./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.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_7bce0ba8-27aa-478a-a87f-f6dee2c05a55/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bce0ba8-27aa-478a-a87f-f6dee2c05a55/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_7bce0ba8-27aa-478a-a87f-f6dee2c05a55/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bce0ba8-27aa-478a-a87f-f6dee2c05a55/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bce0ba8-27aa-478a-a87f-f6dee2c05a55/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_7bce0ba8-27aa-478a-a87f-f6dee2c05a55/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 82b98e74657ce84706a43470df686c21fc227d1db1df507636ad5f146dee0144 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:18:49,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:18:49,811 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bce0ba8-27aa-478a-a87f-f6dee2c05a55/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 23:18:49,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:18:49,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:18:49,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:18:49,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:18:49,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:18:49,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:18:49,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:18:49,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:18:49,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:18:49,859 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:18:49,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:18:49,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:18:49,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:18:49,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:18:49,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:18:49,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:18:49,860 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:18:49,860 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:18:49,860 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:18:49,860 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:18:49,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:18:49,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:18:49,861 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:18:49,861 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:18:49,861 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:18:49,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:18:49,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:18:49,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:18:49,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:18:49,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:18:49,862 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:18:49,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:18:49,863 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_7bce0ba8-27aa-478a-a87f-f6dee2c05a55/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 -> 82b98e74657ce84706a43470df686c21fc227d1db1df507636ad5f146dee0144 [2024-11-13 23:18:50,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:18:50,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:18:50,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:18:50,218 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:18:50,219 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:18:50,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bce0ba8-27aa-478a-a87f-f6dee2c05a55/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c Unable to find full path for "g++" [2024-11-13 23:18:52,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:18:52,431 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:18:52,432 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bce0ba8-27aa-478a-a87f-f6dee2c05a55/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c [2024-11-13 23:18:52,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bce0ba8-27aa-478a-a87f-f6dee2c05a55/bin/ukojak-verify-EEHR8qb7sm/data/ff8ee470f/694b09bee9f64703aa37884ecb3ce514/FLAGb5b73349d [2024-11-13 23:18:52,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bce0ba8-27aa-478a-a87f-f6dee2c05a55/bin/ukojak-verify-EEHR8qb7sm/data/ff8ee470f/694b09bee9f64703aa37884ecb3ce514 [2024-11-13 23:18:52,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:18:52,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:18:52,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:18:52,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:18:52,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:18:52,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:52" (1/1) ... [2024-11-13 23:18:52,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532d622d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:52, skipping insertion in model container [2024-11-13 23:18:52,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:52" (1/1) ... [2024-11-13 23:18:52,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:18:52,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:18:52,760 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:18:52,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:18:52,815 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:18:52,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:52 WrapperNode [2024-11-13 23:18:52,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:18:52,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:18:52,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:18:52,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:18:52,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:52" (1/1) ... [2024-11-13 23:18:52,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:52" (1/1) ... [2024-11-13 23:18:52,861 INFO L138 Inliner]: procedures = 18, calls = 83, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2024-11-13 23:18:52,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:18:52,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:18:52,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:18:52,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:18:52,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:52" (1/1) ... [2024-11-13 23:18:52,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:52" (1/1) ... [2024-11-13 23:18:52,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:52" (1/1) ... [2024-11-13 23:18:52,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:52" (1/1) ... [2024-11-13 23:18:52,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:52" (1/1) ... [2024-11-13 23:18:52,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:52" (1/1) ... [2024-11-13 23:18:52,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:52" (1/1) ... [2024-11-13 23:18:52,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:52" (1/1) ... [2024-11-13 23:18:52,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:18:52,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:18:52,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:18:52,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:18:52,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:52" (1/1) ... [2024-11-13 23:18:52,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:18:52,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bce0ba8-27aa-478a-a87f-f6dee2c05a55/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:18:52,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bce0ba8-27aa-478a-a87f-f6dee2c05a55/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:18:52,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bce0ba8-27aa-478a-a87f-f6dee2c05a55/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:18:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:18:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_36_0 [2024-11-13 23:18:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_36_0 [2024-11-13 23:18:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:18:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:18:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:18:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:18:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:18:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_43_0 [2024-11-13 23:18:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_43_0 [2024-11-13 23:18:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_46_to_51_0 [2024-11-13 23:18:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_46_to_51_0 [2024-11-13 23:18:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:18:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:18:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:18:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:18:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:18:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:18:53,131 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:18:53,134 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:18:54,200 INFO L? ?]: Removed 229 outVars from TransFormulas that were not future-live. [2024-11-13 23:18:54,200 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:18:54,276 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:18:54,276 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 23:18:54,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:54 BoogieIcfgContainer [2024-11-13 23:18:54,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:18:54,277 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:18:54,277 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:18:54,290 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:18:54,290 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:54" (1/1) ... [2024-11-13 23:18:54,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:18:54,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:54,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 224 states and 236 transitions. [2024-11-13 23:18:54,381 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 236 transitions. [2024-11-13 23:18:54,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 23:18:54,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:54,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:54,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:54,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 223 states and 235 transitions. [2024-11-13 23:18:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 235 transitions. [2024-11-13 23:18:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 23:18:54,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:54,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:54,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:54,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 222 states and 234 transitions. [2024-11-13 23:18:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 234 transitions. [2024-11-13 23:18:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:18:54,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:54,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:54,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:54,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:54,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 221 states and 233 transitions. [2024-11-13 23:18:54,903 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 233 transitions. [2024-11-13 23:18:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:18:54,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:54,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:54,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:54,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:55,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 220 states and 232 transitions. [2024-11-13 23:18:55,002 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 232 transitions. [2024-11-13 23:18:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:18:55,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:55,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:55,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:55,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:55,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 219 states and 231 transitions. [2024-11-13 23:18:55,045 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 231 transitions. [2024-11-13 23:18:55,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:18:55,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:55,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:18:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:55,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:18:55,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:55,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:55,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:55,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 218 states and 230 transitions. [2024-11-13 23:18:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 230 transitions. [2024-11-13 23:18:55,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:18:55,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:55,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:55,320 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 23:18:55,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:55,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 217 states and 229 transitions. [2024-11-13 23:18:55,369 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 229 transitions. [2024-11-13 23:18:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:18:55,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:55,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:55,450 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 23:18:55,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:55,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 216 states and 228 transitions. [2024-11-13 23:18:55,507 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 228 transitions. [2024-11-13 23:18:55,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 23:18:55,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:55,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:55,606 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 23:18:55,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:55,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 215 states and 227 transitions. [2024-11-13 23:18:55,651 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 227 transitions. [2024-11-13 23:18:55,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:18:55,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:55,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:55,730 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 23:18:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:55,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 214 states and 226 transitions. [2024-11-13 23:18:55,774 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 226 transitions. [2024-11-13 23:18:55,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:18:55,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:55,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:55,828 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 23:18:55,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:55,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 213 states and 225 transitions. [2024-11-13 23:18:55,841 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 225 transitions. [2024-11-13 23:18:55,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:18:55,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:55,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:56,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:18:56,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:56,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 212 states and 224 transitions. [2024-11-13 23:18:56,837 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 224 transitions. [2024-11-13 23:18:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:18:56,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:56,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:18:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:56,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:18:56,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:56,996 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-13 23:18:56,997 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 90 treesize of output 87 [2024-11-13 23:18:57,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2024-11-13 23:18:57,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2024-11-13 23:18:57,502 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-13 23:18:57,505 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 1 case distinctions, treesize of input 27 treesize of output 29 [2024-11-13 23:18:57,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2024-11-13 23:18:57,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 23:18:57,613 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 23:18:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:59,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 211 states and 223 transitions. [2024-11-13 23:18:59,199 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 223 transitions. [2024-11-13 23:18:59,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:18:59,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:59,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:19:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:01,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 210 states and 222 transitions. [2024-11-13 23:19:01,982 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 222 transitions. [2024-11-13 23:19:01,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 23:19:01,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:01,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:02,991 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 23:19:06,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:06,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 213 states and 224 transitions. [2024-11-13 23:19:06,315 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 224 transitions. [2024-11-13 23:19:06,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:19:06,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:06,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:07,242 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 23:19:09,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:09,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 217 states and 228 transitions. [2024-11-13 23:19:09,458 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 228 transitions. [2024-11-13 23:19:09,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 23:19:09,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:09,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:19:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:09,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 23:19:09,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:09,551 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 [2024-11-13 23:19:09,559 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-13 23:19:09,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-11-13 23:19:09,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2024-11-13 23:19:10,080 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 31 treesize of output 19 [2024-11-13 23:19:10,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 [2024-11-13 23:19:10,827 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 23:19:17,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:17,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 222 states and 235 transitions. [2024-11-13 23:19:17,675 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 235 transitions. [2024-11-13 23:19:17,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:19:17,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:17,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:19,675 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 23:19:24,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:24,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 228 states and 243 transitions. [2024-11-13 23:19:24,697 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 243 transitions. [2024-11-13 23:19:24,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:19:24,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:24,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:19:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:24,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:19:24,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:24,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 23:19:24,957 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 23:19:25,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:25,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 227 states and 242 transitions. [2024-11-13 23:19:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 242 transitions. [2024-11-13 23:19:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 23:19:25,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:25,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:19:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:25,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-13 23:19:25,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:25,270 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 [2024-11-13 23:19:25,287 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-13 23:19:25,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-11-13 23:19:27,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 41 [2024-11-13 23:19:27,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2024-11-13 23:19:28,061 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 55 treesize of output 47 [2024-11-13 23:19:30,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 118 treesize of output 62 [2024-11-13 23:19:30,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:23,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.92s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:20:25,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:20:37,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:37,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 235 states and 255 transitions. [2024-11-13 23:20:37,717 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 255 transitions. [2024-11-13 23:20:37,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 23:20:37,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:37,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:20:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:37,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 23:20:37,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:37,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 838 treesize of output 822 [2024-11-13 23:20:38,087 INFO L349 Elim1Store]: treesize reduction 13, result has 53.6 percent of original size [2024-11-13 23:20:38,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 23 [2024-11-13 23:20:38,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2024-11-13 23:20:38,102 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-13 23:20:38,407 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 16 treesize of output 11 [2024-11-13 23:20:39,562 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 23:20:56,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:56,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 244 states and 271 transitions. [2024-11-13 23:20:56,139 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 271 transitions. [2024-11-13 23:20:56,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:20:56,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:56,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:20:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:56,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 23:20:56,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:56,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 178 [2024-11-13 23:20:56,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2024-11-13 23:20:56,315 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 [2024-11-13 23:20:56,320 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:20:56,321 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2024-11-13 23:20:56,352 INFO L349 Elim1Store]: treesize reduction 13, result has 53.6 percent of original size [2024-11-13 23:20:56,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 23 [2024-11-13 23:20:56,753 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 16 treesize of output 11 [2024-11-13 23:20:57,040 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 23:20:58,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:58,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 246 states and 275 transitions. [2024-11-13 23:20:58,162 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 275 transitions. [2024-11-13 23:20:58,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:20:58,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:58,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:20:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:58,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-13 23:20:58,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:58,279 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-13 23:20:58,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-11-13 23:20:58,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2024-11-13 23:21:00,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2024-11-13 23:21:08,059 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 67 treesize of output 60 [2024-11-13 23:21:09,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 73 treesize of output 37 [2024-11-13 23:21:10,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:24:01,627 WARN L286 SmtUtils]: Spent 5.93s on a formula simplification. DAG size of input: 54 DAG size of output: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:24:42,295 WARN L286 SmtUtils]: Spent 12.71s on a formula simplification. DAG size of input: 58 DAG size of output: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:25:00,447 WARN L286 SmtUtils]: Spent 7.89s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:25:13,876 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:25:26,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:25:28,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:27:32,406 WARN L286 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:27:46,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:28:10,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:10,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 257 states and 293 transitions. [2024-11-13 23:28:10,759 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 293 transitions. [2024-11-13 23:28:10,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:28:10,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:10,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:28:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:28:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:10,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 23:28:10,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:10,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 198 [2024-11-13 23:28:10,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2024-11-13 23:28:10,913 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 [2024-11-13 23:28:10,917 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:28:10,918 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2024-11-13 23:28:10,953 INFO L349 Elim1Store]: treesize reduction 13, result has 53.6 percent of original size [2024-11-13 23:28:10,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 23 [2024-11-13 23:28:21,447 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 16 treesize of output 11 [2024-11-13 23:28:22,401 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 23:28:25,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:25,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 258 states and 295 transitions. [2024-11-13 23:28:25,867 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 295 transitions. [2024-11-13 23:28:25,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:28:25,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:25,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:28:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:36,984 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 23:29:09,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:09,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 263 states and 303 transitions. [2024-11-13 23:29:09,812 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 303 transitions. [2024-11-13 23:29:09,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 23:29:09,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:09,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:29:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:24,193 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 23:29:57,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:57,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 269 states and 312 transitions. [2024-11-13 23:29:57,794 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 312 transitions. [2024-11-13 23:29:57,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 23:29:57,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:57,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:29:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:29:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:57,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 23:29:57,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:57,890 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-13 23:29:57,890 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 61 treesize of output 57 [2024-11-13 23:30:00,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2024-11-13 23:30:05,823 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 27 treesize of output 25 [2024-11-13 23:30:19,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 40 treesize of output 20 [2024-11-13 23:30:23,177 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 23:30:53,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:31:19,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:19,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 278 states and 329 transitions. [2024-11-13 23:31:19,614 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 329 transitions. [2024-11-13 23:31:19,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:31:19,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:19,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:31:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:31:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:19,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 23:31:19,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:19,736 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 [2024-11-13 23:31:19,751 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-13 23:31:19,752 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 77 treesize of output 73 [2024-11-13 23:31:36,848 INFO L349 Elim1Store]: treesize reduction 44, result has 33.3 percent of original size [2024-11-13 23:31:36,849 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 1 case distinctions, treesize of input 58 treesize of output 55 [2024-11-13 23:31:40,285 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 54 treesize of output 46 [2024-11-13 23:32:00,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 22 treesize of output 10 [2024-11-13 23:32:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:32:51,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:51,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 283 states and 336 transitions. [2024-11-13 23:32:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 336 transitions. [2024-11-13 23:32:51,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 23:32:51,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:51,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:32:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:52,789 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 23:33:09,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:09,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 288 states and 344 transitions. [2024-11-13 23:33:09,200 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 344 transitions. [2024-11-13 23:33:09,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 23:33:09,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:09,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:33:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:09,404 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 23:33:09,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:09,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 289 states and 345 transitions. [2024-11-13 23:33:09,496 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 345 transitions. [2024-11-13 23:33:09,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:33:09,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:09,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:33:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:15,594 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 23:33:33,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:33,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 292 states and 349 transitions. [2024-11-13 23:33:33,561 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 349 transitions. [2024-11-13 23:33:33,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 23:33:33,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:33,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:33:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:33:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:33,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-13 23:33:33,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:33,687 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 [2024-11-13 23:33:33,699 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-13 23:33:33,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-11-13 23:33:35,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2024-11-13 23:33:35,390 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 67 treesize of output 60 [2024-11-13 23:33:51,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 80 treesize of output 40 [2024-11-13 23:33:53,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.