./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-89.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_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/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_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/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_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/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 f2d013ffa4d7cd59307ce87b23dd696caa1ad1374742fbf879c50e37b4a890a2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:06:18,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:06:18,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:06:18,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:06:18,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:06:18,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:06:18,772 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:06:18,773 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:06:18,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:06:18,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:06:18,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:06:18,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:06:18,782 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:06:18,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:06:18,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:06:18,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:06:18,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:06:18,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:06:18,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:06:18,786 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:06:18,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:06:18,787 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:06:18,788 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:06:18,788 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:06:18,789 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:06:18,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:06:18,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:18,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:06:18,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:06:18,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:06:18,793 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:06:18,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:06:18,793 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:06:18,794 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_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2d013ffa4d7cd59307ce87b23dd696caa1ad1374742fbf879c50e37b4a890a2 [2023-11-19 03:06:19,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:06:19,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:06:19,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:06:19,147 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:06:19,147 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:06:19,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-89.i [2023-11-19 03:06:22,294 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:06:22,610 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:06:22,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-89.i [2023-11-19 03:06:22,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/bin/ukojak-verify-G8NBE6pJGL/data/d6bb24da3/b2894b46496345548541b012d1e7e8d8/FLAGa27a163a3 [2023-11-19 03:06:22,642 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/bin/ukojak-verify-G8NBE6pJGL/data/d6bb24da3/b2894b46496345548541b012d1e7e8d8 [2023-11-19 03:06:22,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:06:22,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:06:22,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:22,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:06:22,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:06:22,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:22" (1/1) ... [2023-11-19 03:06:22,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2ba770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:22, skipping insertion in model container [2023-11-19 03:06:22,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:22" (1/1) ... [2023-11-19 03:06:22,716 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:06:22,915 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_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-89.i[917,930] [2023-11-19 03:06:22,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:22,988 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:06:23,001 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_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-89.i[917,930] [2023-11-19 03:06:23,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:23,080 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:06:23,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:23 WrapperNode [2023-11-19 03:06:23,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:23,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:23,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:06:23,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:06:23,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:23" (1/1) ... [2023-11-19 03:06:23,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:23" (1/1) ... [2023-11-19 03:06:23,147 INFO L138 Inliner]: procedures = 26, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 403 [2023-11-19 03:06:23,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:23,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:06:23,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:06:23,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:06:23,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:23" (1/1) ... [2023-11-19 03:06:23,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:23" (1/1) ... [2023-11-19 03:06:23,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:23" (1/1) ... [2023-11-19 03:06:23,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:23" (1/1) ... [2023-11-19 03:06:23,184 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:23" (1/1) ... [2023-11-19 03:06:23,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:23" (1/1) ... [2023-11-19 03:06:23,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:23" (1/1) ... [2023-11-19 03:06:23,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:23" (1/1) ... [2023-11-19 03:06:23,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:06:23,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:06:23,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:06:23,228 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:06:23,229 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:23" (1/1) ... [2023-11-19 03:06:23,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:23,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:06:23,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:06:23,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec11c2b-a51a-4f3c-a8b9-cc2d6c3f8e57/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:06:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:06:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:06:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:06:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:06:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:06:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:06:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:06:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:06:23,484 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:06:23,487 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:06:24,049 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:06:24,954 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:06:24,955 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:06:24,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:24 BoogieIcfgContainer [2023-11-19 03:06:24,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:06:24,962 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:06:24,962 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:06:24,972 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:06:24,972 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:24" (1/1) ... [2023-11-19 03:06:24,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:06:25,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:25,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2023-11-19 03:06:25,052 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2023-11-19 03:06:25,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:06:25,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:25,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:25,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 146 conjunts are in the unsatisfiable core [2023-11-19 03:06:25,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:26,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 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 [2023-11-19 03:06:29,202 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 48 treesize of output 45 [2023-11-19 03:06:31,188 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 48 treesize of output 45 [2023-11-19 03:06:33,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 57 [2023-11-19 03:06:34,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 57 [2023-11-19 03:06:36,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 57 [2023-11-19 03:06:45,202 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 207 [2023-11-19 03:06:45,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 220 [2023-11-19 03:06:45,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:06:45,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:06:45,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:06:46,146 INFO L349 Elim1Store]: treesize reduction 55, result has 16.7 percent of original size [2023-11-19 03:06:46,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 181 treesize of output 257 [2023-11-19 03:06:46,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:06:47,280 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-11-19 03:06:47,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 25 treesize of output 38 [2023-11-19 03:06:50,728 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 127 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 03:06:54,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:54,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 64 states and 144 transitions. [2023-11-19 03:06:54,776 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 144 transitions. [2023-11-19 03:06:54,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:06:54,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:54,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:55,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 160 conjunts are in the unsatisfiable core [2023-11-19 03:06:55,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:55,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 48 [2023-11-19 03:06:58,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 57 [2023-11-19 03:07:00,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 69 [2023-11-19 03:07:03,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 81 [2023-11-19 03:07:05,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 81 [2023-11-19 03:07:06,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 81