./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c39da-41f8-4688-b9c1-1c497fe61159/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c39da-41f8-4688-b9c1-1c497fe61159/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c39da-41f8-4688-b9c1-1c497fe61159/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c39da-41f8-4688-b9c1-1c497fe61159/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c39da-41f8-4688-b9c1-1c497fe61159/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c39da-41f8-4688-b9c1-1c497fe61159/bin/ukojak-verify-G8NBE6pJGL --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 e5cd17eaa72b9521fda898a2a986ee0938b4ad224ba1d7e3a176f1730b240d26 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:58,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:58,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c39da-41f8-4688-b9c1-1c497fe61159/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:57:58,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:57:58,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:57:58,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:58,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:58,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:58,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:58,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:58,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:58,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:58,703 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:58,703 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:57:58,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:58,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:58,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:58,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:58,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:58,707 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:58,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:58,708 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:58,709 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:58,709 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:58,710 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:58,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:58,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:58,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:58,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:58,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:58,712 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:57:58,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:57:58,713 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:58,714 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_372c39da-41f8-4688-b9c1-1c497fe61159/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c39da-41f8-4688-b9c1-1c497fe61159/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5cd17eaa72b9521fda898a2a986ee0938b4ad224ba1d7e3a176f1730b240d26 [2023-11-19 03:57:58,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:59,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:59,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:59,009 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:59,010 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:59,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c39da-41f8-4688-b9c1-1c497fe61159/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-5.i [2023-11-19 03:58:02,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:02,437 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:02,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c39da-41f8-4688-b9c1-1c497fe61159/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-5.i [2023-11-19 03:58:02,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c39da-41f8-4688-b9c1-1c497fe61159/bin/ukojak-verify-G8NBE6pJGL/data/c31cf62e2/801219b0aed045eaba12967bcf5f0fae/FLAG3243e412a [2023-11-19 03:58:02,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c39da-41f8-4688-b9c1-1c497fe61159/bin/ukojak-verify-G8NBE6pJGL/data/c31cf62e2/801219b0aed045eaba12967bcf5f0fae [2023-11-19 03:58:02,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:02,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:02,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:02,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:02,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:02,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:02" (1/1) ... [2023-11-19 03:58:02,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2664f4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:02, skipping insertion in model container [2023-11-19 03:58:02,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:02" (1/1) ... [2023-11-19 03:58:02,508 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:02,676 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_372c39da-41f8-4688-b9c1-1c497fe61159/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-5.i[916,929] [2023-11-19 03:58:02,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:02,775 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:02,786 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_372c39da-41f8-4688-b9c1-1c497fe61159/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-5.i[916,929] [2023-11-19 03:58:02,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:02,849 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:02,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:02 WrapperNode [2023-11-19 03:58:02,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:02,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:02,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:02,851 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:02,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:02" (1/1) ... [2023-11-19 03:58:02,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:02" (1/1) ... [2023-11-19 03:58:02,938 INFO L138 Inliner]: procedures = 26, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 384 [2023-11-19 03:58:02,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:02,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:02,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:02,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:02,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:02" (1/1) ... [2023-11-19 03:58:02,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:02" (1/1) ... [2023-11-19 03:58:02,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:02" (1/1) ... [2023-11-19 03:58:02,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:02" (1/1) ... [2023-11-19 03:58:02,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:02" (1/1) ... [2023-11-19 03:58:02,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:02" (1/1) ... [2023-11-19 03:58:02,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:02" (1/1) ... [2023-11-19 03:58:02,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:02" (1/1) ... [2023-11-19 03:58:02,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:02,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:02,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:02,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:02,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:02" (1/1) ... [2023-11-19 03:58:03,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:03,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c39da-41f8-4688-b9c1-1c497fe61159/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:03,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c39da-41f8-4688-b9c1-1c497fe61159/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:03,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c39da-41f8-4688-b9c1-1c497fe61159/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:58:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:58:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:58:03,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:58:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:58:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:03,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:03,206 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:03,208 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:03,772 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:04,550 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:04,551 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:58:04,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:04 BoogieIcfgContainer [2023-11-19 03:58:04,558 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:04,560 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:04,560 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:04,571 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:04,572 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:04,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:04,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2023-11-19 03:58:04,666 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2023-11-19 03:58:04,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 03:58:04,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:04,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:05,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 194 conjunts are in the unsatisfiable core [2023-11-19 03:58:05,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:06,921 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-19 03:58:10,066 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 16 [2023-11-19 03:58:12,411 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 16 [2023-11-19 03:58:14,660 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 16 [2023-11-19 03:58:16,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-19 03:58:19,189 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 32 treesize of output 23 [2023-11-19 03:58:22,256 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 32 treesize of output 23 [2023-11-19 03:58:25,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2023-11-19 03:58:28,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 53 [2023-11-19 03:58:37,091 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 28 proven. 309 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-19 03:58:46,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:46,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 92 states and 204 transitions. [2023-11-19 03:58:46,057 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 204 transitions. [2023-11-19 03:58:46,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 03:58:46,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:46,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:46,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 182 conjunts are in the unsatisfiable core [2023-11-19 03:58:46,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:47,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2023-11-19 03:58:50,429 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 26 [2023-11-19 03:58:52,333 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 26