./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d94a3da3db9550646108ab2896efbec5cb4c1aaac9b3aa0cc18eed94f30dde4d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:54:43,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:54:43,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:54:43,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:54:43,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:54:43,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:54:43,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:54:43,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:54:43,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:54:43,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:54:43,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:54:43,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:54:43,325 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:54:43,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:54:43,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:54:43,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:54:43,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:54:43,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:54:43,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:54:43,326 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:54:43,326 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:54:43,326 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:54:43,326 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:54:43,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:54:43,326 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:54:43,326 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:54:43,327 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:54:43,327 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:54:43,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:54:43,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:54:43,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:54:43,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:54:43,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:54:43,327 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:54:43,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:54:43,327 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_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d94a3da3db9550646108ab2896efbec5cb4c1aaac9b3aa0cc18eed94f30dde4d [2024-11-13 21:54:43,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:54:43,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:54:43,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:54:43,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:54:43,671 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:54:43,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3.c Unable to find full path for "g++" [2024-11-13 21:54:45,568 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:54:45,850 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:54:45,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3.c [2024-11-13 21:54:45,859 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/data/f5e54ed41/2745f5abfa1846878b21a514d0e2df47/FLAG4f7f9c429 [2024-11-13 21:54:45,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/data/f5e54ed41/2745f5abfa1846878b21a514d0e2df47 [2024-11-13 21:54:45,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:54:45,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:54:45,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:54:45,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:54:45,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:54:45,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:54:45" (1/1) ... [2024-11-13 21:54:45,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe44cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:45, skipping insertion in model container [2024-11-13 21:54:45,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:54:45" (1/1) ... [2024-11-13 21:54:45,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:54:46,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:54:46,129 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:54:46,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:54:46,166 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:54:46,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:46 WrapperNode [2024-11-13 21:54:46,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:54:46,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:54:46,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:54:46,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:54:46,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:46" (1/1) ... [2024-11-13 21:54:46,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:46" (1/1) ... [2024-11-13 21:54:46,204 INFO L138 Inliner]: procedures = 16, calls = 58, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2024-11-13 21:54:46,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:54:46,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:54:46,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:54:46,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:54:46,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:46" (1/1) ... [2024-11-13 21:54:46,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:46" (1/1) ... [2024-11-13 21:54:46,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:46" (1/1) ... [2024-11-13 21:54:46,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:46" (1/1) ... [2024-11-13 21:54:46,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:46" (1/1) ... [2024-11-13 21:54:46,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:46" (1/1) ... [2024-11-13 21:54:46,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:46" (1/1) ... [2024-11-13 21:54:46,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:46" (1/1) ... [2024-11-13 21:54:46,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:54:46,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:54:46,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:54:46,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:54:46,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:46" (1/1) ... [2024-11-13 21:54:46,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:54:46,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:54:46,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:54:46,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:54:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:54:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_25_to_33_0 [2024-11-13 21:54:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_25_to_33_0 [2024-11-13 21:54:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:54:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:54:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:54:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:54:46,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:54:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:54:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:54:46,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:54:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:54:46,431 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:54:46,433 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:54:47,150 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-11-13 21:54:47,151 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:54:47,211 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:54:47,212 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:54:47,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:54:47 BoogieIcfgContainer [2024-11-13 21:54:47,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:54:47,213 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:54:47,213 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:54:47,224 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:54:47,225 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:54:47" (1/1) ... [2024-11-13 21:54:47,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:54:47,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:47,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 104 states and 107 transitions. [2024-11-13 21:54:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 107 transitions. [2024-11-13 21:54:47,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:54:47,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:47,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:47,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:48,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:48,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 107 states and 110 transitions. [2024-11-13 21:54:48,126 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 110 transitions. [2024-11-13 21:54:48,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:54:48,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:48,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:48,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:48,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:48,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 108 states and 111 transitions. [2024-11-13 21:54:48,459 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 111 transitions. [2024-11-13 21:54:48,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:54:48,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:48,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:48,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:49,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:49,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 113 states and 118 transitions. [2024-11-13 21:54:49,829 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2024-11-13 21:54:49,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:54:49,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:49,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:50,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:50,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:50,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 114 states and 119 transitions. [2024-11-13 21:54:50,187 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 119 transitions. [2024-11-13 21:54:50,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:54:50,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:50,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:50,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 21:54:50,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:50,416 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-11-13 21:54:50,417 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 32 [2024-11-13 21:54:50,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:54:50,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:54:50,433 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 32 treesize of output 20 [2024-11-13 21:54:50,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:54:50,442 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 [2024-11-13 21:54:50,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:54:50,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:54:50,478 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 [2024-11-13 21:54:50,493 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:54:50,494 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:54:50,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:54:50,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:54:50,528 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 [2024-11-13 21:54:50,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:54:50,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:54:50,558 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 [2024-11-13 21:54:50,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:54:50,572 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 17 treesize of output 15 [2024-11-13 21:54:50,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:54:50,584 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 [2024-11-13 21:54:50,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:54:50,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:54:50,614 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 [2024-11-13 21:54:50,636 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:54:50,638 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2024-11-13 21:54:50,658 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:54:50,658 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:54:50,659 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:54:50,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:50,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:50,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 115 states and 120 transitions. [2024-11-13 21:54:50,801 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 120 transitions. [2024-11-13 21:54:50,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:54:50,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:50,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:50,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 21:54:50,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:50,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:54:50,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:54:50,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:54:51,469 INFO L349 Elim1Store]: treesize reduction 312, result has 29.7 percent of original size [2024-11-13 21:54:51,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 818 treesize of output 739 [2024-11-13 21:54:51,574 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 42 treesize of output 38 [2024-11-13 21:54:51,732 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 17 treesize of output 15 [2024-11-13 21:54:51,904 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:54:51,906 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2024-11-13 21:54:52,067 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:54:52,068 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2024-11-13 21:54:52,274 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:54:52,276 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2024-11-13 21:54:52,360 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:54:52,363 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2024-11-13 21:54:52,598 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:54:52,599 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2024-11-13 21:54:52,679 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:54:52,681 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2024-11-13 21:54:53,061 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:54:53,062 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2024-11-13 21:54:53,311 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:54:53,312 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2024-11-13 21:54:53,410 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:54:53,411 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2024-11-13 21:54:53,631 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:54:53,633 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2024-11-13 21:54:54,041 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:54:54,042 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2024-11-13 21:54:54,791 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:54:54,792 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2024-11-13 21:54:54,878 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 2279 treesize of output 2232 [2024-11-13 21:54:58,308 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 143 treesize of output 240 [2024-11-13 21:54:58,430 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 143 treesize of output 240 [2024-11-13 21:54:58,592 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 115 treesize of output 107 [2024-11-13 21:54:58,644 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 367 treesize of output 333 [2024-11-13 21:54:58,876 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) [2024-11-13 21:54:58,881 INFO L158 Benchmark]: Toolchain (without parser) took 12995.35ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 118.8MB in the beginning and 286.2MB in the end (delta: -167.4MB). Peak memory consumption was 249.6MB. Max. memory is 16.1GB. [2024-11-13 21:54:58,881 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:54:58,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.39ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.5MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:54:58,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.63ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:54:58,886 INFO L158 Benchmark]: Boogie Preprocessor took 40.20ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:54:58,887 INFO L158 Benchmark]: RCFGBuilder took 963.85ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 80.7MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:54:58,890 INFO L158 Benchmark]: CodeCheck took 11666.72ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 80.4MB in the beginning and 286.2MB in the end (delta: -205.8MB). Peak memory consumption was 216.0MB. Max. memory is 16.1GB. [2024-11-13 21:54:58,892 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 0.37ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.39ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.5MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.63ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.20ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 963.85ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 80.7MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 11666.72ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 80.4MB in the beginning and 286.2MB in the end (delta: -205.8MB). Peak memory consumption was 216.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:54:58,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d94a3da3db9550646108ab2896efbec5cb4c1aaac9b3aa0cc18eed94f30dde4d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:55:01,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:55:01,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-13 21:55:01,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:55:01,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:55:01,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:55:01,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:55:01,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:55:01,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:55:01,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:55:01,922 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:55:01,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:55:01,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:55:01,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:55:01,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:55:01,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:55:01,923 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:55:01,923 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:55:01,923 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:55:01,924 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:55:01,924 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:55:01,924 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:55:01,924 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:55:01,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:55:01,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:55:01,924 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:55:01,924 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:55:01,924 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:55:01,924 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:01,924 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:55:01,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:55:01,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:55:01,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:55:01,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:55:01,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:55:01,925 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:55:01,925 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:01,925 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:55:01,925 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_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d94a3da3db9550646108ab2896efbec5cb4c1aaac9b3aa0cc18eed94f30dde4d [2024-11-13 21:55:02,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:55:02,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:55:02,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:55:02,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:55:02,272 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:55:02,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3.c Unable to find full path for "g++" [2024-11-13 21:55:04,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:55:04,294 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:55:04,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3.c [2024-11-13 21:55:04,311 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/data/90932b18a/cc82660d5eb34062b4d54328435360d4/FLAGb97871e68 [2024-11-13 21:55:04,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/data/90932b18a/cc82660d5eb34062b4d54328435360d4 [2024-11-13 21:55:04,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:55:04,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:55:04,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:55:04,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:55:04,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:55:04,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:55:04" (1/1) ... [2024-11-13 21:55:04,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a8f6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:04, skipping insertion in model container [2024-11-13 21:55:04,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:55:04" (1/1) ... [2024-11-13 21:55:04,394 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:55:04,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:55:04,626 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:55:04,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:55:04,686 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:55:04,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:04 WrapperNode [2024-11-13 21:55:04,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:55:04,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:55:04,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:55:04,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:55:04,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:04" (1/1) ... [2024-11-13 21:55:04,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:04" (1/1) ... [2024-11-13 21:55:04,740 INFO L138 Inliner]: procedures = 18, calls = 58, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2024-11-13 21:55:04,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:55:04,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:55:04,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:55:04,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:55:04,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:04" (1/1) ... [2024-11-13 21:55:04,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:04" (1/1) ... [2024-11-13 21:55:04,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:04" (1/1) ... [2024-11-13 21:55:04,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:04" (1/1) ... [2024-11-13 21:55:04,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:04" (1/1) ... [2024-11-13 21:55:04,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:04" (1/1) ... [2024-11-13 21:55:04,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:04" (1/1) ... [2024-11-13 21:55:04,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:04" (1/1) ... [2024-11-13 21:55:04,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:55:04,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:55:04,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:55:04,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:55:04,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:04" (1/1) ... [2024-11-13 21:55:04,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:55:04,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:55:04,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:55:04,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:55:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:55:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_25_to_33_0 [2024-11-13 21:55:04,873 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_25_to_33_0 [2024-11-13 21:55:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:55:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:55:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:55:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:55:04,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:55:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:55:04,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:55:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:55:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:55:04,989 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:55:04,991 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:55:08,644 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-11-13 21:55:08,644 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:55:08,684 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:55:08,684 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:55:08,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:55:08 BoogieIcfgContainer [2024-11-13 21:55:08,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:55:08,685 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:55:08,686 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:55:08,697 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:55:08,697 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:55:08" (1/1) ... [2024-11-13 21:55:08,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:55:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:08,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 104 states and 107 transitions. [2024-11-13 21:55:08,777 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 107 transitions. [2024-11-13 21:55:08,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:55:08,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:08,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:08,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:08,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:08,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:55:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:09,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:09,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:55:09,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:09,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:10,130 INFO L349 Elim1Store]: treesize reduction 216, result has 27.5 percent of original size [2024-11-13 21:55:10,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 234 treesize of output 290 [2024-11-13 21:55:10,225 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 [2024-11-13 21:55:10,324 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 358 treesize of output 342 [2024-11-13 21:55:10,534 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 [2024-11-13 21:55:10,629 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 [2024-11-13 21:55:10,919 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 [2024-11-13 21:55:10,980 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 [2024-11-13 21:55:11,053 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 [2024-11-13 21:55:11,711 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:11,759 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:11,764 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:11,833 INFO L349 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2024-11-13 21:55:11,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 131 treesize of output 104 [2024-11-13 21:55:11,885 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 [2024-11-13 21:55:12,144 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:12,179 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:12,187 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:12,292 INFO L349 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2024-11-13 21:55:12,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 153 treesize of output 134 [2024-11-13 21:55:12,739 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 [2024-11-13 21:55:12,777 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 [2024-11-13 21:55:12,817 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 [2024-11-13 21:55:13,641 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:55:13,646 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2024-11-13 21:55:13,683 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:55:13,684 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2024-11-13 21:55:13,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:13,728 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 39 treesize of output 29 [2024-11-13 21:55:13,736 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 [2024-11-13 21:55:13,756 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 [2024-11-13 21:55:13,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:13,847 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:55:13,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:55:14,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 107 states and 110 transitions. [2024-11-13 21:55:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 110 transitions. [2024-11-13 21:55:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:55:14,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:14,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:14,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:14,105 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:14,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:55:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:14,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:14,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:55:14,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:14,361 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-13 21:55:14,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-13 21:55:14,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,410 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 [2024-11-13 21:55:14,419 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 [2024-11-13 21:55:14,434 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 14 treesize of output 17 [2024-11-13 21:55:14,436 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-13 21:55:14,448 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 14 treesize of output 17 [2024-11-13 21:55:14,450 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-13 21:55:14,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,471 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 27 treesize of output 35 [2024-11-13 21:55:14,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 17 [2024-11-13 21:55:14,495 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:55:14,495 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2024-11-13 21:55:14,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 21:55:14,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,518 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 [2024-11-13 21:55:14,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,543 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 32 treesize of output 40 [2024-11-13 21:55:14,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,574 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 [2024-11-13 21:55:14,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,602 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 [2024-11-13 21:55:14,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,616 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 0 case distinctions, treesize of input 16 treesize of output 16 [2024-11-13 21:55:14,621 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:14,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,653 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 34 treesize of output 42 [2024-11-13 21:55:14,663 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:14,664 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:14,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,687 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 8 [2024-11-13 21:55:14,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,697 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 [2024-11-13 21:55:14,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,708 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 [2024-11-13 21:55:14,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,739 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 39 treesize of output 47 [2024-11-13 21:55:14,750 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:14,751 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:14,752 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:14,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:14,776 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 34 treesize of output 42 [2024-11-13 21:55:14,782 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:14,783 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:14,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:14,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:55:14,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:14,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 108 states and 111 transitions. [2024-11-13 21:55:14,838 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 111 transitions. [2024-11-13 21:55:14,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:55:14,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:14,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:14,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:14,840 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:14,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:55:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:15,042 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:15,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 21:55:15,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:15,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:15,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:15,110 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 [2024-11-13 21:55:15,117 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:55:15,118 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2024-11-13 21:55:15,129 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 [2024-11-13 21:55:15,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:15,153 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 17 treesize of output 15 [2024-11-13 21:55:15,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:15,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:15,208 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 [2024-11-13 21:55:15,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:15,241 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 17 treesize of output 15 [2024-11-13 21:55:15,246 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:55:15,247 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2024-11-13 21:55:15,257 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 [2024-11-13 21:55:15,336 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-11-13 21:55:15,336 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 32 [2024-11-13 21:55:15,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:15,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:15,350 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 32 treesize of output 20 [2024-11-13 21:55:15,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:15,371 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 [2024-11-13 21:55:15,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:15,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:15,415 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 [2024-11-13 21:55:15,426 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:55:15,427 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2024-11-13 21:55:15,433 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:15,434 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:15,435 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:15,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:15,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:55:16,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:16,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 113 states and 118 transitions. [2024-11-13 21:55:16,982 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2024-11-13 21:55:16,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:55:16,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:16,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:16,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:16,986 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:16,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:55:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:17,163 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:17,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:55:17,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:17,234 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-13 21:55:17,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-13 21:55:17,270 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 10 treesize of output 8 [2024-11-13 21:55:17,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 15 [2024-11-13 21:55:17,303 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 10 treesize of output 8 [2024-11-13 21:55:17,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 15 [2024-11-13 21:55:17,343 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 10 treesize of output 8 [2024-11-13 21:55:17,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 15 [2024-11-13 21:55:17,400 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 10 treesize of output 8 [2024-11-13 21:55:17,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,513 INFO L349 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2024-11-13 21:55:17,513 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 57 treesize of output 73 [2024-11-13 21:55:17,522 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:55:17,523 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2024-11-13 21:55:17,526 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-13 21:55:17,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,548 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 40 treesize of output 23 [2024-11-13 21:55:17,569 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:55:17,569 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 15 treesize of output 19 [2024-11-13 21:55:17,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-13 21:55:17,611 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 [2024-11-13 21:55:17,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-13 21:55:17,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,649 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 5 treesize of output 3 [2024-11-13 21:55:17,690 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-13 21:55:17,690 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 25 [2024-11-13 21:55:17,716 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:55:17,716 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 15 treesize of output 19 [2024-11-13 21:55:17,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,798 INFO L349 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2024-11-13 21:55:17,798 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 2 case distinctions, treesize of input 82 treesize of output 1 [2024-11-13 21:55:17,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,810 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 28 treesize of output 43 [2024-11-13 21:55:17,821 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-13 21:55:17,825 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:55:17,826 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2024-11-13 21:55:17,832 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-13 21:55:17,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,847 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 28 treesize of output 43 [2024-11-13 21:55:17,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 17 [2024-11-13 21:55:17,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,868 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 [2024-11-13 21:55:17,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 17 [2024-11-13 21:55:17,904 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 15 treesize of output 7 [2024-11-13 21:55:17,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,928 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 [2024-11-13 21:55:17,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,977 INFO L349 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2024-11-13 21:55:17,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 1 [2024-11-13 21:55:17,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:17,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 57 [2024-11-13 21:55:18,007 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:18,008 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:18,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:18,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:18,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:18,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 50 [2024-11-13 21:55:18,037 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:18,038 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:55:18,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:18,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:18,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:18,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:18,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:55:18,118 INFO L349 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2024-11-13 21:55:18,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 1 [2024-11-13 21:55:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:18,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:55:20,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 118 states and 124 transitions. [2024-11-13 21:55:20,293 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2024-11-13 21:55:20,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:55:20,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:20,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:20,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:20,299 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:20,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171f2859-f49e-42cc-9c98-bbc2f397c961/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process