./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b --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 02d2a7ecaeb1f9a3fd2c207ee063800bfd7475435ba7bc7e95648b1704092bfe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:55:33,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:55:33,736 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 23:55:33,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:55:33,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:55:33,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:55:33,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:55:33,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:55:33,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:55:33,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:55:33,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:55:33,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:55:33,760 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:55:33,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:55:33,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:55:33,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:55:33,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:55:33,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:55:33,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:55:33,760 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:55:33,760 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:55:33,760 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:55:33,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:55:33,760 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:55:33,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:55:33,761 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:55:33,761 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:55:33,761 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:55:33,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:55:33,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:55:33,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:55:33,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:55:33,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:55:33,761 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:55:33,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:55:33,761 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_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b 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 -> 02d2a7ecaeb1f9a3fd2c207ee063800bfd7475435ba7bc7e95648b1704092bfe [2024-12-05 23:55:33,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:55:33,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:55:33,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:55:33,997 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:55:33,998 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:55:33,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c [2024-12-05 23:55:36,629 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/data/48ef191f3/7e7a19cc4d76492d9ce1e05ee941850f/FLAG74f390685 [2024-12-05 23:55:36,810 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:55:36,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c [2024-12-05 23:55:36,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/data/48ef191f3/7e7a19cc4d76492d9ce1e05ee941850f/FLAG74f390685 [2024-12-05 23:55:36,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/data/48ef191f3/7e7a19cc4d76492d9ce1e05ee941850f [2024-12-05 23:55:36,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:55:36,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:55:36,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:55:36,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:55:36,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:55:36,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:55:36" (1/1) ... [2024-12-05 23:55:36,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418fbd5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:36, skipping insertion in model container [2024-12-05 23:55:36,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:55:36" (1/1) ... [2024-12-05 23:55:36,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:55:37,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:55:37,016 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:55:37,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:55:37,052 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:55:37,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:37 WrapperNode [2024-12-05 23:55:37,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:55:37,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:55:37,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:55:37,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:55:37,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:37" (1/1) ... [2024-12-05 23:55:37,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:37" (1/1) ... [2024-12-05 23:55:37,085 INFO L138 Inliner]: procedures = 16, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 127 [2024-12-05 23:55:37,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:55:37,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:55:37,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:55:37,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:55:37,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:37" (1/1) ... [2024-12-05 23:55:37,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:37" (1/1) ... [2024-12-05 23:55:37,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:37" (1/1) ... [2024-12-05 23:55:37,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:37" (1/1) ... [2024-12-05 23:55:37,100 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:37" (1/1) ... [2024-12-05 23:55:37,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:37" (1/1) ... [2024-12-05 23:55:37,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:37" (1/1) ... [2024-12-05 23:55:37,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:37" (1/1) ... [2024-12-05 23:55:37,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:37" (1/1) ... [2024-12-05 23:55:37,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:55:37,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:55:37,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:55:37,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:55:37,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:37" (1/1) ... [2024-12-05 23:55:37,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:55:37,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:55:37,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:55:37,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:55:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:55:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:55:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 23:55:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:55:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:55:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:55:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 23:55:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:55:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:55:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_35_0 [2024-12-05 23:55:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_35_0 [2024-12-05 23:55:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:55:37,218 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:55:37,220 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:55:37,856 INFO L? ?]: Removed 370 outVars from TransFormulas that were not future-live. [2024-12-05 23:55:37,856 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:55:37,912 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:55:37,913 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:55:37,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:55:37 BoogieIcfgContainer [2024-12-05 23:55:37,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:55:37,914 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:55:37,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:55:37,924 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:55:37,924 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:55:37" (1/1) ... [2024-12-05 23:55:37,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:55:37,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:55:37,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 186 states and 190 transitions. [2024-12-05 23:55:37,982 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 190 transitions. [2024-12-05 23:55:37,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:55:37,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:55:37,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:55:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:55:38,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:55:38,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:55:38,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 189 states and 193 transitions. [2024-12-05 23:55:38,697 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 193 transitions. [2024-12-05 23:55:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:55:38,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:55:38,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:55:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:55:39,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:55:39,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:55:39,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 193 states and 198 transitions. [2024-12-05 23:55:39,453 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 198 transitions. [2024-12-05 23:55:39,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:55:39,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:55:39,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:55:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:55:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:55:39,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 23:55:39,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:55:39,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:39,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2024-12-05 23:55:39,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:39,629 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 41 treesize of output 17 [2024-12-05 23:55:39,633 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 8 treesize of output 7 [2024-12-05 23:55:39,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:39,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 10 treesize of output 8 [2024-12-05 23:55:39,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:39,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:39,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2024-12-05 23:55:39,682 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 23:55:39,682 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 23:55:39,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:39,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2024-12-05 23:55:39,713 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:55:39,715 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2024-12-05 23:55:39,725 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-05 23:55:39,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:39,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2024-12-05 23:55:39,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:39,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 17 [2024-12-05 23:55:39,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:39,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2024-12-05 23:55:39,771 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2024-12-05 23:55:39,771 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2024-12-05 23:55:39,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:39,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 15 [2024-12-05 23:55:39,793 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 [2024-12-05 23:55:39,807 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2024-12-05 23:55:39,808 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 16 [2024-12-05 23:55:39,811 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 23:55:39,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:39,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2024-12-05 23:55:39,829 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:55:39,830 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2024-12-05 23:55:39,836 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-05 23:55:39,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:39,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:39,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2024-12-05 23:55:39,858 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 23:55:39,859 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 23:55:39,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:55:40,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:55:40,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 194 states and 200 transitions. [2024-12-05 23:55:40,105 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 200 transitions. [2024-12-05 23:55:40,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:55:40,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:55:40,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:55:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:55:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:55:40,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 23:55:40,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:55:40,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:40,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:40,239 INFO L349 Elim1Store]: treesize reduction 92, result has 25.2 percent of original size [2024-12-05 23:55:40,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 114 [2024-12-05 23:55:40,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:40,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 80 treesize of output 74 [2024-12-05 23:55:40,270 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 8 treesize of output 7 [2024-12-05 23:55:40,347 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 8 treesize of output 7 [2024-12-05 23:55:40,362 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 8 treesize of output 7 [2024-12-05 23:55:40,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:40,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2024-12-05 23:55:40,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2024-12-05 23:55:40,449 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 5 treesize of output 3 [2024-12-05 23:55:40,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:40,485 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-12-05 23:55:40,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 65 [2024-12-05 23:55:40,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:40,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2024-12-05 23:55:40,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:55:40,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:55:40,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 196 states and 202 transitions. [2024-12-05 23:55:40,651 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 202 transitions. [2024-12-05 23:55:40,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:55:40,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:55:40,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:55:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:55:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:55:40,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-05 23:55:40,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:55:40,748 INFO L349 Elim1Store]: treesize reduction 32, result has 49.2 percent of original size [2024-12-05 23:55:40,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 72 [2024-12-05 23:55:40,754 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:55:40,756 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2024-12-05 23:55:40,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:40,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:40,794 INFO L349 Elim1Store]: treesize reduction 49, result has 26.9 percent of original size [2024-12-05 23:55:40,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 98 treesize of output 131 [2024-12-05 23:55:40,812 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 26 treesize of output 24 [2024-12-05 23:55:40,873 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:55:40,874 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2024-12-05 23:55:40,898 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-12-05 23:55:40,899 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 1 case distinctions, treesize of input 11 treesize of output 15 [2024-12-05 23:55:40,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-05 23:55:40,936 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 23:55:40,937 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 11 treesize of output 7 [2024-12-05 23:55:40,966 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-12-05 23:55:40,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 62 [2024-12-05 23:55:41,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:41,082 INFO L349 Elim1Store]: treesize reduction 55, result has 40.9 percent of original size [2024-12-05 23:55:41,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 93 [2024-12-05 23:55:41,088 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:55:41,089 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2024-12-05 23:55:41,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:41,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:41,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:55:41,171 INFO L349 Elim1Store]: treesize reduction 177, result has 16.1 percent of original size [2024-12-05 23:55:41,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 316 treesize of output 337 [2024-12-05 23:55:41,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2024-12-05 23:55:41,311 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:55:41,312 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2024-12-05 23:55:41,356 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:55:41,356 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2024-12-05 23:55:41,382 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 8 treesize of output 7 [2024-12-05 23:55:41,401 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-05 23:55:41,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 14 treesize of output 11 [2024-12-05 23:55:41,496 INFO L349 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2024-12-05 23:55:41,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 120 treesize of output 126 [2024-12-05 23:55:41,650 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 72 treesize of output 53 [2024-12-05 23:55:41,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2024-12-05 23:55:41,742 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:55:41,743 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2024-12-05 23:55:42,461 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:55:42,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 203 treesize of output 231 [2024-12-05 23:55:42,471 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 61 treesize of output 59 [2024-12-05 23:55:42,478 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 59 treesize of output 57 [2024-12-05 23:55:42,554 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 11 treesize of output 7 [2024-12-05 23:55:42,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:55:54,812 WARN L286 SmtUtils]: Spent 10.17s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:56:04,967 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:56:15,358 WARN L286 SmtUtils]: Spent 10.17s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:56:33,774 WARN L286 SmtUtils]: Spent 18.06s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:56:34,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:56:34,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 201 states and 213 transitions. [2024-12-05 23:56:34,385 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 213 transitions. [2024-12-05 23:56:34,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:56:34,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:56:34,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:56:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:56:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:34,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-05 23:56:34,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:56:34,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:56:34,482 INFO L349 Elim1Store]: treesize reduction 40, result has 35.5 percent of original size [2024-12-05 23:56:34,482 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 45 [2024-12-05 23:56:34,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:56:34,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:56:34,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:56:34,509 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-12-05 23:56:34,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2024-12-05 23:56:34,529 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 23:56:34,529 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 122 treesize of output 112 [2024-12-05 23:56:34,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:56:46,477 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:56:47,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:56:47,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 207 states and 223 transitions. [2024-12-05 23:56:47,951 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 223 transitions. [2024-12-05 23:56:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:56:47,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:56:47,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:56:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:56:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:48,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 23:56:48,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:56:48,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:56:48,181 INFO L349 Elim1Store]: treesize reduction 97, result has 30.2 percent of original size [2024-12-05 23:56:48,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 106 treesize of output 178 [2024-12-05 23:56:48,184 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-12-05 23:56:48,196 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:56:48,197 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2024-12-05 23:56:48,220 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 39 treesize of output 37 [2024-12-05 23:56:48,245 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 8 treesize of output 1 [2024-12-05 23:56:48,273 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 8 treesize of output 7 [2024-12-05 23:56:48,297 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 8 treesize of output 7 [2024-12-05 23:56:48,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 17 treesize of output 23 [2024-12-05 23:56:48,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:56:48,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 65 [2024-12-05 23:56:48,653 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:56:48,653 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2024-12-05 23:56:48,660 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:56:48,661 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2024-12-05 23:56:48,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:56:48,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 15 [2024-12-05 23:56:48,688 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:56:48,689 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2024-12-05 23:56:48,716 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:56:48,717 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2024-12-05 23:56:48,760 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:56:48,760 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2024-12-05 23:56:48,780 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 39 treesize of output 37 [2024-12-05 23:56:48,800 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 8 treesize of output 1 [2024-12-05 23:56:48,821 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 8 treesize of output 7 [2024-12-05 23:56:48,842 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 8 treesize of output 7 [2024-12-05 23:56:49,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 17 treesize of output 23 [2024-12-05 23:56:49,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:56:49,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 55 [2024-12-05 23:56:49,131 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:56:49,132 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2024-12-05 23:56:49,138 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 8 treesize of output 7 [2024-12-05 23:56:49,145 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:56:49,146 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2024-12-05 23:56:49,169 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:56:49,170 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2024-12-05 23:56:49,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:56:49,387 INFO L349 Elim1Store]: treesize reduction 237, result has 23.3 percent of original size [2024-12-05 23:56:49,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 174 treesize of output 247 [2024-12-05 23:56:49,395 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:56:49,395 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 296 [2024-12-05 23:56:49,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2024-12-05 23:56:49,464 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 8 treesize of output 1 [2024-12-05 23:56:49,489 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 8 treesize of output 7 [2024-12-05 23:56:49,516 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 8 treesize of output 7 [2024-12-05 23:56:49,588 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 8 treesize of output 7 [2024-12-05 23:56:50,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 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 21 treesize of output 28 [2024-12-05 23:56:50,050 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-12-05 23:56:50,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 3 [2024-12-05 23:56:51,140 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:56:51,142 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2024-12-05 23:56:51,355 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2024-12-05 23:56:51,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 668 treesize of output 646 [2024-12-05 23:56:51,736 INFO L349 Elim1Store]: treesize reduction 56, result has 12.5 percent of original size [2024-12-05 23:56:51,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 121 treesize of output 98 [2024-12-05 23:56:51,857 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 23:56:51,862 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2024-12-05 23:56:51,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 82 [2024-12-05 23:56:51,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 337 treesize of output 311 [2024-12-05 23:56:51,916 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 23:56:51,922 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2024-12-05 23:56:51,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 82 [2024-12-05 23:56:51,955 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 23:56:51,960 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2024-12-05 23:56:51,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 82 [2024-12-05 23:56:52,027 INFO L349 Elim1Store]: treesize reduction 56, result has 12.5 percent of original size [2024-12-05 23:56:52,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 121 treesize of output 98 [2024-12-05 23:56:52,163 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-05 23:56:52,167 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2024-12-05 23:56:52,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 82 [2024-12-05 23:56:52,304 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 93 [2024-12-05 23:56:52,317 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:56:52,322 INFO L158 Benchmark]: Toolchain (without parser) took 75486.14ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 93.0MB in the beginning and 155.2MB in the end (delta: -62.2MB). Peak memory consumption was 128.0MB. Max. memory is 16.1GB. [2024-12-05 23:56:52,322 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:56:52,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.39ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 81.1MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:56:52,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.04ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:56:52,323 INFO L158 Benchmark]: Boogie Preprocessor took 20.27ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:56:52,323 INFO L158 Benchmark]: RCFGBuilder took 806.24ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 90.4MB in the end (delta: -12.1MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-12-05 23:56:52,323 INFO L158 Benchmark]: CodeCheck took 74407.19ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 90.4MB in the beginning and 155.2MB in the end (delta: -64.9MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2024-12-05 23:56:52,325 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.39ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 81.1MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.04ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.27ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 806.24ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 90.4MB in the end (delta: -12.1MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * CodeCheck took 74407.19ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 90.4MB in the beginning and 155.2MB in the end (delta: -64.9MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:56:52,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b --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 02d2a7ecaeb1f9a3fd2c207ee063800bfd7475435ba7bc7e95648b1704092bfe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:56:54,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:56:54,259 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-05 23:56:54,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:56:54,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:56:54,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:56:54,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:56:54,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:56:54,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:56:54,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:56:54,284 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:56:54,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:56:54,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:56:54,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:56:54,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:56:54,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:56:54,285 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:56:54,285 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:56:54,285 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:56:54,285 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:56:54,285 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:56:54,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:56:54,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:56:54,285 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:56:54,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:56:54,286 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:56:54,286 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:56:54,286 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:56:54,286 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:56:54,286 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:56:54,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:56:54,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:56:54,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:56:54,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:56:54,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:56:54,287 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:56:54,287 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:56:54,287 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:56:54,287 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_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b 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 -> 02d2a7ecaeb1f9a3fd2c207ee063800bfd7475435ba7bc7e95648b1704092bfe [2024-12-05 23:56:54,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:56:54,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:56:54,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:56:54,529 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:56:54,529 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:56:54,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c [2024-12-05 23:56:57,214 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/data/d5c2059a7/e168e04f3304401f948d1ed5660e3c3d/FLAG48f411e51 [2024-12-05 23:56:57,378 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:56:57,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c [2024-12-05 23:56:57,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/data/d5c2059a7/e168e04f3304401f948d1ed5660e3c3d/FLAG48f411e51 [2024-12-05 23:56:57,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/data/d5c2059a7/e168e04f3304401f948d1ed5660e3c3d [2024-12-05 23:56:57,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:56:57,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:56:57,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:56:57,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:56:57,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:56:57,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:56:57" (1/1) ... [2024-12-05 23:56:57,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d143a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:57, skipping insertion in model container [2024-12-05 23:56:57,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:56:57" (1/1) ... [2024-12-05 23:56:57,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:56:57,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:56:57,571 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:56:57,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:56:57,613 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:56:57,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:57 WrapperNode [2024-12-05 23:56:57,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:56:57,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:56:57,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:56:57,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:56:57,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:57" (1/1) ... [2024-12-05 23:56:57,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:57" (1/1) ... [2024-12-05 23:56:57,650 INFO L138 Inliner]: procedures = 20, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 126 [2024-12-05 23:56:57,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:56:57,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:56:57,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:56:57,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:56:57,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:57" (1/1) ... [2024-12-05 23:56:57,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:57" (1/1) ... [2024-12-05 23:56:57,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:57" (1/1) ... [2024-12-05 23:56:57,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:57" (1/1) ... [2024-12-05 23:56:57,674 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:57" (1/1) ... [2024-12-05 23:56:57,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:57" (1/1) ... [2024-12-05 23:56:57,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:57" (1/1) ... [2024-12-05 23:56:57,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:57" (1/1) ... [2024-12-05 23:56:57,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:57" (1/1) ... [2024-12-05 23:56:57,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:56:57,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:56:57,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:56:57,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:56:57,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:57" (1/1) ... [2024-12-05 23:56:57,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:56:57,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:56:57,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:56:57,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:56:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:56:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:56:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 23:56:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-12-05 23:56:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-12-05 23:56:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:56:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:56:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-12-05 23:56:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:56:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:56:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-12-05 23:56:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_35_0 [2024-12-05 23:56:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_35_0 [2024-12-05 23:56:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:56:57,821 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:56:57,823 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:00:49,037 INFO L? ?]: Removed 368 outVars from TransFormulas that were not future-live. [2024-12-06 00:00:49,037 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:00:49,097 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:00:49,097 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:00:49,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:00:49 BoogieIcfgContainer [2024-12-06 00:00:49,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:00:49,099 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:00:49,099 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:00:49,109 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:00:49,109 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:00:49" (1/1) ... [2024-12-06 00:00:49,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:00:49,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:49,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 186 states and 190 transitions. [2024-12-06 00:00:49,173 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 190 transitions. [2024-12-06 00:00:49,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:00:49,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:49,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:49,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:49,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:49,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:00:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:49,480 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:49,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:00:49,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:49,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:00:49,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:00:50,246 INFO L349 Elim1Store]: treesize reduction 100, result has 23.7 percent of original size [2024-12-06 00:00:50,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 122 [2024-12-06 00:00:50,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 20 [2024-12-06 00:00:50,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:00:50,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 83 treesize of output 75 [2024-12-06 00:00:50,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 8 [2024-12-06 00:00:50,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 8 [2024-12-06 00:00:50,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 8 [2024-12-06 00:00:51,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 26 [2024-12-06 00:00:51,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 12 [2024-12-06 00:00:51,887 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:00:51,890 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2024-12-06 00:00:52,363 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:00:52,364 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 1 case distinctions, treesize of input 22 treesize of output 10 [2024-12-06 00:00:52,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:00:52,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:00:53,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:53,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 189 states and 194 transitions. [2024-12-06 00:00:53,512 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 194 transitions. [2024-12-06 00:00:53,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:00:53,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:53,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:53,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:53,515 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:53,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:00:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:53,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:53,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 00:00:53,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:53,979 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:00:54,340 INFO L349 Elim1Store]: treesize reduction 42, result has 35.4 percent of original size [2024-12-06 00:00:54,340 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 62 [2024-12-06 00:00:54,495 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:00:54,496 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 189 treesize of output 193 [2024-12-06 00:00:54,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:00:54,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:00:55,124 INFO L349 Elim1Store]: treesize reduction 118, result has 24.8 percent of original size [2024-12-06 00:00:55,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 137 [2024-12-06 00:00:55,901 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:00:55,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 17 [2024-12-06 00:00:56,112 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:00:56,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 17 [2024-12-06 00:00:56,243 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:00:56,403 INFO L349 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2024-12-06 00:00:56,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 56 [2024-12-06 00:00:56,623 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 00:00:56,657 INFO L349 Elim1Store]: treesize reduction 43, result has 2.3 percent of original size [2024-12-06 00:00:56,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 20 treesize of output 21 [2024-12-06 00:00:56,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:00:56,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 24 [2024-12-06 00:00:57,019 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:00:57,020 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2024-12-06 00:00:58,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2024-12-06 00:00:58,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:00:58,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:01:02,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:01:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 193 states and 201 transitions. [2024-12-06 00:01:02,568 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 201 transitions. [2024-12-06 00:01:02,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:01:02,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:01:02,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:01:02,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:01:02,570 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:01:02,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca78458-05bb-48bb-b654-e9c69ef3ec78/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process