2023-12-02 21:38:25,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:38:25,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:38:25,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:38:25,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:38:25,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:38:25,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:38:25" (1/1) ... [2023-12-02 21:38:25,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f765774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:25, skipping insertion in model container [2023-12-02 21:38:25,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:38:25" (1/1) ... [2023-12-02 21:38:25,724 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:38:25,861 WARN L240 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_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i[916,929] [2023-12-02 21:38:25,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:38:25,928 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:38:25,939 WARN L240 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_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i[916,929] [2023-12-02 21:38:25,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:38:25,985 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:38:25,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:25 WrapperNode [2023-12-02 21:38:25,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:38:25,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:38:25,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:38:25,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:38:25,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:25" (1/1) ... [2023-12-02 21:38:26,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:25" (1/1) ... [2023-12-02 21:38:26,052 INFO L138 Inliner]: procedures = 26, calls = 143, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 417 [2023-12-02 21:38:26,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:38:26,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:38:26,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:38:26,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:38:26,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:25" (1/1) ... [2023-12-02 21:38:26,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:25" (1/1) ... [2023-12-02 21:38:26,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:25" (1/1) ... [2023-12-02 21:38:26,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:25" (1/1) ... [2023-12-02 21:38:26,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:25" (1/1) ... [2023-12-02 21:38:26,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:25" (1/1) ... [2023-12-02 21:38:26,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:25" (1/1) ... [2023-12-02 21:38:26,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:25" (1/1) ... [2023-12-02 21:38:26,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:38:26,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:38:26,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:38:26,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:38:26,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:38:25" (1/1) ... [2023-12-02 21:38:26,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:38:26,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:38:26,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:38:26,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc7a350-daf3-4d5f-b5a0-d80aff9f9bcb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:38:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:38:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:38:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:38:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:38:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:38:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:38:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:38:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:38:26,287 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:38:26,289 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:38:26,772 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:38:27,364 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:38:27,365 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:38:27,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:38:27 BoogieIcfgContainer [2023-12-02 21:38:27,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:38:27,367 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:38:27,367 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:38:27,377 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:38:27,377 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:38:27" (1/1) ... [2023-12-02 21:38:27,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:38:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:27,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2023-12-02 21:38:27,446 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2023-12-02 21:38:27,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:38:27,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:27,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:38:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:28,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 153 conjunts are in the unsatisfiable core [2023-12-02 21:38:28,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:29,001 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 25 treesize of output 13 [2023-12-02 21:38:32,009 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 0 case distinctions, treesize of input 35 treesize of output 26 [2023-12-02 21:38:33,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2023-12-02 21:38:35,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2023-12-02 21:38:36,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 55 [2023-12-02 21:38:37,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2023-12-02 21:39:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 146 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:16,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 21:39:18,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 21:39:20,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 21:39:22,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:22,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 64 states and 152 transitions. [2023-12-02 21:39:22,050 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 152 transitions. [2023-12-02 21:39:22,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:39:22,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:22,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:22,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-02 21:39:22,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:22,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 21:39:24,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 21:39:25,948 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 25 treesize of output 13 [2023-12-02 21:39:27,268 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 0 case distinctions, treesize of input 34 treesize of output 25 [2023-12-02 21:39:28,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2023-12-02 21:39:29,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2023-12-02 21:39:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 146 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:39:49,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 21:39:49,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 75 states and 232 transitions. [2023-12-02 21:39:49,303 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 232 transitions. [2023-12-02 21:39:49,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:39:49,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:49,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:49,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 150 conjunts are in the unsatisfiable core [2023-12-02 21:39:49,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:50,240 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 25 treesize of output 13 [2023-12-02 21:39:52,951 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 0 case distinctions, treesize of input 35 treesize of output 26 [2023-12-02 21:39:54,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2023-12-02 21:39:56,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2023-12-02 21:39:58,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2023-12-02 21:39:59,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2023-12-02 21:40:50,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 106 [2023-12-02 21:40:50,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 105 [2023-12-02 21:41:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 146 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:32,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:32,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 97 states and 369 transitions. [2023-12-02 21:41:32,108 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 369 transitions. [2023-12-02 21:41:32,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:41:32,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:32,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:41:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:32,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 150 conjunts are in the unsatisfiable core [2023-12-02 21:41:32,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:33,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:33,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:33,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:33,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2023-12-02 21:41:37,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:37,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:37,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:37,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:37,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2023-12-02 21:41:40,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:40,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:40,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:40,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:40,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:40,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 58 [2023-12-02 21:41:43,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:43,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:43,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:43,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:43,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:43,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:43,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 70 [2023-12-02 21:41:46,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:46,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:46,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:46,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:46,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:46,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:46,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:46,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:46,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:46,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:46,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:46,435 INFO L349 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2023-12-02 21:41:46,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 26 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 90 [2023-12-02 21:41:48,244 INFO L349 Elim1Store]: treesize reduction 93, result has 13.9 percent of original size [2023-12-02 21:41:48,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 88 treesize of output 102 [2023-12-02 21:41:54,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:54,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:54,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:54,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:54,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:54,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:54,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:41:57,403 INFO L349 Elim1Store]: treesize reduction 147, result has 32.9 percent of original size [2023-12-02 21:41:57,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 251 treesize of output 338 [2023-12-02 21:41:57,720 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:41:57,726 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 277 [2023-12-02 21:42:11,486 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 146 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:43:03,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:43:03,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:03,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 128 states and 576 transitions. [2023-12-02 21:43:03,561 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 576 transitions. [2023-12-02 21:43:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:43:03,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:03,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:43:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:04,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 152 conjunts are in the unsatisfiable core [2023-12-02 21:43:04,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:04,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:04,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:04,880 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-12-02 21:43:09,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:09,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:09,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:09,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2023-12-02 21:43:12,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:12,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:12,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:12,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:12,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2023-12-02 21:43:16,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:16,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:16,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:16,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:16,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:16,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 58 [2023-12-02 21:43:19,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:19,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:19,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:19,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:19,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:19,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:19,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:19,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:19,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:19,876 INFO L349 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2023-12-02 21:43:19,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 78 [2023-12-02 21:43:21,594 INFO L349 Elim1Store]: treesize reduction 81, result has 15.6 percent of original size [2023-12-02 21:43:21,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 90 [2023-12-02 21:43:27,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:27,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:27,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:27,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:27,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:27,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:43:29,237 INFO L349 Elim1Store]: treesize reduction 162, result has 32.8 percent of original size [2023-12-02 21:43:29,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 259 treesize of output 328 [2023-12-02 21:43:36,275 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 146 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:44:23,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:44:24,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:24,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 142 states and 682 transitions. [2023-12-02 21:44:24,093 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 682 transitions. [2023-12-02 21:44:24,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 21:44:24,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:24,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:25,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 155 conjunts are in the unsatisfiable core [2023-12-02 21:44:25,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:36,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:36,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:36,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:36,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2023-12-02 21:44:40,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:40,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:40,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:40,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 37 [2023-12-02 21:44:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:44,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:44,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:44,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:44,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2023-12-02 21:44:48,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:48,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:48,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:48,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:48,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:48,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 61 [2023-12-02 21:44:53,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:53,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:53,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:53,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:53,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:53,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:53,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 73 [2023-12-02 21:44:55,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:55,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:55,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:55,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:55,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:55,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:44:55,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 73 [2023-12-02 21:45:11,200 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 5 proven. 523 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-02 21:47:21,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:21,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 204 states and 1061 transitions. [2023-12-02 21:47:21,760 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 1061 transitions. [2023-12-02 21:47:21,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 21:47:21,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:21,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:23,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 185 conjunts are in the unsatisfiable core [2023-12-02 21:47:23,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:27,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 21:47:30,576 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 18 treesize of output 13 [2023-12-02 21:47:31,943 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 18 treesize of output 13 [2023-12-02 21:47:36,144 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:47:36,145 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2023-12-02 21:47:36,147 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-12-02 21:47:36,177 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-12-02 21:47:36,217 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:47:36,218 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2023-12-02 21:47:36,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:36,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:36,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:36,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:36,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:36,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:36,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:36,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:36,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:36,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:36,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:36,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:36,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:36,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:36,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 21 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 51 [2023-12-02 21:47:36,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-12-02 21:47:36,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-12-02 21:47:39,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:39,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:39,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:39,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:39,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:39,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:39,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 64 [2023-12-02 21:47:46,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:46,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:46,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:46,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:46,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:46,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:46,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:46,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 75 [2023-12-02 21:47:51,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:51,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:51,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:51,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:51,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:51,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:51,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:51,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:51,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 87 [2023-12-02 21:47:57,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:57,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:57,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:57,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:57,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:57,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:57,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:57,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:47:57,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 92 [2023-12-02 21:48:03,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:03,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:03,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:03,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:03,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:03,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:03,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:03,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:03,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:03,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 99 [2023-12-02 21:48:06,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:06,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:06,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:06,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:06,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:06,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:06,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:06,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:06,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 92 [2023-12-02 21:48:50,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:50,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:50,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:50,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:50,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:50,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:50,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:51,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:51,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 128 [2023-12-02 21:48:51,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:51,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:51,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:51,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:51,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:51,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:51,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:51,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:51,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 127 [2023-12-02 21:48:58,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:58,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:58,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:58,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:58,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:58,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:58,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:58,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:58,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:58,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:58,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:58,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:58,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:58,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:48:58,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 614 treesize of output 322 [2023-12-02 21:48:58,710 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 74 proven. 528 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-02 21:50:09,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:09,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 216 states and 1116 transitions. [2023-12-02 21:50:09,243 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 1116 transitions. [2023-12-02 21:50:09,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 21:50:09,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:09,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:10,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 153 conjunts are in the unsatisfiable core [2023-12-02 21:50:10,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:19,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 21:50:24,813 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 26 treesize of output 14 [2023-12-02 21:50:29,631 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 0 case distinctions, treesize of input 35 treesize of output 26 [2023-12-02 21:50:34,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2023-12-02 21:50:40,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2023-12-02 21:50:42,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2023-12-02 21:50:50,576 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 4 proven. 469 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2023-12-02 21:52:26,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 21:52:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:28,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 235 states and 1253 transitions. [2023-12-02 21:52:28,956 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 1253 transitions. [2023-12-02 21:52:28,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 21:52:28,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:28,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:29,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 147 conjunts are in the unsatisfiable core [2023-12-02 21:52:29,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:37,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 21:52:39,690 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 26 treesize of output 14 [2023-12-02 21:52:40,770 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 0 case distinctions, treesize of input 35 treesize of output 26 [2023-12-02 21:52:41,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2023-12-02 21:52:42,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2023-12-02 21:52:43,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2023-12-02 21:52:55,083 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 3 proven. 468 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked.