./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_mannadiv.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76db14d-9aa8-4eb6-8d91-2d2c531fc0b0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76db14d-9aa8-4eb6-8d91-2d2c531fc0b0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76db14d-9aa8-4eb6-8d91-2d2c531fc0b0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76db14d-9aa8-4eb6-8d91-2d2c531fc0b0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_mannadiv.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76db14d-9aa8-4eb6-8d91-2d2c531fc0b0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76db14d-9aa8-4eb6-8d91-2d2c531fc0b0/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 305ef194ca8c72f4da0a6deb18ed40b72305718d65c18a21aa3fcb3830c499e5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:14:35,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:14:35,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76db14d-9aa8-4eb6-8d91-2d2c531fc0b0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 23:14:35,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:14:35,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:14:35,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:14:35,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:14:35,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:14:35,561 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:14:35,561 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:14:35,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:14:35,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:14:35,563 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:14:35,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:14:35,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:14:35,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:14:35,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:14:35,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:14:35,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:14:35,566 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:14:35,566 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:14:35,566 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:14:35,566 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:14:35,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:14:35,566 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:14:35,566 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:14:35,567 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:14:35,567 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:14:35,567 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:14:35,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:14:35,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:14:35,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:14:35,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:14:35,568 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:14:35,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:14:35,568 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76db14d-9aa8-4eb6-8d91-2d2c531fc0b0/bin/ukojak-verify-EEHR8qb7sm 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 ! overflow) ) 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 -> 305ef194ca8c72f4da0a6deb18ed40b72305718d65c18a21aa3fcb3830c499e5 [2024-11-13 23:14:35,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:14:35,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:14:36,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:14:36,003 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:14:36,004 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:14:36,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76db14d-9aa8-4eb6-8d91-2d2c531fc0b0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_nla-digbench/recursified_mannadiv.c Unable to find full path for "g++" [2024-11-13 23:14:38,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:14:38,472 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:14:38,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76db14d-9aa8-4eb6-8d91-2d2c531fc0b0/sv-benchmarks/c/recursified_nla-digbench/recursified_mannadiv.c [2024-11-13 23:14:38,511 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76db14d-9aa8-4eb6-8d91-2d2c531fc0b0/bin/ukojak-verify-EEHR8qb7sm/data/1de7002ca/eaef4f3c79aa449689e1a0f83403f87f/FLAGf1dd65631 [2024-11-13 23:14:38,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76db14d-9aa8-4eb6-8d91-2d2c531fc0b0/bin/ukojak-verify-EEHR8qb7sm/data/1de7002ca/eaef4f3c79aa449689e1a0f83403f87f [2024-11-13 23:14:38,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:14:38,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:14:38,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:14:38,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:14:38,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:14:38,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:38" (1/1) ... [2024-11-13 23:14:38,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d675664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:38, skipping insertion in model container [2024-11-13 23:14:38,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:38" (1/1) ... [2024-11-13 23:14:38,600 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:14:38,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:14:38,855 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:14:38,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:14:38,911 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:14:38,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:38 WrapperNode [2024-11-13 23:14:38,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:14:38,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:14:38,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:14:38,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:14:38,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:38" (1/1) ... [2024-11-13 23:14:38,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:38" (1/1) ... [2024-11-13 23:14:38,965 INFO L138 Inliner]: procedures = 16, calls = 58, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-11-13 23:14:38,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:14:38,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:14:38,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:14:38,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:14:38,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:38" (1/1) ... [2024-11-13 23:14:38,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:38" (1/1) ... [2024-11-13 23:14:38,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:38" (1/1) ... [2024-11-13 23:14:38,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:38" (1/1) ... [2024-11-13 23:14:38,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:38" (1/1) ... [2024-11-13 23:14:38,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:38" (1/1) ... [2024-11-13 23:14:38,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:38" (1/1) ... [2024-11-13 23:14:38,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:38" (1/1) ... [2024-11-13 23:14:38,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:14:38,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:14:38,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:14:38,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:14:38,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:38" (1/1) ... [2024-11-13 23:14:39,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:14:39,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76db14d-9aa8-4eb6-8d91-2d2c531fc0b0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:14:39,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76db14d-9aa8-4eb6-8d91-2d2c531fc0b0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:14:39,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76db14d-9aa8-4eb6-8d91-2d2c531fc0b0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:14:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:14:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:14:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:14:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:14:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:14:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:14:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_31_to_42_0 [2024-11-13 23:14:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_31_to_42_0 [2024-11-13 23:14:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:14:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:14:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:14:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:14:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:14:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:14:39,170 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:14:39,173 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:14:39,615 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-11-13 23:14:39,615 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:14:39,701 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:14:39,703 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:14:39,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:39 BoogieIcfgContainer [2024-11-13 23:14:39,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:14:39,705 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:14:39,706 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:14:39,718 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:14:39,718 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:39" (1/1) ... [2024-11-13 23:14:39,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:14:39,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 63 states and 68 transitions. [2024-11-13 23:14:39,806 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2024-11-13 23:14:39,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:14:39,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:39,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:14:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:40,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 23:14:40,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:40,327 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-13 23:14:40,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2157 treesize of output 2091 [2024-11-13 23:14:40,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2024-11-13 23:14:40,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2024-11-13 23:14:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:14:41,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:41,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 71 transitions. [2024-11-13 23:14:41,098 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2024-11-13 23:14:41,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:14:41,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:41,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:14:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:41,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 23:14:41,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:41,409 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-13 23:14:41,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 857 treesize of output 825 [2024-11-13 23:14:41,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2024-11-13 23:14:41,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2024-11-13 23:14:41,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:14:41,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:41,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 67 states and 72 transitions. [2024-11-13 23:14:41,752 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2024-11-13 23:14:41,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:14:41,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:41,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:42,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:14:43,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:43,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 72 states and 79 transitions. [2024-11-13 23:14:43,699 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2024-11-13 23:14:43,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:14:43,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:43,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:44,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:14:45,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:45,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 73 states and 80 transitions. [2024-11-13 23:14:45,627 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2024-11-13 23:14:45,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:14:45,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:45,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat